英语六级考试冲刺练习阅读篇25
<p> <span word="Who">Who</span> <span word="Knows">Knows</span> <span word="Since">Since</span> <span word="no">no</span> <span word="one">one</span> <span word="knows">knows</span> <span word="what">what</span> <span word="scientific">scientific</span> <span word="discoveries">discoveries</span> <span word="will">will</span> <span word="be">be</span> <span word="made">made</span> <span word="between">between</span> <span word="now">now</span> <span word="and">and</span> <span word="the">the</span> <span word="year">year</span> <span word="A">A</span>. <span word="D">D</span>. 2000, <span word="each">each</span> <span word="of">of</span> <span word="us">us</span> <span word="can">can</span> <span word="make">make</span> <span word="his">his</span> <span word="own">own</span> <span word="predictions">predictions</span>. <span word="Our">Our</span> <span word="prophecies">prophecies</span> <span word="need">need</span> <span word="not">not</span> <span word="be">be</span> <span word="completely">completely</span> <span word="wild">wild</span> <span word="guesses">guesses</span>. <span word="We">We</span> <span word="know">know</span> <span word="science">science</span> <span word="has">has</span> <span word="moved">moved</span> <span word="forward">forward</span> <span word="rapidly">rapidly</span> <span word="in">in</span> <span word="the">the</span> <span word="past">past</span> 50 <span word="years">years</span> <span word="and">and</span> <span word="will">will</span> <span word="continue">continue</span> <span word="to">to</span> <span word="do">do</span> <span word="so">so</span>. <span word="If">If</span> <span word="we">we</span> <span word="allow">allow</span> <span word="our">our</span> <span word="imaginations">imaginations</span> <span word="to">to</span> <span word="be">be</span> <span word="guided">guided</span> <span word="by">by</span> <span word="known">known</span> <span word="research">research</span>, <span word="our">our</span> <span word="prophecies">prophecies</span> <span word="need">need</span> <span word="not">not</span> <span word="be">be</span> <span word="sheer">sheer</span> <span word="fantasy">fantasy</span>. <span word="We">We</span> <span word="dont">dont</span> <span word="have">have</span> <span word="to">to</span> <span word="go">go</span> <span word="so">so</span> <span word="far">far</span> <span word="as">as</span> <span word="to">to</span> <span word="predict">predict</span> <span word="that">that</span> <span word="there">there</span> <span word="will">will</span> <span word="be">be</span> <span word="invasion">invasion</span> <span word="by">by</span> <span word="men">men</span> <span word="from">from</span> <span word="Mars">Mars</span>, <span word="or">or</span> <span word="that">that</span> <span word="all">all</span> <span word="food">food</span> <span word="and">and</span> <span word="nourishment">nourishment</span> <span word="will">will</span> <span word="be">be</span> <span word="taken">taken</span> <span word="in">in</span> <span word="capsule">capsule</span> <span word="form">form</span>, <span word="or">or</span> <span word="that">that</span> <span word="mechanical">mechanical</span> <span word="men">men</span> <span word="will">will</span> <span word="roam">roam</span> <span word="the">the</span> <span word="world">world</span>. <span word="With">With</span> <span word="the">the</span> <span word="scientific">scientific</span> <span word="information">information</span> <span word="that">that</span> <span word="we">we</span> <span word="have">have</span> <span word="available">available</span> <span word="now">now</span>, <span word="lets">lets</span> <span word="make">make</span> <span word="an">an</span> <span word="estimate">estimate</span> <span word="of">of</span> <span word="progress">progress</span> <span word="in">in</span> <span word="air">air</span> <span word="travel">travel</span>. <span word="It">It</span> <span word="is">is</span> <span word="likely">likely</span> <span word="that">that</span> <span word="within">within</span> 50 <span word="years">years</span> <span word="we">we</span> <span word="shall">shall</span> <span word="travel">travel</span> <span word="through">through</span> <span word="the">the</span> <span word="air">air</span> <span word="at">at</span> <span word="a">a</span> <span word="speed">speed</span> <span word="of">of</span> 10,000 <span word="miles">miles</span> <span word="per">per</span> <span word="hour">hour</span>. <span word="Too">Too</span> <span word="fast">fast</span>? <span word="Not">Not</span> <span word="at">at</span> <span word="all">all</span>. <span word="Jet">Jet</span>-<span word="propelled">propelled</span> <span word="planes">planes</span> <span word="can">can</span> <span word="now">now</span> <span word="travel">travel</span> <span word="at">at</span> <span word="least">least</span> 1,000 <span word="miles">miles</span> <span word="an">an</span> <span word="hour">hour</span>, <span word="and">and</span> <span word="jet">jet</span> <span word="planes">planes</span> <span word="will">will</span> <span word="be">be</span> <span word="outmoded">outmoded</span> <span word="shortly">shortly</span> <span word="by">by</span> <span word="guided">guided</span> <span word="missiles">missiles</span>. <span word="The">The</span> <span word="X">X</span>-15 <span word="rockets">rockets</span> <span word="speed">speed</span> <span word="in">in</span> 1961 <span word="was">was</span> 3,690 <span word="miles">miles</span> <span word="per">per</span> <span word="hour">hour</span>, <span word="and">and</span> <span word="scientists">scientists</span> <span word="are">are</span> <span word="hoping">hoping</span> <span word="to">to</span> <span word="double">double</span> <span word="and">and</span> <span word="even">even</span> <span word="triple">triple</span> <span word="this">this</span> <span word="speed">speed</span>. <span word="They">They</span> <span word="will">will</span> <span word="accomplish">accomplish</span> <span word="this">this</span> <span word="speed">speed</span>-<span word="up">up</span>, <span word="because">because</span> <span word="there">there</span> <span word="is">is</span> <span word="no">no</span> <span word="apparent">apparent</span> <span word="scientific">scientific</span> <span word="obstacle">obstacle</span> <span word="to">to</span> <span word="prevent">prevent</span> <span word="it">it</span>. <span word="Some">Some</span> <span word="day">day</span>, <span word="certain">certain</span> <span word="aerodynamic">aerodynamic</span> <span word="problems">problems</span> <span word="will">will</span> <span word="be">be</span> <span word="overcome">overcome</span> <span word="and">and</span> <span word="missiles">missiles</span> <span word="will">will</span> <span word="be">be</span> <span word="enlarged">enlarged</span> <span word="to">to</span> <span word="carry">carry</span> <span word="at">at</span> <span word="least">least</span> 25 <span word="passengers">passengers</span>. <span word="When">When</span> <span word="scientists">scientists</span> <span word="have">have</span> <span word="solved">solved</span> <span word="all">all</span> <span word="the">the</span> <span word="problems">problems</span> <span word="of">of</span> <span word="constructing">constructing</span> <span word="and">and</span> <span word="increasing">increasing</span> <span word="the">the</span> <span word="speed">speed</span> <span word="of">of</span> <span word="apparatus">apparatus</span>-<span word="carrying">carrying</span> <span word="missiles">missiles</span>, <span word="their">their</span> <span word="skill">skill</span> <span word="will">will</span> <span word="lead">lead</span> <span word="them">them</span> <span word="to">to</span> <span word="the">the</span> <span word="next">next</span> <span word="stepmissiles">stepmissiles</span> <span word="for">for</span> <span word="interplanetary">interplanetary</span> <span word="flight">flight</span>. <span word="This">This</span> <span word="prediction">prediction</span> <span word="is">is</span> <span word="a">a</span> <span word="scientific">scientific</span> <span word="possibility">possibility</span> <span word="in">in</span> <span word="the">the</span> <span word="near">near</span> <span word="future">future</span>. <span word="Flights">Flights</span> <span word="into">into</span> <span word="outer">outer</span> <span word="space">space</span> <span word="began">began</span> <span word="when">when</span> <span word="Sputnik">Sputnik</span> <span word="I">I</span> <span word="was">was</span> <span word="launched">launched</span> <span word="in">in</span> 1957, <span word="and">and</span> <span word="man">man</span> <span word="first">first</span> <span word="went">went</span> <span word="into">into</span> <span word="space">space</span> <span word="in">in</span> 1961. <span word="During">During</span> <span word="the">the</span> <span word="late">late</span> 1950<span word="s">s</span> <span word="and">and</span> <span word="early">early</span> 1960<span word="s">s</span> <span word="many">many</span> <span word="satellitesman">satellitesman</span>-<span word="made">made</span> <span word="astral">astral</span> <span word="bodiesorbited">bodiesorbited</span> <span word="the">the</span> <span word="earth">earth</span> <span word="and">and</span> <span word="moon">moon</span>. <span word="Satellites">Satellites</span>, <span word="which">which</span> <span word="will">will</span> <span word="be">be</span> <span word="controlled">controlled</span> <span word="by">by</span> <span word="men">men</span> <span word="on">on</span> <span word="earth">earth</span>, <span word="may">may</span> <span word="have">have</span> <span word="many">many</span> <span word="beneficial">beneficial</span> <span word="uses">uses</span>. <span word="Perhaps">Perhaps</span> <span word="scientists">scientists</span> <span word="will">will</span> <span word="discover">discover</span> <span word="a">a</span> <span word="source">source</span> <span word="of">of</span> <span word="energy">energy</span> 100 <span word="miles">miles</span> <span word="above">above</span> <span word="the">the</span> <span word="earth">earth</span>. <span word="This">This</span> <span word="energy">energy</span> <span word="could">could</span> <span word="be">be</span> <span word="transmitted">transmitted</span> <span word="to">to</span> <span word="us">us</span> <span word="as">as</span> <span word="a">a</span> <span word="source">source</span> <span word="of">of</span> <span word="power">power</span> <span word="for">for</span> <span word="manufacturing">manufacturing</span> <span word="plants">plants</span> <span word="or">or</span> <span word="even">even</span> <span word="for">for</span> <span word="our">our</span> <span word="cook">cook</span> <span word="stoves">stoves</span>. <span word="Or">Or</span> <span word="one">one</span> <span word="of">of</span> <span word="these">these</span> <span word="missiles">missiles</span> <span word="might">might</span> <span word="serve">serve</span> <span word="as">as</span> <span word="the">the</span> <span word="medium">medium</span> <span word="for">for</span> <span word="transmitting">transmitting</span> <span word="communications">communications</span> <span word="across">across</span> <span word="the">the</span> <span word="globe">globe</span>. <span word="Telephonic">Telephonic</span> <span word="communications">communications</span> <span word="might">might</span> <span word="be">be</span> <span word="carried">carried</span> <span word="on">on</span> <span word="by">by</span> <span word="beaming">beaming</span> <span word="waves">waves</span> <span word="at">at</span> <span word="the">the</span> <span word="missile">missile</span>, <span word="which">which</span> <span word="would">would</span> <span word="in">in</span> <span word="turn">turn</span> <span word="beam">beam</span> <span word="waves">waves</span> <span word="at">at</span> <span word="a">a</span> <span word="telephone">telephone</span> <span word="halfway">halfway</span> <span word="across">across</span> <span word="the">the</span> <span word="world">world</span>. <span word="The">The</span> <span word="missile">missile</span> <span word="might">might</span> <span word="be">be</span> <span word="the">the</span> <span word="telephonic">telephonic</span> <span word="connection">connection</span>, <span word="for">for</span> <span word="example">example</span>, <span word="between">between</span> <span word="you">you</span> <span word="in">in</span> <span word="New">New</span> <span word="York">York</span>, <span word="and">and</span> <span word="a">a</span> <span word="friend">friend</span> <span word="in">in</span> <span word="Bangkok">Bangkok</span>. <span word="Such">Such</span> <span word="a">a</span> <span word="satellite">satellite</span> <span word="might">might</span> <span word="also">also</span> <span word="be">be</span> <span word="used">used</span> <span word="as">as</span> <span word="the">the</span> <span word="transmitting">transmitting</span> <span word="medium">medium</span> <span word="for">for</span> <span word="interna">interna</span> <span word="tional">tional</span> <span word="television">television</span> <span word="broadcasts">broadcasts</span>. <span word="Programs">Programs</span> <span word="being">being</span> <span word="telecast">telecast</span> <span word="from">from</span> <span word="a">a</span> <span word="Paris">Paris</span> <span word="studio">studio</span> <span word="could">could</span> <span word="then">then</span> <span word="be">be</span> <span word="seen">seen</span> <span word="simultaneously">simultaneously</span> <span word="in">in</span> <span word="every">every</span> <span word="other">other</span> <span word="country">country</span>. <span word="This">This</span> <span word="immediate">immediate</span> <span word="international">international</span> <span word="transmission">transmission</span> <span word="will">will</span> <span word="surely">surely</span> <span word="be">be</span> <span word="a">a</span> <span word="development">development</span> <span word="before">before</span> <span word="the">the</span> <span word="turn">turn</span> <span word="of">of</span> <span word="a">a</span> <span word="new">new</span> <span word="century">century</span>. <span word="We">We</span> <span word="may">may</span> <span word="expect">expect</span> <span word="to">to</span> <span word="order">order</span> <span word="our">our</span> <span word="clothing">clothing</span>, <span word="groceries">groceries</span>,<span word="and">and</span> <span word="other">other</span> <span word="household">household</span> <span word="goods">goods</span> <span word="by">by</span> <span word="television">television</span>-<span word="phone">phone</span>. <span word="We">We</span> <span word="prophesy">prophesy</span> <span word="that">that</span> <span word="within">within</span> <span word="twenty">twenty</span> <span word="five">five</span> <span word="years">years</span>, <span word="our">our</span> <span word="telephones">telephones</span> <span word="will">will</span> <span word="be">be</span> <span word="equipped">equipped</span> <span word="with">with</span> <span word="television">television</span> <span word="screens">screens</span> <span word="so">so</span> <span word="that">that</span> <span word="we">we</span> <span word="can">can</span> <span word="see">see</span> <span word="the">the</span> <span word="person">person</span> <span word="at">at</span> <span word="the">the</span> <span word="other">other</span> <span word="end">end</span> <span word="of">of</span> <span word="the">the</span> <span word="line">line</span>. <span word="Other">Other</span> <span word="fields">fields</span> <span word="of">of</span> <span word="science">science</span> <span word="have">have</span> <span word="also">also</span> <span word="made">made</span> <span word="gigantic">gigantic</span> <span word="strides">strides</span> <span word="in">in</span> <span word="progress">progress</span>. <span word="Medicine">Medicine</span> <span word="had">had</span> <span word="operated">operated</span> <span word="so">so</span> <span word="efficiently">efficiently</span> <span word="in">in</span> <span word="the">the</span> <span word="past">past</span> <span word="half">half</span>-<span word="century">century</span> <span word="that">that</span> <span word="many">many</span> <span word="diseases">diseases</span> <span word="have">have</span> <span word="been">been</span> <span word="nearly">nearly</span> <span word="wiped">wiped</span> <span word="out">out</span>. <span word="And">And</span> <span word="more">more</span> <span word="will">will</span> <span word="join">join</span> <span word="this">this</span> <span word="disappearing">disappearing</span> <span word="group">group</span> <span word="of">of</span> <span word="diseases">diseases</span>. <span word="Diabetes">Diabetes</span> <span word="and">and</span> <span word="polio">polio</span> <span word="are">are</span> <span word="under">under</span> <span word="control">control</span>. <span word="We">We</span> <span word="can">can</span> <span word="hope">hope</span> <span word="and">and</span> <span word="expect">expect</span> <span word="that">that</span> <span word="cancer">cancer</span> <span word="will">will</span> <span word="be">be</span> <span word="conquered">conquered</span>. <span word="Certain">Certain</span> <span word="skin">skin</span> <span word="diseases">diseases</span>, <span word="like">like</span> <span word="psoriasis">psoriasis</span> <span word="and">and</span> <span word="eczema">eczema</span>, <span word="which">which</span> <span word="are">are</span> <span word="exceedingly">exceedingly</span> <span word="common">common</span> <span word="though">though</span> <span word="not">not</span> <span word="fatal">fatal</span>, <span word="will">will</span> <span word="be">be</span> <span word="eradicated">eradicated</span>. <span word="The">The</span> <span word="victims">victims</span> <span word="of">of</span> <span word="annoying">annoying</span> <span word="diseases">diseases</span> <span word="will">will</span> <span word="lead">lead</span> <span word="pleasanter">pleasanter</span> <span word="lives">lives</span>. <span word="Even">Even</span> <span word="the">the</span> <span word="healthy">healthy</span> <span word="will">will</span> <span word="benefit">benefit</span> <span word="from">from</span> <span word="the">the</span> <span word="advances">advances</span> <span word="in">in</span> <span word="medicine">medicine</span>. <span word="Life">Life</span> <span word="expectancy">expectancy</span> <span word="already">already</span> <span word="had">had</span> <span word="been">been</span> <span word="lengthened">lengthened</span> <span word="and">and</span> <span word="scientists">scientists</span> <span word="know">know</span> <span word="that">that</span> <span word="the">the</span> <span word="time">time</span> <span word="is">is</span> <span word="coining">coining</span> <span word="rapidly">rapidly</span> <span word="when">when</span> <span word="the">the</span> <span word="person">person</span> <span word="one">one</span> <span word="hundred">hundred</span> <span word="years">years</span> <span word="old">old</span> <span word="will">will</span> <span word="not">not</span> <span word="be">be</span> <span word="a">a</span> <span word="phenomenon">phenomenon</span>. </p>
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