大工10春《大学英语4》辅导资料六.doc

大连理工大学网络教育学院大学英语4辅导资料六主 题：Unit 2 课后部分习题的答案与讲解学习时间：2010年5月24日5月30日内 容：Exercise 1 Fill in the blanks with the words or expressions chosen from the following list. Change the form where necessary.extreme currency accumulate reserveabundant melt rhythm consumein the form of fundamental productivity internalample dependent resource depthdeposit excess convert in good condition1. The changes in the firms policy will have to be fundamental if they are to have any effect on its future.（如果公司策略的变化想对未来有所影响的话，就必须是根本性的。）2. Last month I deposited 50 yuan in my savings account, but this month I had to draw 200 to pay for the cassette tape recorder.（上个月我存了50元钱，但这个月我必须提取200元买录音机。）3. State financial support given in the form of scholarships has stimulated the students to greater efforts.（以奖学金形式出现的国家财政支持促使学生们更加努力。）4. If you spare half an hour for exercises every day youll soon be back in good condition.（如果你每天省下半个小时锻炼身体，那么你很快就会恢复健康的。）5. When the temperature becomes extreme, people constantly complain about the weather.（当气温达到极限时，人们总是不停地抱怨天气。）6. A country should protect its natural resources by fighting against waste.（一个国家应通过反对浪费来保护其自然资源。）7. The generators at the dam convert water power into electricity.（水坝上的发电机将水力转化为电。）8. The little boy cried because his ice cream melted before he had a chance to eat it.（小男孩哭了，因为他还没来得及吃他的冰淇淋就化了。）9. Rhythm is a basic component of music and language.（节奏是音乐和语言的一个基本组成部分。）10. Large amounts of food imports placed a great strain on the countrys gold reserve.（大量的食物进口使得国家的黄金储备负担沉重。）11. Some people seem to be able to accumulate wealth faster than others.（似乎一些人比另一些人积累财富快些。）12. The first quarter results reflect continued improvements in productivity.（第一季度的结果反映了生产率的持续提高。）13. The teacher tried to encourage her students to become less dependent on her because she knew they would sooner or later have to take care of themselves.（老师努力鼓励学生更少地依赖于她，因为她知道他们迟早不得不自己照顾自己。）14. Every country considers its internal affairs to be its own responsibility.（每个国家都把内政看做是自己的职责。）Exercise 2 Replace the following italicized parts with words or expressions from the text.1. You should have thanked your uncle for the gift without being reminded. You must learn to behave more like a grown-up man.答案: mature（你本应该不用别人提醒就谢谢你叔叔送你礼物。你必须学会表现得像个成年人。）2. If the run on the bank continues, its cash supply will soon be exhausted. 答案: money reserve（如果向银行挤兑继续下去，现金储备很快就会用完的。）3. It is convenient to have a checking account, but you must remember to put enough money in the bank to cover the checks that you write to settle your accounts. 答案: deposit （活期存款方便，但你必须记得在银行存入足够的钱，以足够支付结帐时开的支票。）4. Is the Japanese yen still among the strongest in the world? 答案: currency （日元还是世界上最坚挺的货币之一吗？）5. Billys parents encouraged him to save his money. Hence, he has more than enough funds to travel before he starts college. 答案: ample（比利的父母鼓励他存钱。因此上大学前他有充实的资金旅游。）6. This book is on the basic principles of banking. 答案: fundamental （这本书是关于银行业的基本原则。）7. The Chinese nation has brought forth many national heroes and revolutionary leaders. 答案: has given birth to （中华民族已造就了许多民族英雄和革命领袖。）8. As the children filed into the classroom, Miss Lincoln was rather surprised at their quiet behavior. 答案: somewhat（当孩子们成单行进入教室时，林肯小姐对他们这种安静的举动有些吃惊。）9. If the right kind of extracurricular activities are organized, those children who have a surplus of energy will have a chance to develop their talents much more quickly. 答案: an excess （如果组织合适的课外活动，那些有多余精力的孩子就能有机会更快地培养他们的才能。）10. Dust and cobwebs gathered in the home while she was gone. 答案: accumulated （她离家这段时间，灰尘和蛛网在屋里积累起来。）11. Its not wise to change your money into U.S. currency. 答案: convert （把你的钱兑换成美元是不明智的。）12. It made us to see the actors beard fall off. 答案: amused（看到演员的胡子掉了，我们被逗乐了。）Exercise 3 Complete the following sentences with appropriate phrasal verbs formed from the verbs given below: draw slow depend turn put1. Mr. Mailer draws on/drew on his childhood memories for the material of most of his stories.（梅勒先生利用他对童年的记忆作为大多数故事的材料。）2. To remain in existence, the theater must continue to depend on a state subsidy.（为了生存下去，剧院必须继续依靠政府补助金。）3. If I could find some way of slowing my father down I would; he is taking on far too much work.（如果我能找到使我父亲慢下来的方式，我会这样做的，他做的工作实在是太多了。）4. Chinese food is marvelous. Im afraid Ive put on a lot of weight during my stay here.（中国菜棒极了。我想我在中国停留时期长胖了很多。）5. We are talking business here. Would you please turn your radio down a bit?（我们在这谈正事呢。你能把收音机开小一点吗？）Exercise 4 Complete the following sentences with the given words as well as either the phrase “a case in point” or the phrase “in the case of” according to the context, adding other words if necessary:1. John failed the exam chiefly because of his laziness, but it was different in the case of Tom: he was ill.（约翰考试不及格主要是因此懒惰，汤姆的情形不同，他生病了。）2. A water control project, when completed usually benefits people for many years to come. A case in point is Dujiangyan, which was built about 2000 years ago.（一个水力控制工程完工时，往往会给未来许多年的人们带来好处。大约二千年前建造的都江堰就是一个很好的例证。）3. Many kids think of panhandling as a shame. But in the case of my two college sons, they try to live on their parents as long as possible.（许多孩子认为向人讨钱是一种耻辱。但就我两个上大学的儿子来说，他们试图尽可能地依赖父母生活。）4. It is due to the invention of the computer that man has been able to work so many wonders in the past few decades. A case in point is the successful launching of space shuttles.（由于计算机的发明使得人类在过去几十年中创造了这么多的奇迹。航天飞机的成功发射就是一个例子。）5. Some animals seem to have aesthetic tastes. A case in point is the chimp, which can learn to paint like a small child.（一些动物好像具有美学口味。黑猩猩就是一个例子，它能像小孩子那样学会画画。）Exercise 5 Rewrite the following sentences after the models: Model: 1. Only some winters are critical for deer of course. Not every winter is critical for deer of course. 2. Only some of them are qualified skilled workers. They are not all of them qualified skilled workers.1. He lends his books only to certain persons. 答案: He does not lend his books to everybody.（他不是把书借给所有人。）2. She is very cooperative sometimes. 答案: She is not always so cooperative.（她并非总是很合作。）3. Only some of his stories make interesting reading. 答案: Not all his stories make interesting reading.（他的故事不是都有趣。）4. This plant is to be found only in certain places. 答案: This plant is not to be found everywhere.（不是在所有的地方都能找到这种植物。）5. Some