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1、完形填空模拟检测(七)说明文(共2篇，限时35分钟)ANew genetic analysis has revealed that many Amazon tree species are likely to survive humanmade climate warming in the coming century, contrary to previous findings that temperature increases would cause them to die out. A study, _1_ in the latest edition of Ecology and Ev
2、olution, reveals the _2_ age of some Amazonian tree species more than 8 million years and _3_ shows that they have survived previous periods as warm as many of the global warming imagined periods _4_ for the year 2100.The authors write that, having survived warm periods in the past, the trees will _
3、5_ survive future warming, provided there are no other major environmental changes. _6_ extreme droughts and forest fires will impact Amazonia as temperatures _7_， the trees will stand the direct impact of higher temperatures. The authors _8_ that as well as reducing greenhouse gas emissions to mini
4、mize the risk of drought and fire, conservation policy should remain _9_ on preventing deforestation (采伐森林) for agriculture and mining.The study disagrees with other recent researches which predicted tree species extinctions _10_ relatively small increases in global average air temperatures.Study co
5、author Dr Simon Lewis (UCL Geography) said the _11_ were good news for Amazon tree species, but warned that drought and overexploitation of the forest remained major _12_ to the Amazons future.Dr Lewis said, “The past cannot be compared directly with the future.While tree species seem likely to _13_
6、 higher air temperatures than today, the Amazon forest is being transformed for agriculture and _14_， and what remains is being degraded (使恶化) by logging (伐木), and increasingly split up by fields and roads.“Species will not move as freely in todays Amazon as they did in previous warm periods, when t
7、here was no human _15_. Similarly, todays climate change is extremely fast, making comparisons with slower changes in the past _16_.“With a clearer _17_ of the relative risks to the Amazon forest, we _18_ that direct human impacts such as forest clearances for agriculture or mining should remain a k
8、ey point of conservation policy. We also need more aggressive _19_ to reduce greenhouse gas emissions in order to make minimum the risk of drought and fire impacts and _20_ the future of most Amazon tree species.”语篇解读：本文是一篇说明文。主要讲述了一项最新的研究，研究表明气候变暖不会使亚马孙古代树种灭绝。1A.advertisedBdescribedCpublished Dpres
9、ented解析：选C此处表示生物与进化的最新版发表的一项研究。故选C。2A.frightening BsurprisingCexciting Dinteresting解析：选B根据下文“more than 8 million years”可知，亚马孙一些树种的年龄是令人吃惊的(surprising)。3A.still BneverthelessChowever Dtherefore解析：选D这些古代树种有着超过800万年的树龄，因此(therefore)表明了它们可以幸存于和先前所有时期一样温暖的全球气候变暖的时期，预测为2100年。前后意义上为因果关系。4A.assess BconfirmC
10、forecast Dpromise解析：选C根据下文“the year 2100”可知，将来时间只能是预测(forecast)。5A.particularly BprobablyCmerely Dpossibly解析：选B既然亚马孙的树种曾在高温气候中生存下来，所以将来也有可能(probably)在气温升高的气候中存活。6A.Since BAlthoughCWhen DIf解析：选B虽然随着温度的升高，严重的干旱及森林火灾将会影响亚马孙流域，但这些树木将会忍受更高温度的直接影响。故选B。7A.rise BchangeCdrop Dend解析：选A由本句末的“higher temperature
11、s”可知此处应是温度升高。故选A。8A.consider BdecideCguarantee Drecommend解析：选D空后面是作者的建议，故选D。9A.based BbuiltCfocused Dmade解析：选C此处表示保护措施应当仍然集中于防止为了农业和矿业的发展而采伐森林。故选C。10A.in relation to Bin response toCin reply to Din reference to解析：选B这项研究与最近其他研究不同的是他们预测树种的灭绝是对相对小幅度的全球平均气温升高的反应。in response to“响应，回答，对做出反应”，故选B。in relati
12、on to“关于，涉及”；in reply to“答复”；in reference to“关于”。11A.findings BthoughtsCinventions Dwritings解析：选A根据上一段中的“The study”，再结合第一段第一句中的“previous findings”可知答案选A。12A.threats BdisadvantagesCembarrassments Dinstructions解析：选A此处是指干旱和过度采伐森林对于亚马孙的未来来说仍然是主要的威胁(threats)。故选A。13A.accept BtolerateCpermit Drequire解析：选B虽
13、然树种好像能忍耐比现在更高的温度，但亚马孙森林正在向农业和矿业转变。根据上文第7空后的“stand the direct impact of higher temperatures”也可知，此处应用stand的同义词tolerate。故选B。14A.farming BplantingCcatering Dmining解析：选D由第二段最后一句中的“deforestation(采伐森林) for agriculture and mining”可知选D。15A.power BinfluenceCdesire Dviolence解析：选B此处指当这里没有人类影响的时候。故选B。16A.difficu
14、lt BclearCeasy Dimportant解析：选A现在气候变化极快，使之与过去缓慢地变化比较起来很难。故选A。17A.belief BdirectionCunderstanding Dsuggestion解析：选C更清楚地理解了亚马孙森林所面对的危险，我们推断出(conclude)人类直接的影响，比如为了农、矿业而采伐森林，仍是保护政策的重点。18A.doubt BconcludeCcalculate Dprefer解析：选B参见上题解析。conclude“推断，做结论”。19A.thought BguidanceCprotection Daction解析：选D为了把干旱和火灾的风险
15、降到最低并保护(secure)亚马孙树种的未来，我们也需要更多积极的行动来减少温室气体的排放。action“行动”。20A.secure BadvanceCsacrifice Devaluate解析：选A参见上题解析。secure“保护，使安全”。BFor many people today, reading is no longer relaxation.To keep up their work they must read letters, reports, trade publications, interoffice communications, not to mention newspapers and magazines: a neverending flood of words.In _1_ a job or advancing in one, the ability to read and comprehend _2_ can mean the dif
