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课时作业(十九)必修4Unit 4 Body language(限时：35分钟).单项填空1_the experiment right，I tried again and succeeded.ANot having done BHaving not doneCNot doing DNot done2Mike wasnt happy about what Jason said, and _AI was nor Bnor was ICI was either Deither was I3At the beginning of the new term，the teacher asked several students to help_the new books to the students in the class.Apublish BdistributeCrepresent Dtreasure4The children were warned of not being too_about things they are not supposed to know.Astrange BamusingCcurious Dsatisfied52012山东卷 After completing and signing it, please return the form to us in the envelope _.A. providing B. providedC. having provided D. provide6“Dear Frank, when will our wedding be？”“Ah, when? God knows.” He said, and _ away from her, walked rapidly away.Aturning BturnedCturn Dto turn7The kitchen is often the busiest room in a household, so its important to make sure it _well.Asmoothes BfunctionsCpays Dmeasures8Janes always nervous when she has to make a speech; she must accustom herself to be _ when she is with people.Aat ease Bin disguiseCat risk Din relief9People in these countries demand equal treatment for all，_race, religion or sex.Ain defence of Bregardless ofCinstead of Din support of10Although the couple didnt choose to sleep in the wild instead of in the hotel, it_unexpectedly beautiful.Aturned up Bturned outCturned down Dturned around11The results of the sports meeting will be _ on Sunday morning.Aput away Bput offCput up Dput down12I guess weve already talked about this before but Ill ask you again just_Aby nature Bin returnCin case Dby chance13Have the peace talks broken down?Yes.Armed conflict is _ to break out between the two countries.Alikely BpossiblyCprobably Dgradually14Eric didnt feel at _ ease in the party，because he was afraid of losing _ face.Athe; a Ban; /C/; the D/; /15Would she mind playing against her former teammates?_She is willing to play against any tough players.AI think so. BIm not surprised.COf course. DNot likely!.阅读理解AUS researchers have found traces of an ancient lake on Mars recently, increasing hopes of discovering evidence that billions of years ago the red planet hosted life.The lake, which dates back some 3.4 billion years, appears to have covered as much as 80 square miles and was up to 1，500 feet deep, said the team from the University of Colorado.“This is the first clear evidence of shorelines on the surface of Mars，” said Boulders research associate, Gaetano Di Achille, in a study published in the latest edition of Geophysical Research Letters.“The identification of the shorelines and accompanying geological evidence allows us to calculate the size and volume of the lake, which appears to have formed about 3.4 billion years ago.”Analysis of the images has shown the water carved out the canyon(溪谷) in which it was found, which then opened out into a valley depositing(使淤积) sediment(沉积物) which formed a delta(三角洲)“Finding shorelines is a great discovery to us”， said assistant professor Brian Hynek, adding it showed the lake existed at a time when Mars was thought to have been cold and dry.Scientists believe the oldest surfaces on Mars formed during the wet and warm era known as the Noachan epoch, about 4.1 billion to 3.7 billion years ago.The newly discovered lake is believed to date from the Hesperian era and postdates the end of the warm and wet period on Mars by 300 million years, according to the study.Scientists believe deltas next to the lake may well hold secrets about past life on Mars as such places on Earth have become the natural deposits of organic carbon and other markers of life.16The size of the lake found on Mars is _A80 square miles B1，500 square milesC3.4 billion square miles D300 million square miles17When the lake existed, the weather on Mars was _Ahot and wet Bwet and warmCcold and dry Dcold and wet18Why do scientists think deltas near the lake may hold secrets about past life on Mars?ABecause similar places on Earth have become natural deposits of markers of life.BBecause someone has put secrets about past life on Mars there.CBecause past life has been found in other deltas on Mars.DBecause some people are said to have already seen life marks there.19Which of the following statements is NOT true according to the passage?AThe Noachan epoch was a wet and warm era.BThe lake might have existed 3.4 billion years.CThe discovery cant fully prove that the Mars once hosted life.DThe lake traces prove that there exists life on Mars now.BYawning is so contagious(具有传染性的) that chimpanzees can “catch” it from cartoons, according to research.Scientists from Emory University in Atlanta，US, have discovered that a cartoon of a yawning chimp will stimulate(刺激) real chimps to yawn. They describe in the Royal Society journal，Proceedings B，how this could assist in the future study of empathy(同感，共鸣)The work could also help explain if and how computer games might cause children to imitate what they see on screen.Previous studies have already shown contagious yawning in chimpanzeesstimulated by videorecorded footage of yawns.“We wanted to expand on that，” explained Matthew Campbell，a researcher from Emory Universitys Yerkes National Primate Research Center and lead author of the study.“Were interested in using cartoons for presenting stimuli to animals, because we can control all the features of what we show them，” he continued.Although Dr Campbell doesnt think the chimps were “fooled” by the cartoons into thinking they were looking at real chimps, he explained that there was evidence that chimpanzees “process animated(动画的) faces the same way they process photographs of faces”He said, “Its not a real chimpanzee，but it kind of looks like a chimpanzee, and theyre responding to that.”He and his team, including Devyn Carter who designed the cartoons, showed the animals the yawning sequences.“We also had the cartoons doing other movements with their mouths that the chimps often do，” he said.“The chimps showed a lot more yawning during the yawn video than when the control videos were playing.”He told BBC News that the only way he and his colleagues could explain the “very strong difference” they saw was that seeing the yawns was making the animals yawn.20According to the passage, the scientists have found that _Ayawning is a contagious facial expression among chimpsBchimps will imitate a cartoon chimp who is yawningCchimps are able to understand cartoons very wellDchimps like watching cartoons very much21According to the passage we can learn that _Ayawning on both cartoon videos and pictures can make chimps yawnBDevyn Carter led the study about contagious yawningCchildren will also be stimulated to yawn by the videos of chimpsDpeople can control all the features of animals through cartoons22By studying the action of chimps, the scientists hope to _Ateach them more body language of human beingsBlearn how chimps use their brains to studyCcontrol the actions and behaviors of animalsDcreate more charming cartoon characters23The passage is mainly talking about _Aa serious research about chimps body languageBthose contagious gestures of animalsCwhy children imitate what they see on TVDa study about chimps ability of imitating参考答案课时作业(十九).1.A考查非谓语动词。此处是非谓语动词作状语。非谓语的否定式是在非谓语动词前加not且其动作在谓语动词动作之前已经发生，故用现在分词的完成式，选A。2B表示“某人也不时”，应该用倒装句型“neither/nor助动词/系动词/情态动词主语”。3B考查动词词义辨析。publish印刷；出版；distribute分发；分配；represent代表；象征；treasure珍视；重视。由句意“让几个学生帮着给班内的学生发新书”可知应选B项。4C考查形容词辨析。strange奇怪的；amusing可笑的；curious好奇的；satisfied满意的。be curious about对好奇。句意：孩子们被警告不要对他们不应该知道的事太好奇。5B考查非谓语动词。句意：填完表格后，将其放入所提供的信封返回给我们。provide 与其所修饰的envelope是动宾关系，所以用过去分词作后置定语，表示“被动和完成”。6A分析句子结构可知，and前后连接的是两个接连发生的动作(“said” and “walked”)，因此考查的是非谓语动词，故正确答案是A，现在分词作伴随状语，表分词动作(turning)伴随主句动作(walked)发生。B项把原句and放在第二个逗号后，前后连接三个接连发生的动作，才可以选；C项从时态上可以排除；D项不定式表将来或目的，不合语境。7B考查动词辨析。function起作用，发挥功能，运转。句意：厨房通常是家里最忙碌的房间，因此确保它很好地发挥功能很重要。smooth 使顺利，抚平； pay 付款； measure 测量。8A考查介词短语辨析。at ease轻松，自由自在。句意：简做演讲时总是很紧张；当与他人在一起时，她必须使自己轻松自在。in disguise 假装； at risk 冒险； in relief 欣慰地。9B考查介词短语辨析。regardless of不管。句意：这些国家的人们要求平等待遇，不管种族、宗教或性别。10B考查动词短语辨析。turn out结果是。turn up出现；turn down 关小，拒绝；turn around 转身。11C考查动词短语辨析。put up张贴，符合句意。句意：运动会的结果将在星期日上午张榜公布。 put away 收起来； put off 拖延； put down 放下，镇压。12C考查介词短语辨析。in case 以防，万一。by nature 天生地；in return 作为回报；by chance 碰巧。句意：我认为我们以前已谈论过这个话题，但是我将再问一下以防万一。13A根据问句中的broken down可知，这两国间有可能发生武装冲突。be likely to do sth 很可能会做某事。注意：四个选项中，只有likely是形容词，在这里用作表语。14D考查冠词的用法。at ease(舒适、快活、自由自在)和lose face(丢脸)都是固定搭配，名词前均不加冠词。15D考查交际用语。句意：“她会介意与她之前的队友们对垒吗？”“不会！她喜欢与任何强劲的选手比赛。”I think so.我想是这样的。Im not surprised.一点也不奇怪。Of course.当然。Not likely！(大概)不会！此处表示不介意，所以选择D。.A本文记述了美国科学家对火星的探索情况。16A细节理解题。根据第二段可知答案为A项。17C细节理解题。根据第六段中it showed the lake existed at a time when Mars was thought to have been cold and dry.可知答案为C。18A细节理解题。由原文最后一句可直接得出答案。19D推理判断题。由第一段内容可知火星上湖岸线的发现只是增加了人们发现亿万年前火星上曾经存在生命证据的可能性，但并不能推出火星上现在有生命。B研究表明，黑猩猩会模仿动画片中黑猩猩的打呵欠动作，如果能充分利用黑猩猩的这种模仿能力，人类对动物行为的控制将取得重大突破。20B细节理解题。根据第二段第一句可知黑猩猩看到动画片中打呵欠的黑猩猩时，会进行模仿。21A细节理解题。根据第五段后半部分中的内容可知无论是动画片中还是图片中的打呵欠动作都可以让黑猩猩打呵欠。22C推理判断题。黑猩猩看到动画片中打呵欠的黑猩猩后会进行模仿，第四段的后半部分提到科学家可以控制所有的播放内容，由此可推断科学家希望通过研究黑猩猩的模仿行为来控制动物的行为和举止。23D主旨大意题。本文是一篇研究报道，第一段是文章的中心段，根据该段内容可知文章是关于黑猩猩模仿能力的一项研究。
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