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1、小綜合訓(xùn)練17對(duì)應(yīng)學(xué)生用書(shū)p154.閱讀理解scientists have suggested trapping(收集) carbon dioxide in rocks as one way to slow the rate of climate change. but they havent come up with an easy way to do it until now, anyway. researchers in canada have just proposed a new technology to collect and trap the greenhouse gas.li
2、mestone (石灰?guī)r) and other minerals already store a lot of carbon dioxide on the earth, notes ian power.hes a geoscientist at trent university in peterborough, canada. the problemthis natural process is slow. it can take thousands or even millions of years. at present, he explains,“were producing so mu
3、ch carbon dioxide now that the earth cant keep up.”they found that a mineral called magnesite (菱鎂礦) locks up carbon dioxide. a ton of this mineral can store about half a ton of carbon dioxide. the chemical normally takes thousands of years to form. but in the lab,powers group made it happen in just
4、a few months.magnesite occurs naturally. but the process by which it forms on the earths surface is very, very slow. so scientists try to combine rocks and carbon dioxide using lots of heat in the lab. that could make the mineral quicklybut there are a lot of problems to deal with to produce magnesi
5、te in the lab as well as consuming a lot of costly energy.so far, the scientists have made only a tiny amount of magnesite in the lab. the totalone microgramis about one millionth the weight of a paper clip. “so the process needs a lot of improvement before it can begin trapping the millions of tons
6、 of carbon dioxide produced each year,”says power. “but a big concern has been overcome,”he says. “theyve shown it is possible to do this at room temperature and pressure. now the team can explore how to make the process more efficient.”【語(yǔ)篇解讀】本文是一篇科普說(shuō)明文。加拿大的科學(xué)家想通過(guò)實(shí)驗(yàn)室生產(chǎn)出一種菱鎂礦,用它來(lái)吸收地球上的溫室氣體二氧化碳,雖然在室溫下
7、就可進(jìn)行這個(gè)試驗(yàn),但效率仍然很低。1why do scientists try to make magnesite in labs?ato show how advanced their technology is.bto help slow the speed of global warming.cto create more new materials for mankind.dto prevent carbon dioxide from being sent into the air.解析細(xì)節(jié)理解題。根據(jù)第一段第一句話可知,科學(xué)家在實(shí)驗(yàn)室制造菱鎂礦的目的就是想用它來(lái)吸收二氧化碳,從而減緩
8、氣候變化的速度。故選b。答案b2how many kilos of carbon dioxide are locked up in five kilos of magnesite?a2 kilos.b5 kilos.c3 kilos.d2.5 kilos.解析細(xì)節(jié)理解題。根據(jù)第三段中“a ton of this mineral can store about half a ton of carbon dioxide.”可知,一噸菱鎂礦可以儲(chǔ)存半噸的二氧化碳。故選d。答案d3what do we know about producing magnesite in labs?ait is easy
9、 to do.bits process is complex.cit is energy consuming.dit takes thousands of years.解析細(xì)節(jié)理解題。根據(jù)第四段最后一句可知,在實(shí)驗(yàn)室制造菱鎂礦需要耗費(fèi)大量昂貴的能源。故選c。答案c4what can we infer from the last paragraph?ausing minerals to trap carbon dioxide has a long way to go.bmass production of magnesite is on the way.cmagnesite cant be ma
10、de at room temperature.dmost scientists think little of this new method.解析推理判斷題。根據(jù)最后一段中“so the process needs a lot of improvement before it can begin trapping the millions of tons of carbon dioxide produced each year”可推知,用這種人工合成的礦物吸收二氧化碳還需要很多改進(jìn)。故選a。答案a.完形填空l(shuí)ehrner always wanted to design roller coas
11、ters. even as a(n) _1_, though, she knew that there had to be more to it than just hopping on board. “i started _2_ how i would prepare,”she said. she looked to science and math and _3_ advanced classes in algebra and geometry in middle school and high school.then she took even more _4_ math and a h
12、ighlevel physics course.she also _5_ theme parks as often as she could and researched the _6_ of those coasters online. when it came time for _7_, she went to the colorado school of mines in golden, where she _8_ a bachelors degree in mechanical engineering.now lehrner works with amusement parks to
13、design and _9_ new coasters. these new coasters they design are _10_ made of wood, except for a metal _11_ on which the cars run. the basic design has been around for more than a century. still, lehrner notes, each new one is different.“a lot of the same _12_ and concepts are used when i design new
14、coasters. but they _13_ with the terrain (地勢(shì)) and design. that tells us what the limits will behow tight the bends and how _14_ the hills are.”some parks _15_ their coasters to be as scary as possible. that means big _16_ and quick turns and lots of inversions. lehrner is _17_ at making twisted wood
15、 coasters. the coasters she _18_ make you feel as if youre going _19_ than you really are because the tracks are lower to the ground. “we also try to build rides that are fun for the whole _20_children as well as their parents.” she said.【語(yǔ)篇解讀】本文是一篇記敘文。lehrner從小就想設(shè)計(jì)過(guò)山車,于是她努力學(xué)習(xí)數(shù)學(xué)、物理等學(xué)科,現(xiàn)在她為多家游樂(lè)場(chǎng)設(shè)計(jì)、建造
16、木質(zhì)過(guò)山車。1a.geniusbkidcteacherdinventor解析根據(jù)下文可知,此處指lehrner從小就想設(shè)計(jì)過(guò)山車。as a kid意為“小時(shí)候”。故選b。答案b2a.thinking aboutbgoing overcwriting downddreaming of解析根據(jù)下文中的“she looked to science and math.”可知,為了將來(lái)能夠設(shè)計(jì)過(guò)山車,她很關(guān)注科學(xué)和數(shù)學(xué)。說(shuō)明她從小就開(kāi)始考慮(think about)如何為設(shè)計(jì)過(guò)山車做準(zhǔn)備。故選a。 dream of“夢(mèng)想;夢(mèng)見(jiàn)”不符合句意。答案a3a.broughtbresearchedctookdga
17、ve解析此處take classes“上課”,為習(xí)慣搭配。故選c。答案c4a.classicalbancientcpracticaldadvanced解析承接上句,再根據(jù)even more表達(dá)的語(yǔ)氣,此處指更高級(jí)的(advanced)數(shù)學(xué)。故選d。答案d5a.visitedbcreatedcsponsoreddmanaged解析根據(jù)常識(shí)可判斷,為了研究過(guò)山車,她經(jīng)常光顧(visit)主題公園。不是經(jīng)常創(chuàng)造(creat)、資助(sponsor)或管理(manage)主題公園。故選a。答案a6a.parksbmakerscthemesdplayers解析根據(jù)上下文,lehrner關(guān)注的是過(guò)山車的設(shè)
18、計(jì),再根據(jù)空格后面的定語(yǔ)“of those coasters”可知,此處應(yīng)指過(guò)山車的制造者(maker),而不是玩家(player)或主題(theme)。故選b。答案b7a.vacationbgraduationccollegeddecision解析根據(jù)后文“she _8_ a bachelors degree in mechanical engineering”可知,“the colorado school of mines”是一所高等院校,所以此處指上大學(xué)(college)的時(shí)候。故選c。答案c8a.madebboughtcresearcheddgot解析get a degree“獲得學(xué)位
19、”,為習(xí)慣搭配。答案d9a.discoverblearncbuilddpurchase解析根據(jù)句意可知,lehrner和游樂(lè)園的工人一起建造(build)新的過(guò)山車。故選c。答案c10a.largelybcompletelyccarefullydpossibly解析根據(jù)后文的“except for a metal.”可知,此處指過(guò)山車大部分(largely)是用木頭建造的。故選a。答案a11a.coverbframecfencedtrack解析根據(jù)后面的定語(yǔ)從句可知,此處指金屬制造的鐵軌(track)。故選d。答案d12a.metalsbcomponentsccolorsdplans解析根據(jù)后
20、文“but they _13_ with the terrain(地勢(shì))and design.”可知此處不是指顏色(color)和計(jì)劃(plan);根據(jù)前文可知,lehrner設(shè)計(jì)的過(guò)山車大部分為木質(zhì),所以排除a。故選b。答案b13a.agreebcomparecchangeddeal解析此處意為“我使用了很多相同的組件和概念。但隨著地形和設(shè)計(jì)的變化而變化(change)?!惫蔬xc。答案c14a.beautifulbdangerouscmuchdhigh解析地勢(shì)的不同讓我們知道過(guò)山車的彎應(yīng)有多急,山應(yīng)有多高。此處指山的高度。故選d。答案d15a.wantbconsiderchatedimagi
21、ne解析lehrner 為公園設(shè)計(jì)過(guò)山車,有的公園希望(want)他們的過(guò)山車盡量嚇人,此處指公園一方的要求。故選a。答案a16a.dropsbcoasterscseatsdcarriages解析根據(jù)常識(shí)可知,過(guò)山車要想刺激,降幅要大,轉(zhuǎn)彎要快,倒懸要多。big drops“大的降幅”。故選a。答案a17a.amazedbexpertcpleaseddexcited解析此處指lehrner很擅長(zhǎng)制造木質(zhì)過(guò)山車,be expert at“擅長(zhǎng)于”,為固定搭配。故選b。答案b18a.ridesbenjoyscdesignsdstudies解析根據(jù)文章內(nèi)容,此處應(yīng)指lehrner所設(shè)計(jì)(design
22、)的過(guò)山車。故選c。答案c19a.slowerbcraziercfurtherdfaster解析根據(jù)本段第一句“some parks _15_ their coasters to be as scary as possible.”可知,既然一些公園希望他們的過(guò)山車盡量刺激,那么所設(shè)計(jì)的過(guò)山車應(yīng)該讓乘坐人員感覺(jué)上比實(shí)際要快(faster)。故選d。答案d20a.familybcommunitycplacedsociety解析根據(jù)破折號(hào)后的“children as well as their parents”可知,此處應(yīng)指全家(family)。故選a。答案a.語(yǔ)法填空the us has the
23、worlds _1_ (large) music market and its music reflects the countrys multiethnic population through a diverse range of _2_ (style). rock and roll, blues, country and pop music are _3_ (think) to be the countrys most internationally famous genres (類型)_4_ (originate) at the beginning of the 20th centur
24、y in african american communities, jazz was a _5_ (combine) of african and european music traditions. though it was _6_ (probable) a kind of dance music in the beginning, it gradually became a major element of western classical music._7_ important branch cant be ignored is rock & roll, which had roots in early american pop, but the blackpe
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