2020届高考英语一轮复习 Unit 21 Human Biology课时练（1）北师大版选修7（通用）

Unit 21 Human Biology课时练(一) 单元考点落实练和完形填空提能练一、单元考点落实练(练基础)(限时：40分钟).单词拼写1The police are still seeking (寻找) the men involved in last weeks robbery.2The flight was postponed (推迟) because of the thick fog.3Smoking is prohibited (禁止) in public buildings or in the crowded buses.4All the parents want to equip (装备) their children with some special skills. Thus, they can live better in the future.5Those who know how to tolerate (容忍) others can naturally lead a happy life.6Make sure that all applications must be submitted (提交) by Monday.7I offered to give them a lift but they declined (谢绝)8As far as I know, the manager is strongly opposed (反对) to the plan.9Fresh air is fundamental (基础的) to good health.10The officer was accused of abusing (滥用) his power while in office.单句语法填空1I am very much opposed to permitting (permit) him to go alone.2I have never sought to_hide (hide) my views. I hope you will not misunderstand me.3Please dont spit or throw rubbish everywhere at random.4Robbed (rob) of her gold necklace, which is meaningful to her, she became unhappy.5Nobody can tolerate being_cheated (cheat), and thats why he has no friend.6Equipped (equip) with new scientific farming methods, they have been able to use less farmland than before.7We cant submit to the fate. Instead, we should take a positive attitude to the present situation.8More and more people tend to read books by computers or phones rather than go (go) to library.9He is said to have_been_working (work) in this factory for more than twenty years.10Its a holiday company that caters for the elderly.11Its possible for him to open a new company of his own.12They always look for excuses to postpone doing (do) something.13If Bob had_come (come) here yesterday, he could have seen Jackie Chan.14I could have_worked (work) out the problem, but I was too nervous.15Excuse me, where is the nearest bank?Go straight ahead; you cant miss it, which is a huge building.单句改错1It was reported that all children had physically and emotionally abused.had后加been2Strangely, Mr. Green, also opposes to the new policy, made no remark in the discussion.opposesopposed3I always have faith he will come to our party in person.faith_后加that4The law prohibits tobacconists (烟草店老板) selling cigarettes to children.selling前加from5They are urgently seeking out the posts where they are well paid.outafter/for6No matter how hard the situation is, you should not lose your heart.去掉your7My deskmate, rather than you, are responsible for the work. areis8It is nice for you to give us so much help.forof9He made fortune in his business trade last year.made_后加a10Thankfully, this is a disease that is now in the decline.inon.课文缩写语法填空The Olympic spirit has been violated by the desire to succeed at all costs. Now records have_fallen (fall) in track and field due to better equipment, training and diet since the first Olympic Games. But we came across the issue of performanceenhancing drugs, which is known as doping. Some athletes who abuse the drugs risk facing (face) serious health problems in later life. They seek to_achieve (achieve) beyond their natural limits. It is compulsory for winners to_be_tested (test) but other participants are only tested at random. Whats more (much), “genetherapy” will be the next big threat. In the future, athletes who have their genes changed (change) might be able to do better than they should be. So if doping and genetherapy continue to affect the outcomes of major sporting events, the word “hero” will have lost all meaning.用本单元所学知识完成写作训练(一)依据提示补全短文In this track and field competition, he was investigated for abuse of stimulants (兴奋剂). It not only damages the liver, but also disobeys the spirits of the sports. So to take it is absurd for him. Therefore (And/Therefore/Besides) such crime cannot be tolerated at_any_rate (无论如何). To ban players from doing so, peopleseek_for (寻找) various ways annually. Experts suggest players equip_them_with_knowledge (用知识武装他们)People hope that such incidents will_be_stopped_in_its_tracks (将被终止) in the near future. There is no doubt that their effort is not in_vain (白费)(二)按要求将词汇句式升级1用本单元高级词汇替换加黑单词(1)disobeysviolates(2)banprohibit2按要求进行句式改写(1)用which引导的非限制性定语从句合并句和句In this track and field competition, he was investigated for abuse of stimulants, which_not_only_damages_the_liver,_but_also_disobeys_the_spirits_of_the_sports.(2)用it作形式主语改写句So_it_is_absurd_for_him_to_take_it.(3)用it作形式主语改写句It_is_hoped_that_such_incidents_will_be_stopped_in_its_tracks_in_the_near_future.二、完形填空提能练(练专项)(限时：20分钟)(2020东北三省三校第一次联考)I felt very depressed the other day. The weather had been dark and rainy, and I just didnt feel so _1_.As I was sitting at my desk, I _2_ it was the birthday of a dear longtime friend a single, middleaged woman who has devoted the past 30 years to nursing and loving her _3_.Knowing that she didnt have family in town, I _4_ to give her a call. Sure enough, she was on her shift, _5_ to work late into the evening, and wouldnt have _6_ of a birthday this year. As always, though, she _7_ cheerful and was happy that I _8_.After I hung up, I couldnt _9_ the feeling that she would really appreciate a little attention on her special day. _10_ feeling a little depressed myself, I tried to put it out of my mind, but as the day passed, I couldnt shake the thought. I _11_ gave in, and set off to the hospital with a card, a cheese cake, and some balloons that evening. My friends grateful smile and joyful surprise _12_ me that Id done the right thing, and they were a generous _13_ for the little effort it had taken.When I got home, I realized that not only had I cheered up a _14_ friend on her birthday, but my own negative feelings had also disappeared. Making her day had _15_ my own! Isnt that the way it is _16_ we take the time and make the _17_ to do something for someone else? Its just like the saying, “Loving kindness is twice blessed; it blesses him who gives, and him who _18_.”Cheering up people on their birthdays isnt the only thing we can do to make their day. Life constantly presents us with _19_ to take an extra step or do a kind deed that will make a difference to _20_. And the wonderful thing is that as we do, it changes things for the better for us too.语篇解读：作者讲述了在自己心情不好的一天给一个从事护士职业的朋友过生日而得到的感悟：生活总是为我们提供机会，让我们多迈出一步或者做一件对别人有影响的善事。1A.specialBpositiveCnervous Dscared解析：选B根据空格前的“I felt very depressed the other day. The weather had been dark and rainy”可知，“我”的心情不好，positive“乐观的”，符合语境。2A.explained BcomplainedCremembered Dinformed解析：选C当“我”坐在书桌前的时候，记起今天是一个朋友的生日。故选C项。3A.family BtrainingCwork Dschool解析：选C根据空格前的“who has devoted the past 30 years to nursing”可知，她从事护士职业30年，说明她很喜欢自己的工作(work)。故选C项。4A.decided BcontinuedCagreed Drefused解析：选A根据语境可知，此处用decided表示“我决定给她打个电话”。故选A项。5A.surprised BdisappointedCbored Dprepared解析：选D根据前面的“Sure enough, she was on her shift”可知，这是她的当班时间，她准备工作到晚上，故选D项。6A.much BmanyClittle Dfew解析：选A此处表示“不会有太多的时间过生日”。many和few用来修饰或替代可数名词，故排除；little本身含有否定的意思，在此处可排除；故选much。7A.sounded BlookedCgrew Dfound解析：选A“我”打电话给她，她听上去很高兴。故选A项。8A.admitted BcalledCsucceeded Dapologized解析：选B参见上题解析。故选B项。9A.experience BimagineCshake Dunderstand解析：选C此处表示“我没法去除这种感觉”，应用shake，表示“去除，摆脱”。故选C项。10A.Almost BEvenCNever DStill解析：选D此处用“Still”表明作者仍然感到沮丧，与文章开头相呼应。故选D项。11A.luckily BfinallyCunhappily Dhardly解析：选B“我”的心情沮丧，“我”尽力去清理掉这种心情，但是经过一天的时间，还是没能摆脱，最终“我”屈服了。finally“最后，终于”，故选B项。12A.convinced BadvisedCpromised Dreminded解析：选A根据空格前面的“My friends grateful smile and