2017届高考英语一轮复习技能提升练：选修7 Unit 3《Under the sea》（新人教版含解析）
<p> 选修七 <span word="Unit">Unit</span> 3 高考提能练</p><p> 阅读理解·组块专练——练速度</p><p> (限时：35分钟)</p><p> Ⅰ.阅读理解</p><p> <span word="A">A</span></p><p> (2016·太原市第二学段测评)<span word="Companies">Companies</span> <span word="can">can</span> <span word="save">save</span> <span word="millions">millions</span> <span word="in">in</span> <span word="health">health</span><span word="care">care</span> <span word="costs">costs</span> <span word="simply">simply</span> <span word="by">by</span> <span word="encouraging">encouraging</span> <span word="their">their</span> <span word="employees">employees</span> <span word="to">to</span> <span word="exercise">exercise</span> <span word="a">a</span> <span word="little">little</span> <span word="bit">bit</span>.<span word="Researchers">Researchers</span> <span word="report">report</span> <span word="that">that</span> <span word="obese">obese</span> <span word="employees">employees</span> <span word="have">have</span> <span word="higher">higher</span> <span word="health">health</span><span word="care">care</span> <span word="costs">costs</span>, <span word="but">but</span> <span word="they">they</span> <span word="can">can</span> <span word="lower">lower</span> <span word="those">those</span> <span word="expenses">expenses</span> <span word="by">by</span></p><p> <span word="exercising">exercising</span> <span word="just">just</span> <span word="a">a</span> <span word="couple">couple</span> <span word="of">of</span> <span word="times">times</span> <span word="a">a</span> <span word="week">week</span> — <span word="without">without</span> <span word="even">even</span> <span word="losing">losing</span> <span word="any">any</span> <span word="weight">weight</span>.</p><p> <span word="Feifei">Feifei</span> <span word="Wang">Wang</span> <span word="and">and</span> <span word="his">his</span> <span word="colleagues">colleagues</span> <span word="at">at</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="Michigan">Michigan</span> <span word="studied">studied</span> 23,500 <span word="workers">workers</span> <span word="at">at</span> <span word="General">General</span> <span word="Motors">Motors</span>.<span word="They">They</span> <span word="estimated">estimated</span> <span word="that">that</span> <span word="getting">getting</span> <span word="the">the</span> <span word="most">most</span> <span word="obese">obese</span> <span word="workers">workers</span> <span word="to">to</span> <span word="exercise">exercise</span> <span word="would">would</span> <span word="have">have</span> <span word="saved">saved</span> <span word="about">about</span> $790,000 <span word="a">a</span> <span word="year">year</span>, <span word="or">or</span> <span word="about">about</span> 1.5 <span word="percent">percent</span> <span word="of">of</span> <span word="health">health</span><span word="care">care</span> <span word="costs">costs</span> <span word="for">for</span> <span word="the">the</span> <span word="whole">whole</span> <span word="group">group</span>.<span word="Company">Company</span><span word="wide">wide</span>, <span word="the">the</span> <span word="potential">potential</span> <span word="savings">savings</span> <span word="could">could</span> <span word="reach">reach</span> $7.1 <span word="million">million</span> <span word="per">per</span> <span word="year">year</span>, <span word="according">according</span> <span word="to">to</span> <span word="their">their</span> <span word="report">report</span> <span word="published">published</span> <span word="in">in</span> <span word="Journal">Journal</span> <span word="of">of</span> <span word="Occupational">Occupational</span> <span word="and">and</span> <span word="Environmental">Environmental</span> <span word="Medicine">Medicine</span>.</p><p> <span word="Of">Of</span> <span word="the">the</span> <span word="whole">whole</span> <span word="group">group</span> <span word="of">of</span> <span word="workers">workers</span>, <span word="about">about</span> 30 <span word="percent">percent</span> <span word="were">were</span> <span word="of">of</span> <span word="normal">normal</span> <span word="weight">weight</span>, 45 <span word="percent">percent</span> <span word="were">were</span> <span word="overweight">overweight</span>, <span word="and">and</span> 25 <span word="percent">percent</span> <span word="were">were</span> <span word="obese">obese</span>. <span word="Annual">Annual</span> <span word="health">health</span><span word="care">care</span> <span word="costs">costs</span> <span word="averaged">averaged</span> $2,200 <span word="for">for</span> <span word="normal">normal</span> <span word="weight">weight</span>, $2,400 <span word="for">for</span> <span word="the">the</span> <span word="overweight">overweight</span>, <span word="and">and</span> $2,700 <span word="for">for</span> <span word="obese">obese</span> <span word="employees">employees</span>. <span word="But">But</span> <span word="among">among</span> <span word="workers">workers</span> <span word="who">who</span> <span word="did">did</span> <span word="no">no</span> <span word="exercise">exercise</span>, <span word="health">health</span><span word="care">care</span> <span word="costs">costs</span> <span word="went">went</span> <span word="up">up</span> <span word="by">by</span> <span word="at">at</span> <span word="least">least</span> $100 <span word="a">a</span> <span word="year">year</span>, <span word="and">and</span> <span word="were">were</span> $3,000</p><p> <span word="a">a</span> <span word="year">year</span> <span word="for">for</span> <span word="obese">obese</span> <span word="employees">employees</span> <span word="who">who</span> <span word="were">were</span> <span word="sedentary">sedentary</span> (久坐的)．</p><p> <span word="But">But</span> <span word="adding">adding</span> <span word="two">two</span> <span word="or">or</span> <span word="more">more</span> <span word="days">days</span> <span word="of">of</span> <span word="light">light</span> <span word="exercise">exercise</span> — <span word="at">at</span> <span word="least">least</span> 20 <span word="minutes">minutes</span> <span word="of">of</span> <span word="exercise">exercise</span> <span word="or">or</span> <span word="work">work</span> <span word="hard">hard</span> <span word="enough">enough</span> <span word="to">to</span> <span word="increase">increase</span> <span word="heart">heart</span> <span word="rate">rate</span> <span word="and">and</span> <span word="breathing">breathing</span> — <span word="lowered">lowered</span> <span word="costs">costs</span> <span word="by">by</span> <span word="on">on</span> <span word="average">average</span> $500 <span word="per">per</span> <span word="employee">employee</span> <span word="a">a</span> <span word="year">year</span>, <span word="the">the</span> <span word="researchers">researchers</span> <span word="found">found</span>. “<span word="This">This</span> <span word="indicates">indicates</span> <span word="that">that</span> <span word="physical">physical</span> <span word="activity">activity</span> <span word="behavior">behavior</span> <span word="could">could</span> <span word="lessen">lessen</span> <span word="at">at</span> <span word="least">least</span> <span word="some">some</span> <span word="of">of</span> <span word="the">the</span> <span word="negative">negative</span> <span word="effects">effects</span> <span word="of">of</span> <span word="excess">excess</span> <span word="body">body</span> <span word="fat">fat</span>, <span word="and">and</span> <span word="in">in</span> <span word="consequence">consequence</span>, <span word="help">help</span> <span word="lower">lower</span> <span word="the">the</span> <span word="increasing">increasing</span> <span word="health">health</span><span word="care">care</span> <span word="costs">costs</span>，” <span word="Wang">Wang</span> <span word="and">and</span> <span word="his">his</span> <span word="colleagues">colleagues</span> <span word="wrote">wrote</span>.</p>
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