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本文(2020-2021学年高中英语 课时分层作业9 Unit 21 Human Biology(含解析)北师大版选修7.doc)为本站会员(高****)主动上传,免费在线备课命题出卷组卷网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知免费在线备课命题出卷组卷网(发送邮件至service@ketangku.com或直接QQ联系客服),我们立即给予删除!

2020-2021学年高中英语 课时分层作业9 Unit 21 Human Biology(含解析)北师大版选修7.doc

1、课时分层作业(九)语言知识练习固基础.单句语法填空1It will be a long time before we finish this dictionary.2The critics seized on my mistake and said I was ignorant(ignore)3Of all the students Nora was the one who most deserved to be praised/praising(praise)4However, under his brave and determined(determine)appearance, ther

2、e is a heart full of hatred.5We must try to live in peace and harmony with ourselves and those around us.6The robbery(rob) occurred in broad daylight, in a crowded street.7The lawyer unearthed some new evidence concerning(concern) the case.8Are you here to fix the air conditioning equipment(equip)?9

3、Fortunately(fortune), the fire was discovered soon after it had started.10The victim is too scared(scare) to go out after dark.完成句子1该是他做出决定的时候了。It is time that he made up his mind2只要我们心里快乐,任何情况都会觉得快乐!If we are happy in our heart, we will be happy in any circumstance3她过去常从她父亲的抽屉里偷钱。She used to steal

4、money from her fathers drawer4由于市场需求下降,这家公司的生意每况愈下。The company has gone into a decline because of falling demand.5他去了澳洲,很快就发了大财。He went to Australia and soon made a fortune高考题型练习提能力.阅读理解Hawaii has become the second US.state to have discovered an outbreak of locally acquired Dengue Fever (登革热)Florida

5、 has been combating its own local outbreak since September 2009.The Hawaii Department of Health reported on March 24 it had discovered two cases and suspected two more.Since then, KGMB(a television station for the state of Hawaii)reports four confirmed and 12 suspected cases.Florida saw 85 locally a

6、cquired cases in 2009 and 2010.Dengue Fever and its far more serious variant(变种),dengue hemorrhagic(出血的)fever, are transmitted from patient to patient by the bite of a mosquito.It is reported that the Asian Tiger mosquito and the Yellow Fever mosquito are the two primary carriers for the illness in

7、the United States.Both mosquitoes are highly adapted to living around humans and are day feeders.The Asian Tiger mosquito has even evolved into a slower rate of beating its wings, which reduces the whine or hum typically noticed by people when mosquitoes are near.The Hawaii outbreak is centered arou

8、nd Pearl City on the island of Oahu.The Florida outbreak has been confined to the Key West area with one case in Broward County and another in MiamiDade.Dengue is caused by one of four related viruses.There is a vaccine for one of the four.It is possible to catch each of the viruses since infection

9、with one does not produce immunity for the others.It appears that initial infection, or the injection of the dengue vaccine, makes the patient significantly more susceptible (易受感染的) to dengue hemorrhagic fever.【语篇解读】登革热病人在美国的两个州被发现,这种病主要是由两种蚊子叮咬引起的。1What would be the best title of the passage?ATwo S

10、erious Fevers in HawaiiBDengue Fever Outbreak Hits HawaiiCDeadly Fever AdaptationsDTwo Dangerous MosquitoesB主旨大意题。由本文的首句我们可以看出,本条消息主要讲述的是登革热开始袭击美国的第二个州。2The underlined word “transmitted” in the second paragraph means “ ”AspreadBvariedCgrewDformedA词义猜测题。根据上下文我们可以推测,“传播;扩散”这个词义较符合该词在短文中的逻辑。3Which of t

11、he following can we infer from this text?ADengue hemorrhagic fever is more easily spread among humans.BOnly two kinds of mosquitoes carry diseases in the world.CDengue Fever outbreak is mainly found in Key West area in Hawaii.DThe Asian Tiger mosquito is less easily discovered by humans.D推理判断题。根据第二段

12、最后一句的内容我们可以知道,亚洲虎蚊(Asian Tiger mosquito)在飞行的过程中,翅膀震动的速度很慢,产生的声音很小,因此不容易被人发现。4From this text we know that Adengue vaccine makes the patient suffer from dengue hemorrhagic fever more easilyBso far only one vaccine has been developed to cure Dengue FeverCa person who suffers from Dengue Fever harm his

13、immune systemDit is becoming more and more dangerous for humans to live in this worldA细节理解题。由本文的最后一句我们可以知道,如果感染了登革热,就非常容易感染登革出血热。B“Youre leaving again?”asked my daughter as she saw me packing my carryon.More than her words, it was her face that pierced (刺穿)my heartI could see how crestfallen she was

14、.“Its only for two nights,”I explained.But that didnt matter to her. It was just one more trip after barely being home for five days. I decided in that moment to travel less whenever possible and I managed to avoid flying altogether for most of the summer. As a result, it was a summer full of discov

15、eries. I realized that my kids really were proud of me. In their time away from me they had learned lessons I couldnt have imagined.Recently I began traveling a lot again. But this time it was different, mainly due to the fact that I had seen firsthand that my children value strong female role model

16、s. They realize that hard work pays off. Being away from them even for a day at a time in many ways had done them a lot of good.In particular, being a working mom is teaching my daughter how important it is to be independent and that you can follow your dreams. In many ways, her idea of a profession

17、al woman is much more realistic than what I imagined when I was her age. I think that even at nine years old she already knows that for all the success you might achieve, there is a price to pay,whether its long hours, spending time away from those you love, or simply not having the energy to have f

18、un at times. I know the wishes I would devote all of my time to her, but honestly, even if I didnt work I would rather she learned not to depend on me for everything, she needs to realize that she can fly on her ownand that isnt possible if I am hovering over her every single second of the day.I hav

19、e also realized that having a career sets a good example for my son. He is not afraid of a strong woman, and has a great respect for them.When hes older, this will help him build healthier relationship.Therefore, for all the working moms out there who work long hours,remember to value the positive l

20、essons you might be teaching your kids.【语篇解读】作者通过亲身经历告诉我们职业母亲对孩子们的积极影响,孩子们会从中受益很多。5The underlined word “crestfallen” in Paragraph 2 can best be replaced by “ ”AupsetBexcitedCluckyDguiltyA词义猜测题。根据第一段中的“Youre leaving again?”和第二段中的“More than her words,it was her face that pierced(刺穿)my heart.”可知作者又要出差,

21、从女儿的话语和表情都能看出孩子不高兴,沮丧。crestfallen垂头丧气的,气馁的。故选A。6How did the author feel about traveling a lot after the summer?AShe felt even worse than ever.BShe felt quite proud of herself.CShe felt very sorry for her kids.DShe felt much better than before.D推理判断题。由第四段中的“I decided in that that moment to travel les

22、s.they had learned lessons I couldnt have imagined.”及第五段中的“But this time it was different,mainly due to the fact that.”可推知,在那个和孩子们一起度过的夏天,作者惊喜地发现孩子们在和她分开的日子里学到了很多意想不到的东西。 因此,之后作者出差时感觉好了很多。7The author hopes that her daughter will Abecome more and more independentBbe realistic about all her problemsCb

23、ecome a very successful ladyDbecome an honest personA推理判断题。根据倒数第三段第一句“In particular,being a working mom is teaching my daughter how important it is to be independent and that you can follow your dreams.”及最后一句可知作者希望女儿像妈妈一样越来越独立。故选A。8What is the authors main purpose in writing the text?ATo tell storie

24、s about her two kids.BTo show how to teach kids about careers.CTo encourage women to work as hard as possible.DTo prove kids can benefit a lot from working moms.D写作意图题。根据倒数第三段第一句中的“.being a working mom is teaching my daughter how important it is to be independent and that you can follow your dreams.

25、”倒数第二段第一句“I have also realized that having a career sets a good example for my son.”和最后一段内容可知作者告诉我们职业母亲对孩子们的积极影响,孩子们会从中受益很多。故选D。.短文改错As winter vacation are coming soon,my classmates are trying very hardly to get train tickets to go home. But I have made up my minds to spend the vacation far from hom

26、e for first time in my life. My parents have agreed to visiting me, and I will have a different vacation. When they came here, I will show them around my university and the city just as well. I have decided to buy them some nice gifts. It will be a big surprising for them. My parents have done a lot

27、 to me, and I think it is high time that I did anything special to express my thanks.答案As winter vacation coming soon,my classmates are trying very to get train tickets to go home. But I have made up my to spend the vacation far from home for first time in my life. My parents have agreed to me, and I will have a different vacation. When they here, I will show them around my university and the city as well. I have decided to buy them some nice gifts. It will be a big for them. My parents have done a lot me, and I think it is high time that I did special to express my thanks.

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