新视野英语网上作业

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U81. Word last week that a scientist nam ed Ian Wilmut had succeeded in cloning an adult mammal — an achievement long thought impossible — caught the imagination of everyone.2. In the wake of Wilmut's announcem ent, governments hurried to draft guidelines for the unknown, a future filled with incredible possibilities.3. Like the Theory of Relativity, the splitting of the atom , and the first space flight, Dolly's appearance has generated a long list of difficult puzzles for scientists, politicians, and philosophers.4. The hum an cloning situations that experts consider most frequently fall into two broad categories: 1) parents who want to clone a child, either to provide transplants for a dying child or to replace that child, and 2) adults who for a variety of reasons might want to clone them selves.5. The cloning method used by Wilmut 's lab requires combining an egg cell with the nucleus of a cell containing the DNA of the person to be cloned.6. Identical genes don't produce identical people, as anyone who knows a set of identical twins can tell you.7. The gravest concern isn't really cloning itself, but genetic engineering — the deliberate altering of genes to create hum an beings according to certain requirements.8. One expert believes the situation could be com parable to what occurred in the 16th century, when Europeans puzzled over how to classify the unfamiliar inhabitants of the Am ericas, and endlessly debated whether or not they were humans.XVII. Fill in the blanks with the words given below. Change the formwhere necessary.1.Two m 2.He is charged with taking a car without the owner's 3.The mere thought of flying fills me with 5.Each chapter (章Shakespeare.6.His action was interpreted (解释community. 7.A week off would give him time for 8.9.of employed households. 10.11. It is vain to think that most of the load will be shouldered by12.In spite of what the doctors said, it seem ed to himtheaccident had fatally dam aged her brain.U7III. Fill in the blanks with the words given below. Change the form wherenecessary.1.2.The postal depart m ail by districts.3.The convict (囚犯 prison after serving his sentence.5.The firm6.a lot ofmoney.7.the bedroom.8.Severe business losses left the company9.It mstay there for som e months.10. In so doing we influence other people's behavior in the only way possible ---11.杀虫剂) on the rose-bushes.12.n.1. 情人节是这个国家玫瑰花行业生意最红火的一天,因为在这一天,玫瑰花零售商们要卖掉100多万枝玫瑰。

2. 对于传统的花店来说,销售玫瑰花已不再像以前那样是一种美好的体验,因为激烈的市场竞争已使他们几乎濒临破产的边缘。

3. 正当折价玫瑰花零售商看着他们的生意蒸蒸日上时,美国的玫瑰种植商却因为大量的外国玫瑰进入美国市场而正在遭受破产的厄运。

4. 由于进口玫瑰花占了美国全部市场的57%,国内玫瑰种植商的利润率已大大地下降。

5. 一些精明的国内玫瑰种植商已经开始与海外竞争者合作,而不是与他们对抗。

6. 他们打算通过提供各种服务以及成为海外花卉生产商的代理来扩大业务范围。

7. 那个年轻人手里捧着一束玫瑰花走进办公室,将它放在了他心仪已久的女孩莉莉的办公桌上。

8. 办公室里所有的人都伸长脖子来看这位帅小伙,并且急切地想知道他们之间的爱情故事。

1. Red rose is going to remain the m ost popular flower because love never goesout of style.2. Som e custom ers say the high quality of the roses m akes them look as if theyspent a fortune.3. If we can m ake som eone's day brighter for $35 instead of $65, then they'llhave enough m oney left over for candy and dinner.4. The company's formula for success is to hold prices down by controlling everylink in the rose chain.5. While discount rose retailers watch their business bloom, U.S. rose growersare going bankrupt amid severe foreign com petition.6. Imported roses are sold across the entire breadth of the industry, from bigflower shops to street-corner stands.7. The volum e of rose imports has already crushed som e domestic growers.8. All the changes are making some in the rose business long for the good olddays, when neighborhood flower shops arranged and delivered everyValentine's Day bundle of flowers.XVII.Fill in the blanks with the words given below. Change the form where necessary.1.The Allies2.That dress cost m3.4.the iron ore deposit. 5.giving a balanced picture. 6.Mr. Davis is always m ents.7.Mary froze at the sight of a snake 8. e of our arrival will be two o'clock.9.closer to the truth?10. Fem ale competitors may also wear a plain white T-shirt11.cries for milk or affection. 12.U10III. Fill in the blanks with the words given below. Change the form wherenecessary.pleted by 2005, and astandard systemsuitable for the national network will be introduced in 2006. 2.the bombers, and no one has so far claimedresponsibility.3. She must have looked down at the dog and seen the blood4.unemployment and a vast drop in the gross dom estic product, with factories and companies closing down all over the country. 5. east London, in which a m an died. 6.German spies was not carried out with greater enthusiasm than the cam paignto get German scientists. 7.One of these days these anim the face ofthe earth and never be seen again.8. Their lungs are not particularly large, despite the fact that a dolphin (海豚)can hold its breath for five minutes or m ore, and som e species of whales can9. Allin a good order and the vehicle has not beenin any accidents. 10.You should go for a sea 11.He bit open the fruit and12. The background m usic in the depart m ent store creates a relaxed, friendly atX.Translate the following sentences into English.1. 5月26日早上,天气很好,一架海军飞机从军事基地起飞,去执行搜索敌军航空母舰(aircraft carrier)的任务。