【正文】 for right to live in the city. They have made great contributions to the boom of the cities by means of working hard. Book 8 unit 2Cloning is a way of 1. ________ (make)an exact copy of another animal or plant. It has two major uses. One is 2. ________ gardeners use it to produce mercial quantities of plants. The 3. ________ is that it is valuable for research on new plant species and for medical research on animals. 4. ________, the process of cloning is difficult 5. ________ (undertake). The first successful clone, Dolly the sheep, made the whole 6. ________ (science)world follow its progress, though it had 7. ________ problems than the normal sheep. On the other hand, Dolly’s appearance 8. ________ (raise)a storm of objections and had a great impact 9. ________ the media and public imagination. Different people have different opinions on it. However, scientists still wonder 10. ________ cloning will help or harm us and where it is leading us. 答案: 1. making 2. that 3. other 4. However 5. to undertake 6. scientific 7. more 8. raised 9. on 10. whether Ⅳ. 話題寫作根據(jù)提示, 利用本單元所學(xué)知識(shí), 完成下面的小作文。(reform)2. 據(jù)報(bào)道, 成千上萬(wàn)的農(nóng)民從農(nóng)村來(lái)到城市。(occupy, adjust to)4. 他們可以選擇寄宿家庭, 在想家的時(shí)候, 寄宿家庭可以代替家人給予自己安慰。(make a difference, up to, participate)____________________________________________________________________________________________________________________________________________________________________________________________________________【參考范文】Jack does have been to a remote village to do some voluntary work for two months. His parents are dying to hear from him, but it will take a fortnight to arrive. Jack is trying to adjust himself to the work, otherwise he would have sent a letter already. He plans to persuade other people to donate money to those in need. His efforts have made a big difference, and up to now, many people have participated in the work.Book 7 unit 5Six months ago, Xie Lei boarded a plane for London. It was the first time that she 1. _______ (leave)her motherland. However, 2. _______ her opinion, it’s not just study 3. _______ is difficult. Students have to get used to a whole new way of life. 4. _______ for acmodation, Xie Lei chose to board with English families. She thinks that 5. _______ (live)with host families gives her the chance 6. _______ (learn)more about the new culture. When she misses her family, 7. _______ is a great fort to have a substitute family to be with. Xie Lei thinks highly of her tutor, 8. _______ explained why people cannot use others’ works without acknowledging them. Now Xie Lei feels much more at home in England. 9. _______ (hope)she will make some new friends because it is important to have a balance 10. _______ study and a social life. We wish Xie Lei all the best in her new enterprise. 答案: 1. had left 2. in 3. that 4. As 5. living 6. to learn 7. it 8. who 9. Hopefully 10. betweenⅣ. 話題寫作　　根據(jù)提示, 利用本單元所學(xué)知識(shí), 完成下面的小作文。(remote, voluntary)2. 他的父母急切盼望收到他的來(lái)信, 但是信要過(guò)兩個(gè)周才能到。(scare, drag)4. 沒有其他鯊魚來(lái)幫它擺脫困境, 我意識(shí)到它成了其他鯊魚的目標(biāo)。(be bound to, envy)____________________________________________________________________________________________________________________________________________________________________________________________________________【參考范文】Compared with the past, many people desire to have a robot in the digital times. When you are alarmed, it will acpany you until you want to be left alone. While you are at work, it obeys your order and sets down the numbers that ring you up, and even deals with some office affairs. Such a robot is more a friend than a machine, so I’m strongly in favour of the studying of robots. I’m sure that if you have such a robot, others are bound to envy you. Book 7 unit 3I had heard of the killers 1. _______ I began my work at the whaling station. Here is a story I 2. _______ (witness)with my own eyes. 　　One afternoon, I heard a loud noise ing from the bay. We ran down to the shore 3. _______ time to see Old Tom, the killer, 4. _______ (tell)us there’s a whale out there. 　　We jumped into the boat with the other whalers 5. _______ headed out into the bay with Old Tom 6. _______ (show)us the way. 　　As we drew closer, I could see a whale being attacked 7. _______a pack of about six other killers. They were working as a team—some were throwing themselves on top of the whale’s blowhole to stop it 8. _______ (breathe). And 9. _______ are stopping it diving or fleeing out to sea. Being badly wounded, the whale soon died. 　　The next day, we returned to bring in the body 10. _______ it couldn’t float up to the surface for around 24 hours. 答案:1. before 2. witnessed 3. in 4. telling 5. and 6. showing 7. by 8. breathing 9. others 10. because 根據(jù)提示, 利用本單元所學(xué)知識(shí), 完成下面的小作文。(pared with. . . , desire)2. 當(dāng)你受到驚嚇時(shí), 它會(huì)陪伴著你直到你想一個(gè)人待著。(adapt, as. . . as)4. 學(xué)會(huì)開心地生活, 換句話說(shuō), 不要為了一點(diǎn)點(diǎn)小事而生氣。1. 我外婆98歲了, 但身體非常健康。人們驚慌失措, 為自己的安全而擔(dān)憂。(It’s high time that. . . )4. 只有通過(guò)改變我們粗暴對(duì)待環(huán)境的方式, 我們才能和環(huán)境和諧相處。 it will encourage 9. _________ greater range of animals—all of 10. _________ will make life for human beings better. ”答案: 1. accurately 2. but 3. to rise 4. On 5. believe 6. that 7. environmental 8. It 9. a 10. which根據(jù)提示, 利用本單元所學(xué)知識(shí), 完成下面的小作文。如果染上這種壞習(xí)慣, 事情將更加糟糕。(not only. . . but also, affect, nonsmokers)2. 其次, 香煙很貴。(be made up of)2. 其中一首詩(shī)歌很感人, 尤其是它的翻譯。(on the one hand, on the other hand)5. 但是, 她的大量作品很暢銷, 所以, 她成了一名偉大的雕刻家。(bandage, apply…to)There is no doubt that it is necessary to know some knowledge of first aid as dangers lie everywhere and accidents happen from time to time. For example, we often cut our hand. When it bleeds, treat it in time. If the cut is not serious, press it firmly and soon it will stop bleeding. If the cut is deep, first tie a bandage around it. Then ask a doctor to apply medicine to it. Book 6 unit 1The style of Western art has changed many times 1. ______ the centuries. Artists in the Middle Ages were interested in creating