大学英语综合教程4课后习题.docx

Unit1 If you had had a spark(火花) of consideration for your family ,you wouldnt have taken so many stupid risks. 如果你有为你的家人多一点考虑，你就不会有那么多愚蠢的风险。 Due to the lack of labor force, even women in this village were compelled(被迫) to work in the coal mines. 由于缺乏劳动力这个村的妇女甚至被迫在煤矿工作。 We went through lovely countryside with great mountains, some of them beautiful and green and wooded, while others bare(赤裸) and wild. 我们沿途经过风景秀丽的乡村，那里山峦起伏，有一些被森林覆盖，郁郁葱葱，风景宜人；另一些则是荒山秃岭，草木不生。 The cleaner took off his coat and began to scrape(擦去) the ashes from the furnace with his bare hands. 清洁工脱掉外套，开始用他的赤裸的双手擦去炉上的灰烬。 People in that area are already threatened with environmental destruction(破坏) since 60% of the forest there has been destroyed. 人们已经感受到环境破坏方面的威胁，因为有60％的森林已被破坏。 6. The auto company has seen a huge increase in the output(产量) of private can this year due to the improved working efficiency. 汽车公司已经看到了今年由于提高了工作效率，私人产量大幅增加。 7. Under the severe attack from enemy aircraft, the troops were forced to retreat(撤退) from front. 在敌机的严厉打击下，前面的部队被迫撤退。 8. When I came up to a giraffe lying on the grasses, I found that it had been killed with a spear tipped(尖矛) with poison. 当我来到一个长颈鹿躺在草地上，我发现它已经被带毒尖矛杀死。 9. He stayed eight days in an open boat with no food, and he was still alive; his survival was a(n) miracle(奇迹). 他在无遮档的小船上呆了八天,又无食物,还活下来了,这真是个奇迹。 10. Survival of the Fittest is an eternal(永恒) truth of nature. 适者生存是一个自然界的永恒的真理。 11. His hear sank when he saw the fresh pile(堆) of mails, memos and telephone messages on his desk. 当他看到邮件的新的一堆邮件，备忘录和电话留言在他的书桌上时，他的心沉了下来。 12. The military government refused to transfer(移交) power to a democratically elected civilian government. 政府拒绝将权力移交给一个民选的文官政府. 13. In that area nearly six million people are affected by the drought and the civil war, and there is a real danger of mass(大规模) starvation. 在那个地区近六百万人受到干旱和内战的影响，并有大规模饥荒的危险。 14. Postal service personnel who are severely irresponsible purposely delay sending mail, thereby(因此) giving rise to great loss of public trust. 邮