高二英语作文精彩范文600字：An easy but difficult choice
<p> <span word="An">An</span> <span word="easy">easy</span> <span word="but">but</span> <span word="difficult">difficult</span> <span word="choice">choice</span></p><p> <span word="Along">Along</span> <span word="with">with</span> <span word="the">the</span> <span word="rapid">rapid</span> <span word="step">step</span> <span word="of">of</span> <span word="science">science</span> <span word="development">development</span>, <span word="men">men</span> <span word="have">have</span> <span word="got">got</span> <span word="more">more</span> <span word="and">and</span> <span word="more">more</span> <span word="achievements">achievements</span>. <span word="Especially">Especially</span> <span word="in">in</span> <span word="biological">biological</span> <span word="field">field</span>, <span word="scientists">scientists</span> <span word="are">are</span> <span word="creating">creating</span> <span word="miracles">miracles</span> <span word="every">every</span> <span word="minute">minute</span>. <span word="In">In</span> <span word="recent">recent</span> <span word="years">years</span>, <span word="they">they</span> <span word="are">are</span> <span word="decoded">decoded</span> <span word="the">the</span> <span word="gene">gene</span> <span word="code">code</span> <span word="of">of</span> <span word="human">human</span> <span word="being">being</span>. <span word="People">People</span> <span word="all">all</span> <span word="over">over</span> <span word="the">the</span> <span word="world">world</span> <span word="are">are</span> <span word="astonished">astonished</span> <span word="and">and</span> <span word="excited">excited</span>. <span word="However">However</span>, <span word="at">at</span> <span word="the">the</span> <span word="same">same</span> <span word="time">time</span>, <span word="it">it</span> <span word="evokes">evokes</span> <span word="many">many</span> <span word="things">things</span> <span word="which">which</span> <span word="we">we</span> <span word="should">should</span> <span word="and">and</span> <span word="must">must</span> <span word="think">think</span> <span word="carefully">carefully</span>.</p><p> <span word="Whats">Whats</span> <span word="gene">gene</span>? <span word="I">I</span> <span word="think">think</span> <span word="we">we</span> <span word="should">should</span> <span word="know">know</span> <span word="sometimes">sometimes</span> <span word="about">about</span> <span word="DNA">DNA</span> <span word="first">first</span>. <span word="DNA">DNA</span> <span word="is">is</span> <span word="short">short</span> <span word="for">for</span> <span word="deoxyribonucleic">deoxyribonucleic</span> <span word="nucleic">nucleic</span> <span word="acid">acid</span>. <span word="Its">Its</span> <span word="the">the</span> <span word="most">most</span> <span word="important">important</span> <span word="heredity">heredity</span> <span word="substance">substance</span> <span word="in">in</span> <span word="our">our</span> <span word="bodies">bodies</span>, <span word="which">which</span> <span word="almost">almost</span> <span word="decides">decides</span> <span word="all">all</span> <span word="the">the</span> <span word="shape">shape</span> <span word="and">and</span> <span word="properties">properties</span>. <span word="On">On</span> <span word="it">it</span> <span word="are">are</span> <span word="there">there</span> <span word="thousands">thousands</span> <span word="of">of</span> <span word="genes">genes</span> <span word="arranged">arranged</span> <span word="in">in</span> <span word="sequence">sequence</span>. <span word="Each">Each</span> <span word="of">of</span> <span word="them">them</span> <span word="carries">carries</span> <span word="a">a</span> <span word="genetic">genetic</span> <span word="message">message</span> <span word="that">that</span> <span word="decides">decides</span> <span word="your">your</span> <span word="appearance">appearance</span>, <span word="intelligence">intelligence</span> <span word="or">or</span> <span word="any">any</span> <span word="other">other</span> <span word="character">character</span>. <span word="So">So</span> <span word="theres">theres</span> <span word="no">no</span> <span word="doubt">doubt</span> <span word="that">that</span> <span word="decoding">decoding</span> <span word="the">the</span> <span word="gene">gene</span> <span word="code">code</span> <span word="will">will</span> <span word="do">do</span> <span word="an">an</span> <span word="great">great</span> <span word="effect">effect</span> <span word="on">on</span> <span word="us">us</span> <span word="and">and</span> <span word="has">has</span> <span word="a">a</span> <span word="profound">profound</span> <span word="and">and</span> <span word="far">far</span>-<span word="reaching">reaching</span> <span word="meaning">meaning</span>.</p><p> <span word="This">This</span> <span word="scientific">scientific</span> <span word="fruit">fruit</span> <span word="would">would</span> <span word="absolutely">absolutely</span> <span word="bring">bring</span> <span word="some">some</span> <span word="advantages">advantages</span>. <span word="If">If</span> <span word="it">it</span> <span word="was">was</span> <span word="in">in</span> <span word="use">use</span>, <span word="agriculture">agriculture</span> <span word="would">would</span> <span word="benefit">benefit</span> <span word="from">from</span> <span word="it">it</span> <span word="a">a</span> <span word="lot">lot</span>. <span word="The">The</span> <span word="output">output</span> <span word="of">of</span> <span word="crop">crop</span> <span word="would">would</span> <span word="increase">increase</span>. <span word="They">They</span> <span word="could">could</span> <span word="resist">resist</span> <span word="all">all</span> <span word="kinds">kinds</span> <span word="of">of</span> <span word="diseases">diseases</span> <span word="and">and</span> <span word="have">have</span> <span word="a">a</span> <span word="strong">strong</span> <span word="ability">ability</span> <span word="of">of</span> <span word="disaster">disaster</span>-<span word="proteeting">proteeting</span>. <span word="Animals">Animals</span> <span word="may">may</span> <span word="be">be</span> <span word="safe">safe</span> <span word="because">because</span> <span word="scientists">scientists</span> <span word="can">can</span> <span word="continue">continue</span> <span word="a">a</span> <span word="plant">plant</span> <span word="by">by</span> <span word="genetic">genetic</span> <span word="optimization">optimization</span> <span word="or">or</span> <span word="cloning">cloning</span> <span word="when">when</span> <span word="it">it</span> <span word="is">is</span> <span word="in">in</span> <span word="danger">danger</span>. <span word="For">For</span> <span word="humans">humans</span>, <span word="it">it</span> <span word="will">will</span> <span word="contribute">contribute</span> <span word="to">to</span> <span word="medicine">medicine</span>. <span word="Hereditary">Hereditary</span> <span word="diseases">diseases</span> <span word="reduces">reduces</span> <span word="a">a</span> <span word="lot">lot</span>. <span word="Many">Many</span> <span word="incurable">incurable</span> <span word="diseases">diseases</span> <span word="can">can</span> <span word="be">be</span> <span word="treated">treated</span>. <span word="We">We</span> <span word="will">will</span> <span word="enjoy">enjoy</span> <span word="our">our</span> <span word="lives">lives</span> <span word="without">without</span> <span word="pain">pain</span>.</p>
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