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1、Unit 21Human Biology(A卷).单句语法填空1Its high time that we got down to _ (deal) with the problem of food safety.答案：dealing2He neednt have stood in a queue；he should _(get) the ticket from the machine.答案：have got3It is unwise to pursue economic development _ the cost of the environment.答案：at4There are sti
2、ll many people suffering a lot，and we are to do something to wipe _ poverty.答案：out5You could answer most of the questions now if you _(review) the lessons last night.答案：had reviewed6Make sure that all the plans must _ (submit) by Tuesday.答案：be submitted7He tried to persuade me to give up smoking，but
3、 _ vain.答案：in8The boy，though brought _ in the countryside，has a strong interest in the colorful city life.答案：up9It is necessary to prohibit people _(use) mobile phones in some places.答案：using10Please equip yourself _ a sharp pencil and a rubber for the exam.答案：with.阅读理解(2016陕西五校联盟高三模拟)It seems hard
4、to watch someone yawn and not to yawn ourselves.Even reading about yawning can make you do it.Now，a new study has found why yawning has such a powerful force.Yawning when others yawn，the study suggests，is a sign of pity and a form of social connection.Kids dont develop this deeply rooted behavior un
5、til around age four，the study found.Kids with autism (自闭症) are less likely to catch yawns.In the most serious cases，they never do.Yawning might help doctors to see whether the children are developing rightly.The work could also lead to a better understanding of the ways that people communicate and c
6、onnect.“Emotional infection seems to be a born thing that connects us together，” said Molly Helt，a graduate student in psychology at the University of Connecticut.“Yawning may be part of that.” Inspiration for her study came when she tried to get her own autistic son to clear his ears on an airplane
7、.She repeatedly yawned at him，hoping he would yawn back.He never did.“The fact that autistic kids dont do it might mean theyre really missing out on that emotional connection with people around them，” she said.“The biggest thing people try to figure out after birth is how we become humans and unders
8、tand that humans have minds that are different from others，” she added.“Autistic people never seem to understand that.”Like infectious (有感染力的) laughter and crying，scientists have found that yawning is a shared experience that promotes social connection.Helt said it could fight stress after a period
9、of being nervous and spread a feeling of calm through a group.【文章大意】最新研究显示：打哈欠是怜悯心和社会关系的一种表现形式，会在人与人之间相互传染。打哈欠是人们之间的一种情感交流方式，是人们之间沟通的纽带，打哈欠能使人放松。1What does the new study suggest，according to the first two paragraphs? AYawning is a form of communication.BIt is easy to stop yawning when you see others
10、 yawn.CChildren follow others in yawning just after they are born.DYawning has some mysterious force which is related to God.A解析：细节理解题。根据文章第一、二段的描述可知，打哈欠是怜悯心和社会关系的一种表现形式，会在人与人之间相互传染。故A正确。2According to Molly Helt，_.Ahumans differ from animals because they communicate with others Byawning is a kind of
11、 emotional connection among humansCemotions are infectious，but yawning is notDyawning helps clear ears on planesB解析：细节理解题。结合文章第三、四段可知Helt通过患有自闭症的儿子对打哈欠“启而不发”的情况意识到打哈欠是人们之间的一种情感交流方式，是人们之间沟通的纽带。故B正确。3Which of the following is NOT true about yawning?AIt is natural to yawn back if people around you yawn
12、.BSome kids are too young to yawn after others.CYawning can be used to test childrens development.DKids with autism yawn easily when others yawn.D解析：细节理解题。根据文章描述可知，看到别人打哈欠就会回应是人的一种自然反应；孩子们从四岁开始就会对别人的打哈欠有反应；心理学家也能通过打哈欠的测试了解孩子的心理发展进度，故A、B、C项说法均正确；根据第三段可知自闭症患者对打哈欠的反应不如常人。故D正确。4The author implies in the
13、 last paragraph that _.Ayawning is different from infectious laughter and crying in theoryBit is bad manners to yawn on some social occasionsCthe more you yawn，the happier you will beDyawning can make people feel relaxed D解析：推理判断题。根据最后一段的Helt said it could fight stress after a period of being nervou
14、s and spread a feeling of calm through a group.可知打哈欠能使人放松。故D正确。.完形填空(2016山西太原市高三模拟)Uncle Bruce has been my most influential role model.I admire him because he has _1_ me into the person I am today by teaching me about respect and responsibility and that anything_2_ having takes a lot of hard work.Th
15、e most important thing he has _3_ me is how to think.He always says，“You can learn something from everyone，_4_ its what not to do.” He always does what he _5_.If he says，“Ill pick you up at seven on Thursday，” it will _6_.Also，Bruce is the kind of person who actually _7_ you.Uncle Bruce was in the army for 20 years and went through some terrible _8_，but he hasnt let them affect him _9_.After hearing his stories about alcoholand drugrelated _10_，I have no interest in doing anythi
