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I. 1.d 2.c 3.a 4.a 5.b II. 1.extinct 2.species 3.offspring 4.likelihood 5.fur 6.trophy 7.survive 8.preserve 9.warden 10.wildlife reserve III. 1.existence 2.extinction 3.likelihood 4.variety 5.creation 6.death 7.determination 8.arrangement 9.development 10.clearance IV. 1.It fails to produce enough young in each generation to keep pace with the death rate. 2.We can tell it from fossil evidence in rocks. 3.Extinction means living beings are out of existence. 4.Human beings. 5.They may get great financial rewards from hunting. 6.They hunt animal for trophies. 7.The killing of the Canadian seals. 8.One way is to remove them to zoos and parks and breed them there.Another way is to protect the animals in the wildlife reserves with ,wardens to look after them. 9.We can enjoy ourselves in watching wildlife in natural or near-natural environments. V. 1.The natural evrironments in which animals live has been worsening. 2.Hunters hunt for their own purpose, regardless of the public living environment. 3.There is every likelihood that more animals would be made extinct without natural reserves. 4.Countless examples can be given to show that natural environments are being rapidly changed. 5.To create the wildlife reserves is another effective way to protect animals. I. 1.a. special b.specialised c.specially 2.a.publicity b.publicise c.public 3.a.viariation b.vary c.various 4.a.Tourism b.tourists c.tour 5.a.survival b.survivors c.survived II. 1.Fossils 2.Species 3.Tourism 4.extinct 5.by-product 6.offspring 7.competed 8.fate 9.threat 10.pace III. 1.He find it hard to keep pace with the development in physics. 2.Now,China can compete with most countries in the world. 3.There is every likelihood that we can do better if we work hard. 4.More and more people become concerned about our natural environment. 5.This warship has been armed with nuclear weapons. 6.I will tell you the truth provided you do not disclose it to anyone else. 7.We are very happy that he can survive this heart attack. 8.The danger can not be ignored that tigers may become extinct in our country. I. 1.F 2.T 3.F 4.T 5.T 6.T 7.F 8.F 9.F 10.F II. 1.somke, fog 2.coughing, straining for breath 3.lung or heart 4.chemicals 5.guide 6.furnaces 7.chemical fumes, water droplets 8.temperature inversion 9.photochemical smog 10.exhaust fumes,nitrogen oxides, subphur dioxide, oil refineries I. 1.e 2.d 3.a 4.b 5.c II. 1.B 2.A 3.D 4.C 5.A III. 1.exhausted 2.conclude 3.inversion 4.suffering 5.strained I. 1.我很少看见她这样不高兴。（否定副词seldom放在句首） 2.直到最近他才有机会回家乡看一看。（only放在句首） 3.她不仅抱怨饭菜不好吃，而且拒绝付款。（not only放在句首） 4.电子太小，人们即使有高倍望远镜也无法看到。（so 放在句首） 5.就这样爆发了1895年的日俄战争。（thus 放在句首） 6.幸福、快乐的日子一去不复返了。（主语过长，谓语提前，避免头重脚轻） 7.今年我们一次也未曾提高过商品价格。（not 放在句首） 8.在美国，不但是商品的价格千差万别，而且质量也参差不齐。（not only 放在句首） 9.他似乎并未意识到自己的危险处境。（little 放在句首） 10.他刚刚放下听筒，电话接着又响了起来。（no sooner 放在句首） 11.我们的前面有很多困难。（ahead 放在句首） 12.新近归国人员的状况也被描述了一番。（主语过长，谓语提前，避免头重脚轻） 13.买车买房时，我们不能完全依赖销售商，买保险也同样不能完全依赖代理人。（neither 放在句首） 14.以前还从未有人因为那种罪行入狱。（never 放在句首） 15.光的传播是如此之快，以至我们难以想象它的速度。（so 放在句首） 16.这就是把彼此无关的事实捏到一起的解释。（主语过长，here 放在句首） 17.气体没有固定的形状，也没有一定的体积。（nor 放在句首） 18.没有钢材就没有现代化工业。（if 引出的非真实条件句中，如果 if 省略，则从句倒装） 19.如果没有如此勤奋的工作，他们就不可能取得如此的成就。（倒装理由如上所述） 20.一旦明天下雨，我们将取消聚会。（倒装理由如上所述） II. 1.Hardly had I lain down when the telephone rang. 2.Never before I had she seen such a wide river. 3.Behind the house was a hill,and there are a lot of apple trees on the hill. 4.Had you come earlier yesterday,you would have seen his father. 5.Nowhere could we find a boat to take us across the river. 6.Only in the deep jungle could we find such fantastic plants. 7.Not until the race began did he come to the playground. 8.Under no circumstances will we use nuclear weapons first. 9.Never has she liked this room. 10.Never has he expected that this project could have been completed so quickly. |
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