Unit 21 Human Biology
[学生用书P154]
Ⅰ 单句语法填空
1．____________(fortune)，the fire was discovered soon after it broke out. 答案：Fortunately
2．The new plan was strongly ____________(oppose) by the people at the meeting. 答案：opposed
3．China and the United States have reached an agreement to import 14 extra foreign films ____________(annual)．
答案：annually
4．As we all know，many old people have a very limited ____________(tolerate) to cold.
答案：tolerance
5．The man said that the library was ____________(temporary) closed for repairs. 答案：temporarily
6．Good shoes，clothes and a backpack are the basic ____________(equip) you need for your hiking.
答案：equipment
7．Under ____________ circumstances will her parents allow her to marry such a selfish man.
答案：no
8．You could answer most of the questions now if you ____________(review) the lessons last night.
答案：had reviewed
9．He needn’t have stood in a queue；he should ____________(get) the ticket from the machine.
答案：have got
10．The disease robbed the girl ____________ the chance to be a famous dancer. 答案：of Ⅱ 单句改错
1．He offered to buy some equipments for the new school.____________________
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答案：equipments→equipment
2．She said under no circumstance would she give up her plan.____________________ 答案：circumstance→circumstances
3．At the meeting，most of us were opposed to carry out the plan.____________________
答案：carry→carrying
4．What was it that made him postpone buy a new house for his parents? ____________________
答案：buy→buying
5．I would go there on foot rather than to take a bus.____________________ 答案：去掉to
Ⅲ 单元语法——条件句和混合条件句；表示推测的情态动词 单句语法填空
1．If mother ____________(tell) me the truth，I wouldn’t have made such mistakes. 答案：had told
2．If you had studied harder before，you ____________(be) a college student now. 答案：would be
3．I didn’t hear the phone.I must ____________(be) asleep then. 答案：have been
4．I could ____________(work) out the problem，but I was too careless. 答案：have worked
5．The boy has failed again！He ____________(work) harder last term. 答案：should have worked
Ⅰ 教材与语法填空
根据课文内容，在空白处填入1个适当的单词或括号内单词的正确形式。
Athletic performances have 1.____________(continue) improved since the first Olympic Games.However，improvements 2.____________(begin) to slow down recently.While 3.____________(talk) about breaking records，we come across the issue of performance-enhancing drugs，4.____________ are originally developed to help people with illnesses，but they are often used by some athletes to perform 5.____________(well) than usual. 6.____________ other words，doping is a fundamental form of cheating.Unfortunately，it is difficult to catch athletes 7.____________(use) illegal drugs.The winners have to be tested 8.____________ other participants are
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only tested at random.New drugs are developed all the time and drug tests for sporting events are often one step behind.In the future another issue is gene-therapy.Athletes who have their genes 9.____________(change)might perform much better in the match.In today’s world，if doping and gene-therapy continue to 10.____________(affect) the outcomes of major sporting events，the Olympic spirit will have lost its meaning.
答案：1.continually 2.have begun 3.talking 4.which 5.better 6.In 7.using 8.while 9.changed 10.affect
Ⅱ 话题知识与写作
(Ⅰ)根据要求运用本单元所学知识完成下面小作文。
1．最近流感正在我国广泛传播，所以我们学校寻求有效措施，把这种疾病赶出校园。(seek；wipe out)
2．一些措施是强制性的。(compulsory)
3．在任何条件下我们都不能随意吃东西。(circumstance；at random)
4．我们每个学生应该开始着手做些事情来消除这种疾病。(get down to；rid...of) ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ (Ⅱ)下面是李华的一篇作文，文中有五处错误，改正错误并背诵该文。
Recently, the flu is spreading wide among people in our country, so our school is seeking effect measures to wipe out the disease. And some measures are compulsory. Under no circumstances we put some food in our mouths at the random. Each of the student should get down to the work to rid the disease of our school.
答案：
wide
Recently, the flu is spreading among people in our country, so our school
widelyis seeking
effect
measures to wipe out the disease. And some measures are
effective
∧
compulsory. Under no circumstances will we put some food in our mouths at the random.
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2020版高考英语新探究大一轮复习Unit21HumanBiology高效演练跟踪检测含2019届新题含解析北师大版
