高三英语作文 疾病控制
<p> <span word="There">There</span> <span word="are">are</span> <span word="two">two</span> <span word="main">main</span> <span word="causes">causes</span> <span word="of">of</span> <span word="cancer">cancer</span>: <span word="heredity">heredity</span> <span word="and">and</span> <span word="environment">environment</span>. <span word="We">We</span> <span word="can">can</span> <span word="do">do</span> <span word="nothing">nothing</span> <span word="to">to</span> <span word="change">change</span> <span word="our">our</span> <span word="heredity">heredity</span>, <span word="that">that</span> <span word="is">is</span>, <span word="the">the</span> <span word="basic">basic</span> <span word="physical">physical</span> <span word="characteristics">characteristics</span> <span word="that">that</span> <span word="were">were</span> <span word="passed">passed</span> <span word="on">on</span> <span word="to">to</span> <span word="us">us</span> <span word="by">by</span> <span word="our">our</span> <span word="parents">parents</span>. <span word="However">However</span>, <span word="we">we</span> <span word="can">can</span> <span word="do">do</span> <span word="a">a</span> <span word="GREat">GREat</span> <span word="deal">deal</span> <span word="to">to</span> <span word="control">control</span> <span word="our">our</span> <span word="environment">environment</span>, <span word="which">which</span> <span word="may">may</span> <span word="account">account</span> <span word="for">for</span> 80-90 %<span word="of">of</span> <span word="all">all</span> <span word="cancers">cancers</span>.</p><p> <span word="Environmental">Environmental</span> <span word="pollution">pollution</span> <span word="can">can</span> <span word="be">be</span> <span word="divided">divided</span> <span word="into">into</span> <span word="two">two</span> <span word="kinds">kinds</span>: <span word="personal">personal</span> <span word="and">and</span> <span word="impersonal">impersonal</span>. <span word="Personal">Personal</span> <span word="pollution">pollution</span> <span word="may">may</span> <span word="be">be</span> <span word="defined">defined</span> <span word="roughly">roughly</span> <span word="as">as</span> <span word="unhealthy">unhealthy</span> <span word="habits">habits</span> <span word="such">such</span> <span word="as">as</span> <span word="smoking">smoking</span>, <span word="drinking">drinking</span>, <span word="and">and</span> <span word="eating">eating</span> <span word="the">the</span> <span word="wrong">wrong</span> <span word="foods">foods</span>. <span word="Clearly">Clearly</span>, <span word="with">with</span> <span word="enough">enough</span> <span word="will">will</span> <span word="power">power</span> <span word="we">we</span> <span word="can">can</span> <span word="control">control</span> <span word="this">this</span> <span word="personal">personal</span> <span word="environment">environment</span>.</p><p> <span word="Impersonal">Impersonal</span> <span word="pollution">pollution</span>, <span word="on">on</span> <span word="the">the</span> <span word="other">other</span> <span word="hand">hand</span>, <span word="refers">refers</span> <span word="to">to</span> <span word="those">those</span> <span word="things">things</span> <span word="which">which</span> <span word="are">are</span> <span word="beyond">beyond</span> <span word="our">our</span> <span word="individual">individual</span> <span word="control">control</span>. <span word="One">One</span> <span word="example">example</span> <span word="would">would</span> <span word="be">be</span> <span word="industrial">industrial</span> <span word="pollution">pollution</span>, <span word="which">which</span> <span word="is">is</span> <span word="very">very</span> <span word="hard">hard</span> <span word="to">to</span> <span word="control">control</span> <span word="because">because</span> <span word="of">of</span> <span word="the">the</span> <span word="expense">expense</span> <span word="involved">involved</span>. <span word="It">It</span> <span word="would">would</span> <span word="be">be</span> <span word="expensive">expensive</span> <span word="in">in</span> <span word="terms">terms</span> <span word="of">of</span> <span word="profits">profits</span> <span word="and">and</span> <span word="perhaps">perhaps</span> <span word="jobs">jobs</span>. <span word="The">The</span> <span word="American">American</span> <span word="automobile">automobile</span> <span word="industry">industry</span>, <span word="for">for</span> <span word="example">example</span>, <span word="resisted">resisted</span> <span word="the">the</span> <span word="law">law</span> <span word="requiring">requiring</span> <span word="smog">smog</span>-<span word="control">control</span> <span word="devices">devices</span> <span word="because">because</span> <span word="it">it</span> <span word="feared">feared</span> <span word="the">the</span> <span word="added">added</span> <span word="expense">expense</span> <span word="would">would</span> <span word="reduce">reduce</span> <span word="profits">profits</span>. <span word="Nevertheless">Nevertheless</span>, <span word="some">some</span> <span word="laws">laws</span> <span word="protecting">protecting</span> <span word="the">the</span> <span word="environment">environment</span> <span word="have">have</span> <span word="been">been</span> <span word="quite">quite</span> <span word="successful">successful</span> <span word="in">in</span> <span word="reducing">reducing</span> <span word="pollution">pollution</span>.</p><p> </p>
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