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1、Unit 21Human Biology一、单元跟踪过关.单句语法填空1Robbed (rob) of her gold necklace, which is meaningful to her, she became unhappy.2Nobody can tolerate being_cheated (cheat), and thats why he has no friend.3Equipped (equip) with new scientific farming methods, they have been able to use less farmland than in the
2、 past.4We cant submit to the fate. Instead, we should take a positive attitude to the present situation.5More and more people are tending to read books by computers or phones rather than go (go) to library to read books.6The meeting which is reported to_be_held (hold) this month has been put off til
3、l the end of next month.7His disability prohibited his going (go) to university.8Its very dangerous for children to cross the busy street.9They always look for excuses to postpone doing (do) something.10If Bob had_come (come) here yesterday, he could have seen Jackie Chan.单句改错1I hate it when people
4、speak ill of me from my absence.fromin/during2The more time I spend with my pet dog, the well I like it.wellbetter3Ill show you to a store tomorrow when you can buy what you need.whenwhere4Granny likes square dancing. It is great fun and a good exercise as well as.将后一个as删除5The little girl always rem
5、ains silent in class unless asking to answer questions.askingasked6The gold medal will go to whomever crosses the line first.whomeverwhoever7The manager has made clear that he will retire at the end of this year.在made后加上it8These trousers look nice on me. I wonder how much do they cost.将do删除9The shop
6、keeper did not want to sell for which he thought was not enough.whichwhat10If he passed the driving test last week, he wouldnt have to practise so hard now.在passed前加上had.完成句子1他站在那里，不知道在他身上将会发生什么。He stood there, not knowing what was_about_to_happen_to him.2急救中心配有装备，可处理这种灾难。The emergency services are
7、equipped_to_deal_with disasters of this kind.3我对他很有信心。I have great faith/confidence_in_him.4过去的几周里，他的健康状况变得越来越坏。His health has been_declining these past few weeks.5假使你不来，你就会错过所有的美食。If you dont come, youll_miss_out all of the good food.二、高考模拟写作(2017湖北联考)假定你是李华，你今天在21st Century上看到一则乱扔垃圾砸伤行人的报道，打算就此事用英
8、文给该报写一篇文章谈谈你的看法。文章内容包括：1事件报道；2看法；3建议。注意：1.词数100左右；2文章的开头已为你写好(不计入总词数)；3可以适当增加细节，以使行文连贯。In todays newspaper, an accident was reported._答案：范文赏读In_todays_newspaper,_an_accident_was_reported. Someone was badly hurt by a bottle thrown out of a window of a building. Actually, if we look around, we will fi
9、nd that things of this kind are not uncommon.Cigarette ends, cans, plastic bags and bottles can be seen here and there.Needless to say, such behavior will ruin our environment and become a bad habit if we do nothing. In my opinion, every one of us should first of all make sure that we dont throw rub
10、bish around ourselves.What is more, we should persuade others not to do so.And finally, rules should be made to stop such behavior.Only in this way can we create a better environment and live more happily.大题巧练21Unit 21Human Biology授课提示：对应学生用书第305页A卷一、阅读理解A(2016浙江卷)Two things changed my life: my moth
11、er and a white plastic bike basket. I have thought long and hard about it and its true. I would be a different person if my mom hadnt turned a silly bicycle accessory into a life lesson I carry with me today.My mother and father were united in their way of raising children, but it mostly fell to my
12、mother to actually carry it out. Looking back, I honestly dont know how she did it. Managing the family budget must have been a very hard task, but she made it look effortless. If we complained about not having what another kid did, wed hear something like, “I dont care what soandso got for his birt
13、hday, you are not getting a TV in your room/a car for your birthday/a lavish sweet16 party.” We had to earn our allowance(零用钱) by doing chores around the house. I can still remember how long it took to polish the legs of our coffee table. My brothers can no doubt remember hours spent cleaning the ho
14、use. Like the two little girls growing up at the White House, we made our own beds(no one left the house until that was done) and picked up after ourselves. We had to keep track of our belongings, and if something was lost, it was not replaced.It was summer and, one day, my mother drove me to the bike shop to get a tire fixedand there it was in the window. White, shiny, plastic and decorated with flowers, the basket winked at me and I knewI knewI had to have it.“Its beautiful，” my mother said when I pointed
