专题4.2 Working the land【变式训练】I. 单词拼写1. If you keep staying in the sun for a long time，youll get s_.2. The World Food Programme supports governments of developing countries in their efforts to achieve Zero H_.3. Metals e_ when they are heated.4. Each classroom in our school is e_ with a computer, which is helpful to our study.5. India e_ tea and cotton to many different countries.6. They asked so many questions that I got c_.7. We are not doing a c_ experiment but a physical one.8. It is to be _(遗憾) that the rich and powerful too often bend the acts of government to their own selfish purposes.9. Now, people in the south grow a lot of rice that has a high _(产量)10. This kind of food contains all the _(营养) our body needs.11. Your body uses _(矿物质) to build bones, make hormones, and regulate your heartbeat.12. A _(减少的) engine power light signals that there is a problem with the battery or the power system.13. Please repeat. I havent entered your name and _(职业) yet.14. She became the _(焦点) of attention immediately she turned up.15. The teacher made a(n) _(总结) of the main points at the end of each period.II. 选词填空thanks to，focus on，be satisfied with，lead to，get rid of，build up，keep.free from.1. His eyes slowly began to_what looked like a small dark ball.2. Balanced diet and proper exercise can_you_disease.3. Every morning he spends 45 minutes doing physical exercises to _his strength.4. This kind of discussion will_still greater differences between the two parties.5. _your help, we finished the task ahead of schedule.6. He _ what you have done.7. She wanted to _ her parents and their authority.III. 用所给词的适当形式填空1. The toys produced in our factory are mainly _(export) to European countries.2. We were told to keep all our sports _(equip) in the lockers downstairs.3. The people there enjoy complete _(free) of speech.4. The rapid_(expand) of cities can cause social and economic problems.5. In some poor African areas, many children died of _(hungry) every year.6. The basic needs of the world population should be_(satisfy) first.7. He made some _(comment) about my dress, and then carried on reading his book.8. He was really confused by the _ (confuse) problem which also confused other people for a long time.9. For decades, they_(struggle) to search for ways to increase rice harvests, but without success.10. He returned from Paris and found his office was under someone elses_(occupy).11. He has been struggling _ find) a job for months，and finally he succeeded.12. I often regret not _(take) your advice.13. I regret _(tell) you that Mr.Smith has departed from the world for ever.14. Staying up too late led to his _(be) late.15. Why, Jack, you look so tired.Well, I have been _(paint) the house and I must finish the work tomorrow.IV. 单句改错1. More than 800 millions people go to bed hungry every day.2. I believe you sell video cameras. If such, would you send me a price list?3. America is where was called “India” by Columbus.4. Im not used to eat so much at lunchtime.5. You cant imagine what difficulty we had walked home in the snowstorm.6. One learns a language by making mistakes and corrects them.7. He devoted himself to help the poor.8. If you go near a camel, you risk bitten.单项选择1. Kevin saw that the old lady was _ with the weight of her heavy bags, so he helped her carry them.A. instructingB. strugglingC. celebratingD. managing2. After working as a long-distance truck driver for 10 years, James wanted to find an _ that would let him spend more time at home with his family.A. expressionB. occupationC. indicationD. impression3. They led _ that there was no danger.A. my believingB. me to believeC. me believeD. me believing4. The ending of the movie did not come as a _ to John because he had already read the novel that the movie was based on.A. visionB. focusC. surpriseD. conclusion5. There are many sales of mobile phones on www. taobao. com，and you can choose _ based on your own interests. A. thatB. eachC. it D. one6. Mark often attempts to escape _ whenever he breaks traffic regulations.A. having been finedB. to have been finedC. to be finedD. being fined7. Water from poisoned wells may _ deadly cancers.A. result fromB. suffer fromC. lead toD. lie in8. The teacher advised me to _ my story into a novel. A. shareB. expandC. explodeD. respond9.