Unit21 Lesson1 Super Athletes练习.docx

Unit21 Lesson1 Super Athletes练习一、单词拼写。1. The human body cannot _(忍受) such large amounts of radiation.2. Water is _ (基础的) to survival.3. He threw all those that _(反对) him into prison.4. The speaker had got confused and started _(自相矛盾) himself.5. We are currently _(寻找) new ways of expanding our membership.6. Trees are planted at _(间隔) of 2 meters.7. Employees are entitled to an _(一年一次的) paid leave of fifteen days.8. Welfare reform is a _(有争议的) issue among the public.9. _ (义务的) education for children is widely enjoyed in China.二、用所给短语的正确形式填空。in use, due to , in vain, at all costs, at random, seek to, come across, catchdoing1. The restaurants success was largely _ new manager.2. When I turned over the book I _ an old bookmark.3. The President was _ be elected twice.4. He tried hard _ to pass the driving test.5. The list of the students to have the test was arranged _.6. We were determined to win the game _.7. My bike bought 10 years ago is still _.8. A beautiful young woman _ yesterday in the shopping center.三语法填空1.Since then, records _(fall) in track and field year after year as athletic performances have _(continue) improved.2.These drugs are_(origin) developed_(help) people with illnesses, but in the wrong hands, they create supreme athletes_(make)them faster and stronger than is normal for human beings.3.Taking these drugs is known _ doping and although they enhance performance , they also cause serious health problems in later life for those_abuse them4Doping is not only a problem in athletics, it is part of every sport _ athletes seek to achieve _their natural limits. 5. In 2006 cycling fans worldwide were shocked_ the winner of annual cycling race, the Tour de France, was caught_(dope). Floyd Landis made several lame excuses _(blame) medicine he has been taking for an _(injure) but these were all_vain.6._(fortunate), it is not easy to catch athletes_(use) illegal drugs. It is compulsory for winners_(test) but other participants are only tested _random.7However, doping is not the only thing_ we need to worry about._ we are careful, gene therapy will be the next big threat._ medical purposes, scientists have already found ways_(build) muscle and increase strength _changing peoples genes. 8In the future, athletes who have their genes_(change) might be able do do the 100 metres dash .9.Many contemporary athletes _(breake)world records if they _(take) part in the first Olympic Games10.Ben Johnson would still be the 100 metres world record holder if he_(not catch) taking drugs in _ 1988 Olympics.11. If American athlete Marion Jones _(not take) drugs, would she _(make) it to the Olympics at all?Grammar 虚拟语气一过去时的虚拟语气，表示和过去的事实相反。结构是if +had done, 主句 would/should/might /could have doneIf I_(see) the film yesterday, I _(tell)you about it. If I_(got) there just now, I _(meet)Mr. Li. 一 一般现在时的虚拟语气，表示和现在的事实相反。结构是 if+did/ were, 主句用would/should/ might/could +doIf he _(be) free today, we would see him.If he _(know) her, he _(greet) him now.二 将来时的虚拟语气，表示将来难以实现的事情 或者是和将来的现实相反的假设。结构是if+did动词过去式(be用were),should + 动词原形,were to + 动词原形 主句would / should / might / could + 动词原形If he _(go) to Qing Hua University, he would make full use of his time. If he _( be) to come here, he would tell us about it. 四（1） It is high time we_(take) some measures.(2) It is time we_(leave) now.(3) Some suggestions were put forward that the government_( cancel) the project(4) He insisted that he_(accompany) me to the gate.(5) He demanded that we _(take)the teachers advice.(6)He ordered that we _(follow) the teachers advice.(7)If only I _(be) a millionaire now.(8) I would rather you_(see) the film yest