2020-2021学年高中英语Unit21HumanBiologySectionLesson2lesson3课后演练提能北师大版选修7经典实用

1、unit 21 human biology section lesson 2 & lesson 3 03课后演练提能夯实·基础知识. 单词拼写1. the store stays open to midnight to c_ for late­night shoppers.答案：cater2. the police had to make a forcible e_ into the house where the thief was hiding.答案：entrance/entry3. students of his age objected to being t

2、_ like children.答案：treated4. following the heavy rain, the s_ tanks were filling up again.答案：storage5. the meeting was p_ on account of the chairman's illness.答案：postponed6. let us u_ to fight against poverty and disease.答案：unite7. the doctors are making an _ (尝试) to prevent cancer cells spreadi

3、ng.答案：attempt8. in some developing countries more and more people are migrating (迁移) to _ (城市的) areas.答案：urban9. please _ (擦) the table with a dry cloth.答案：wipe10. the film was a _ (完全地) success.答案：thorough. 选词填空1. the moment we arrived, we _ work.答案：got down to2. i _ the written papers but failed i

4、n the oral examination.答案：got through3. i'll let you know if anything _.答案：es up4. she was _ by her grandparents after her parents died.答案：brought up5. this soup _ tomatoes, meat and peas.答案：consists of. 完成句子1. don't stand _.站着时别把双手插在口袋里。(with的复合结构)答案：with your hands in your pockets2. she we

5、nt on playing the puter game, _.她让水哗哗地流着，继续玩电脑游戏。(leave的复合结构)答案：leaving the water running3. the manager has promised to _ as a secretary.经理答应要试用我当秘书。答案：give me a trial4. the government should take measures to _.政府应采取措施阻止这场流行病的传播。答案：stop the epidemic in its tracks5. the high cost _ many students _ ta

6、king up this course.昂贵的费用令许多学生们对这项课程望而却步。答案：prohibits; from.单句语法填空(不多于3个单词)1. _(call) me tomorrow and i'll let you know the lab result.答案：call 句意：明天给我打电话，我就告诉你实验结果。考查特殊句式“祈使句and陈述句(一般将来时)”。故填call。2. della, with a sad smile on her face, lay on the grass with her beautiful­looking arms _ (cro

7、ss) under her small head.答案：crossed句意：della，脸上带着伤心的微笑，躺在草地上，她的好看的手臂交叉放在她的小头下面。分析结构可知，此处为with复合结构，宾语her beautiful­looking arms与cross之间为被动关系，故用过去分词作宾补。3. above all, you should have faith _ yourself.答案：in“have faith in sb.”相信某人。4. chinese customs regulations prohibit _ (take) precious works of art

8、 out of china.答案：takingprohibit后接动词doing形式。句意：中国海关条例规定禁止将珍贵的文物带出中国。5. the matter related _ your fate cannot be taken for granted.答案：to句意：和你命运相关的事情不能想当然。“related to”与相关的。6. michael's new house is like a huge palace, _ (pare) with his old one.答案：pared句意：和老房子比起来，迈克尔的新房子简直像一个巨大的宫殿。“pared with”为固定短语，

9、与比起来。7. it's not doing the things we like, but liking the things we have to do _ makes life happy.答案：that 句意：不是做我们喜欢的事情而是去喜欢我们必须做的事情才能让人生幸福。本题考查强调句，故填that。not doing the things we like, but liking the things we have to do为被强调部分。8. see you.i have to get down to _ (finish) my report which must be h

10、anded in tomorrow.答案：finishing“get down to”开始着手，其中to为介词，后接v.­ing形式。9. the earthquake destroyed the houses, but their owners refused to leave there because they were attempting to _ (build) them.答案：rebuild句意：地震毁坏了那些房子，但房子的主人拒绝离开那儿，因为他们正在努力重建它们。“rebuild”重建，合乎句意。10. he got to the station early, _

11、fear of missing his train.答案：for“for fear of”以免，以防。句意：他早早到达车站，以防错过火车。提升·实战能力. 阅读理解ahopefully, many of you will begin a new year with a fresh start and a few new year's resolutions to make this year better than last. why not create a more eco­friendly house this year? i am not remending

12、 you paint your house green; a few simple solutions could make you feel better about your environmental impact and save you money on your energy bill this winter!did you know that 4070 percent of all of your home energy is pletely wasted? the 10 biggest energy users in your house are. obviously, the

13、 best way to save energy is to buy new, energy­efficient appliances. of course, this is not always practical. a few different tricks can still save you energy.just switching out your light bulbs can have an impact on your home energy use. cfl light bulbs may be more expensive, but they last muc

14、h longer and save 75 percent of the energy. if you have any air conditioner window units that cannot be removed, try to cover the vents (排气孔), both inside and out. this will protect the unit and at the same time, remove any cold air that could be entering your home. this simple and almost cost­

15、free solution is a great way to lower utility bills.did you ever think that planting trees around your yard would help with energy efficiency? when the weather warms up, adding to your landscaping is a beautiful way to cut energy for a relatively poorly insulated house. the leaves of trees, especial

16、ly on the west side of your house, will block the sunlight that would warm your house, reducing the need for air conditioner. during the winter, when tree branches are bare, more sunlight is let through, warming the house.creating a more sustainable house is just one idea of how you can give back to

17、 our planet this year. there are thousands of ways that you can bee more eco­friendly, from the food you eat to the clothes you buy to the car you drive.语篇导读：随着新年的接近，你想不想使你的家中焕然一新？这里教你几个窍门既能装饰你的房子又能减少支出。1. what does the passage mainly talk about?a. how to carry out a green resolution in your ho

18、me.b. how to produce home energy in the new year.c. what to do with the people who waste energy.d. what to take to build green homes effectively.答案：a主旨大意题。作者在文中讲述了用小窍门改造你的住所，达到节能的目的。首段中的“. a few simple solutions could make you feel better.”暗示了主题。故选a。2. why does the author remend his ideas?a. to make

19、 you house look much greener.b. to beatify your house in a simply way.c. to save energy and reduce your expense.d. to have a unique start in the new year.答案：c细节理解题。根据第一段中的“. save you money on your energy bill this winter！”可知，作者推荐这些方法的目的是让人们在冬季既做环保节能又节省开支。故选c。3. if you choose cfl light bulbs for your

20、 home it means _.a. you spend less money on the bulbsb. one­time investment can save a lotc. you have chosen a convenient wayd. throwing all the light bulbs away答案：b细节理解题。根据第三段第二句中的“. but they last much longer and save 75 percent of the energy.”可知，节能灯灯泡，可能是更贵，但它们持续更长时间，节省百分之七十五的能源。故b项陈述与此处意义一致。

21、4. planting a tree west of your house _.a. can make your room cool in the morningb. can provide you a wonderful landscapec. can block the sunlight into your roomd. can give you a way to save your money答案：d推理判断题。根据第四段可知，树上的叶子，尤其是你的房子西侧，会遮挡强烈的阳光，这样将减少对空调的需要。这必然会让你节省开支。故选d。5. it can be inferred from th

22、e passage that _.a. it is better to purchase green foodb. it is easy to bee eco­friendly at homec. it is interesting to use an eco­friendly wayd. it is affordable to get eco­friendly appliances答案：b推理判断题。根据文章尾段可知，有众多的轻松方式可以做到环保节能，故选b。 bafrica is a large and varied continent containing

23、some of the oldest civilizations on earth. it is home to a wide diversity of religions and cultures, and this colorful diversity is reflected in its diverse and colorful weddings traditions.an african wedding is, more than anything, the bringing together of two people as a single family, or the bini

24、ng of two families. the concept of family is one of the uniting ideas of the african continent. there are more than 1 000 cultural units in africa and each culture, each tribe having its own wedding and marriage traditions, many of which can trace their origins back hundreds or even thousands of yea

25、rs. there are also many different religions represented in africa. many northern africans, especially, have been influenced by muslim traditions, while further south there are more christian, hindu, and even jewish traditions with more ancient traditions.in many places in africa young girls are trai

26、ned to be good wives from an early age. they may even learn secret codes and secret languages that allow them to talk with other married women without their husbands understanding what is being said.depending on which part of africa you are in, wedding ceremonies can be extremely elaborate,_some las

27、ting many days. often huge ceremonies are held during which many couples are united at the same time.in sudan and in other areas along the nile a man must pay his wife's family in sheep or cattle for the loss of their daughter's labor in support of the family. a wife may cost a man as many a

28、s 30 to 40 head of cattle. in somalia a man is allowed to have as many as four wives if he can support them all, and it is not unmon for a girl to be engaged before she is even born.bright festive colors, song, dance, and music are vital elements of many african wedding ceremonies. mon to all weddin

29、g ceremonies is the concept of changing between childhood and adulthood.语篇导读：非洲是地球上最古老的、人口众多的地方。同时也是多种宗教和文化的发源地，文化的多样性反映在传统婚礼上。本文对此作了介绍。1. when two young get married in africa it means _.a. they will explore a wide diversity of religionsb. they will live together for the rest of their lifec. they will contribute to the union of african tribesd. they will have a chance to enjoy their romance答案：c细节理解题。根据第二段一、二句可知，非洲婚礼，不仅是一个单家庭的成立，或者两家的结合，而是非洲大陆团结的意义。故选c。2. what can we learn from the second paragraph?a. all the tribes in africa have the same