1、课时作业14Learning about Language & Using Language.单词拼写1We advocate strict control of pollution.2In no circumstances can you leave your position. That is, you must stick to your position.3He felt quite refreshed after a glass of tea, so he went on writing his book.4He was respected for his contributions
2、 to science.5I cannot make such a commitment (承诺) at the moment.6The sales manager will give a presentation (展示) on the new products.7His casual (漫不经心的) manner annoyed his girlfriend.8You can cook using a microwave instead of using gas. It is more convenient.9There are some disagreements whether the
3、 disease is curable.10You can ask him to help you repair the radio, for he is an electrical engineer.选词填空be casual about， make contributions to， make a difference， put up with， as long as， carry out， on behalf of， in existence， on the whole， and so on1Flowers make_a_difference to the room, so youd b
4、etter raise some in the house.2You dont have to put_up_with pollution. You should think of ways to deal with it.3As_long_as we have means of producing heat we can keep the steam engine at work.4He was awarded the Nobel Peace Prize, for he had made_contributions_to world peace.5Before testing the met
5、hod on patients, Dr Dale has carried_out tests for two years on over three hundred dogs.6On_behalf_of our company, Id like to extend our warm welcome to you.7He doesnt believe that ghosts are in_existence.8On_the_whole,_I am in favour of the plan.9He pretended to be_casual_about the news, but it was
6、 obvious that he was very happy.10Nowadays senior middle school students learn many subjects at school, Chinese, maths, English，history and_so_on.句型转换1How can she stand that kind of treatment?How can she put _up _with that kind of treatment?2I havent decided which car I should buy.I havent decided w
7、hich _car _to _buy.3To learn some basic knowledge about computers is necessary.It is necessary to learn some basic knowledge about computers.4Ken is not present, so I shall represent him to accept the prize.Ken is not present, so I shall accept the prize on his behalf.5The naughty boy didnt pretend
8、to be reading until his teacher came in.It was not until his teacher came in that the naughty boy pretended to be reading.完成句子1On_behalf_of everyone here, I wish you a very happy journey.我代表在座的各位祝你旅途愉快。2He advocates_building more schools in these areas.他主张在这些区域建立更多的学校。3Im not going to put_up_with th
9、eir smoking any longer.我再也不能容忍他们抽烟了。4So_long_as/As_long_as you have confidence, youll win.只要你有自信，你就会获胜的。5It is the best result that could be expected under_the_circumstances.在这种情况下，这是可以期待的最好结果了。6He has_made_great_contributions to the space development program.他对太空发展计划有很大的贡献。.完形填空The ice sheets in th
10、e poles and glaciers on the high mountains are melting and the world is in danger of _1_. While you are surprised by the special _2_， you know that it is just a madeup story and there will be a hero to save the world. But what if the ice sheets are really _3_？ Can anyone save us?_4_ to a scientific
11、study last Monday, Arctic ice will completely _5_ in the summers by the end of this century unless carbon dioxide emissions are greatly _6_.“The big melting has begun，” said Jennifer Morgan, from the Climate Change Campaign for the World Wildlife Fund (WWF). Arctic _7_ are rising at twice the global
12、 _8_ and could rise seven degrees centigrade by 2100.The melting will cause sea levels to rise _9_ one metre, forcing many coastal populations _10_.“The polar bear is one _11_ of an animal that could become extinct by the end of this century，” the WWF said. _12_， on the positive side, rising sea lev
13、els _13_ open up new areas for fishing and oil and gas exploration.“Industrial countries are _14_ an uncontrolled experiment to study the effects of _15_ change. The Arctic is their first victim，” Morgan said.Russia _16_ the Kyoto Protocol, an agreement to cut production of six greenhouse gases. But
14、 the US, the biggest polluter, _17_ to do so. In 2002, 104 countries, _18_ China, accepted the agreement.The new _19_ is sponsored by a group of industrial countries, including the US and Canada, _20_ produce almost 30 percent of global carbon dioxide emissions.1A.snowing BfloodingCwatering Draining
15、答案：B解析：由and前的句子可知极地的冰盖和高山的冰川正在融化。由此带来的后果应是地球面临着被洪水淹没(flooding)的危险，而不是snowing(降雪)，watering(浇水)和raining(下雨)。2A.catastrophe BluckCmovement Dexistence答案：A解析：地球面临着被淹没的危险，这是一种灾难。因此本题应选择catastrophe(灾难)。luck“运气”；movement“运动”；existence“存在”。3A.smelling BsmokingCcooking Dmelting答案：D解析：由该段首句中的“The ice sheets in
16、 the poles.are melting”可知此处应选择melting，表示“假如冰盖真的融化了，那该怎么办？”4A.According BLooking forwardCUsed DSeeing答案：A解析：据上周一发布的一项科学研究。according to .“根据”，为固定搭配；look forward to“盼望着”；used to“过去常常”；see to“处理，照管”。5A.renew BmanageCawait Ddisappear答案：D解析：renew“更新”；manage“设法”；await“等待”；disappear“消失”。本文谈论冰盖融化，最后的结果应是北极冰盖
17、的消失，应选disappear。6A.increased BreducedCdied Draised答案：B解析：从unless看出，此处是否定的假设。increase“增加”；reduce“减少”；die“死亡”；raise“抬起”。北极冰盖的消失应在二氧化碳排放量不能大幅度下降的前提下。7A.size BtemperaturesClength Dweight答案：B解析：size“大小，尺寸”；temperature“温度”；length“长度”；weight“重量”。由下文的“rise seven degrees centigrade”可知此处谈论的是温度。8A.special Bnor
18、malCaverage Dabstract答案：C解析：special“特殊的”；normal“正常的”；average“平均的”；abstract“抽象的”。此处表示北极温度正在以全球平均升温速度的两倍上升。9A.by BonCin Dto答案：A解析：介词by表示升降的程度。句意为“冰盖融化将导致全球海平面上升1米”。10A.to be moved BmoveCto move Dmoved答案：C解析：force sb. to do sth.“逼迫某人做某事”。11A.pattern BmodelCstyle Dexample答案：D解析：pattern“样品”；model“模型”；sty
19、le“风格”；example“例子，实例”。北极熊是可能在二十一世纪末灭绝的极地动物中的一个例子。12A.But BAndCSo DOr答案：A解析：从on the positive side看出，此处是转折关系。but表示转折关系；and表示并列关系；so表示因果关系；or表示逆向假设关系。13A.should BwillCmay Dought to答案：B解析：现在冰盖并没有完全融化，海平面正在逐渐上升，新的渔场、油气资源等的开辟还没有展开，因此应用一般将来时。14A.carrying forward Bcarrying outCcarrying on Dcarrying about答案：
20、B解析：工业国家正在进行另外一项实验。carry forward“发扬；推进”；carry out“开展，实现”；carry on“继续开展”；carry about“随身携带”。15A.sky BweatherCclimate Datmosphere答案：C解析：此处指长期的天气现象气候(climate)。16A.accepted BreceivedCgot Dpushed答案：A解析：accept“接受”；receive“收到”；get“得到”；push“推；按”。此处表示俄罗斯接受(签署)了京都议定书。17A.agreed BrefusedCdecided Dwanted答案：B解析：句
21、意为“而世界最大的污染国美国却拒绝加入该协议”。从but推断出美国和俄罗斯的行为是相反的。18A.as well BexceptCwithout Dincluding答案：D解析：为削减全球6种温室气体的排放量，许多国家签署了京都议定书。2002年，包括中国在内的104个国家接受了京都议定书。B、C两项意义相同，故排除；as well“也”，后不接宾语。故选D项。19A.study BlearningCknowledge Dunderstanding答案：A解析：许多国家发起的应是对气候变化的研究(study)。20A.where BwhenChow Dwho答案：D解析：句意为“全球近30%
22、的二氧化碳排放量来源于美、加等工业强国”。who引导一个非限制性定语从句。从句中缺少主语，四个选项中，只有who可以作主语。.语法填空Global warming refers to the fact that the earths atmosphere is warming near _1_ (it) surface in other words, its getting hotter. Some scientists say it is human activity _2_ has caused global warming. However, there are other theori
23、es as well.One popular theory relates to the “greenhouse effect”. Gases that make up the atmosphere are similar to _3_ greenhouse because they allow sunlight _4_ (pass) through, and then trap much of the heat from _5_ (escape). This naturally occurring phenomenon, _6_ is called greenhouse warming, k
24、eeps the earths surface _7_ (warm) than it would be.While scientists agree that humanproduced compounds (化合物) like carbon dioxide and others are being released into the atmosphere, some argue its not clear how this results _8_ the changes in temperature.Global warming can _9_ (great) affect human li
25、fe on many levels. Scientists have made great _10_ (contribute) to finding out how long the earth has been warming, at what rate it is warming, and what factors are causing it. These answers may better prepare people to handle its effects.1its2.that3.a4.to_pass5.escaping6which7.warmer8.in9.greatly10.contributions