解析:北京市西城区2021-2022学年九年级上学期期末英语试题(解析版).docx
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1、北京市西城区2021-2022学年度第一学期期末试卷九年级英语2022.1注意事项:1 .本试卷共11页,共两部分,共39题,满分60分。考试时间90分钟。2 .在试卷和答题卡上准确填写学校、班级、姓名和学号。3 .试题答案一律填涂或书写在答题卡上,在试卷上作答无效。4 .在答题卡上,选择题用2B铅笔作答,其他试题用黑色字迹签字笔作答。5 .考试结束,请将考试材料一并交回。第一部分本部分共33题,共40分。在每题列出的四个选项中,选出最符合题目要求的一项。一、单项填空(每题0.5分,共6分)从下面各题所给的A、B、C、D四个选项中,选择可以填入空白处的最佳选项。1. All my teache
2、rs are patient when I ask for help.A. himB. usC. themD. you【答案】C【解析】【详解】句意:当我向老师们求助时,他们都很耐心。考查代词辨析。him他;us我们;them他们;you你。根据句意可知,空处是指“AH my teachers”,故应用 代词them代替。故选C。2. Peter usually plays the guitar in a music club Saturday afternoon.A. ofB. inC. alD. on【答案】D【解析】【详解】句意:Peter通常在周六下午在音乐俱乐部弹吉他.考查介词辨析。
3、of的:in后面接季节/年/月等;at后面接某一时刻;on后面接具体的某一天,根据空后 的“Saturday afternoon”是具体的某一天可知,空缺处应该用介词on,故选D。3. Whats your favorite saying?Smile at the world,the world will smile back at you.A. andB. butC. untilD. ifSome animals are “shapeshifting”. This means they are JAM? changing how their bodies work. Scientists h
4、ave found that birds beaks arc larger because of the changing climate (气候).Today, the global climate is rapidly warming.Scientists found warm-blooded animals can keep their body temperature constant (fa ). They are adapting io a hotter climate. To adapt means to change. Adaptations help animals stay
5、 alive in their environment.How Animals Cool OfTAnimals have to control their body temperature. If they do not, they can overheat. So animals have different methods to help them cool off. Birds, fbr example, use their beaks, which are not covered by feathers. They help birds reduce body heat. Mammal
6、s (哺乳动物),which breathe air, have backbones, grow hair and produce milk, use similar methods. They use their ears, tails and legs to help them control body temperature.Scientists have studied this in the past years. They have studied animals in warmer climates. They know that some of these animals ha
7、ve evolved (进化)certain features. These features allow animals to reduce body heat more easily. They arc becoming more obvious as the climate warms. This is particularly true in birds.Sara Ryding works at Deakin University in Australia and studies birds. Shapeshifting does not mean that animals are d
8、ealing successfully with climate change and that all is Ryding said. It just means they are evolving to stay alive. The study found that birds are changing the most. For example, several types of Australian parrots showed changes. Their beak size has increased since 1871. Their beaks arc now 4% to 1
9、0% larger. And that growth matches the summer temperature each year. Scientists have also reported changes in other animals. Tail lengths have increased in wood mice. Bats in warm climates have increased wing size, too. These changes might seem small, but Ryding says (ha( could change as the planet
10、becomes hotter.Ryding wants to keep studying “shapeshifting”. She will 3D scan museum bird samples (样品)from the past 100 years. She will see which birds are changing the size of (heir beaks because of climate change by studying digital copies of bird samples. Ryding thinks the climate change that we
11、 have created is putting pressure (压力)on animals, so humans should do more than just recognize the changes that animals have to make. She says that some animals will adapt. However, others will not.27. In ttshapeshifting,.A. birds breathe air and change backbonesbird samples are made into digital co
12、piesB. birds use (heir feathers to easily reduce body heatbirds, beaks grow larger because of climate change28. Which of the following would be the best heading for Paragraph 5 and 6?A. What Animals Look LikeB. All Is Not WellC. Though Life Is ChallengingD. It Is Worth A Try29. According to the last
13、 paragraph, Ryding probably agrees that.A. animals are suffering from human behaviortechnology wont end animal “shapeshifting”B. humans havent realized animal shapeshifting yetit is natural for animals to experience climate change【答案】27. D 28. B 29. A【解析】【分析】本文是一篇说明文。文章主要介绍了动物降低体温的方法以及变形并不一定是好的。【27题
14、详解】细节理解题。根据文章第一段中的Some animals are “shapeshifting”. Thisis largely because of the changingclimate”可知,在“变形”中,由于气候变化,鸟类的喙变大了,故选D。【28题详解】最佳标题题。通读第五段和第六段可知,第五、六段主要讲的是变形并不一定是好的,选项B”并非一切良 好”最符合第五、六段标题,故选及【29题详解】推理判断题。根据文章最后一段中的“Ryding thinksdo more than just recognize the changes that animalshave to make”
15、可推知,Ryding认为动物正遭受人类行为的折磨,故选A。DHow GPS Weakens Memory and What We Can Do about ItUsing mobile phones to navigate (导航)has become second nature. Whether youre heading to a new park or meeting friends at a restaurant, you just enter (he address on your phone and go. Without GPS, exploring (探索)and wayfin
16、ding in new places required preparation. We had to think, check paper maps, and plan and memorize ways there. But today (here is no need to think. Simply follow ihe lum-by-tuni directions on your phone, and you,ll end up where you need to be. However, your overall sense of the place suffers. Spatial
17、 (空间的)navigation used to be a process performed by the human brain and perceptual system, but now people have surrendered it to technology.There are areas of the brain that deal with these difficult path finding tasks. In particular, the hippocampus is related to spatial memory, spatial navigation a
18、nd mental (在脑中的)mapping. Studies show that we can exercise the hippocampus memory through exploration and spatial navigation. For example, expert navigators like London taxi drivers have larger hippocampi compared to other people.However, when we follow a set of turn-by-lurn directions, GPS navigati
19、on apps treat us as passive passengers rather than active explorers. In turn, this stops us from being able to create proper mental maps, and has an effect on the hippocampus, which is very important for brain health.While improvements in technology clearly have many benefits, we must remain mindful
20、 that technology can influence the brain. Our question is: Can wc find a way to still use GPS but reduce the harmful effects on memory?The challenge is to create other forms of GPS navigation that will remain easy enough for the general public, and at the same time, enable people to improve their sp
21、atial sense. Our research finds that properly designed audio beacons (音射j信标)offer a much more active form of GPS navigation. For example, with an audio beacon at a hospital, when we are two miles away from the hospital, we can hear a sound through our phone. In recent experiments, we discover that t
22、his type of sensoiy navigation through audio beacons docs better than turn-by-turn navigation in the creation of mental maps. Wc believe these results, at least in part, come from people taking a more active role in their navigation.GPS navigation using audio beacons offers a good example (hai helps
23、 humans connect more deeply with reality; perhaps instead of turning into mindless robots, we will be able to become more deeply involved with humanity, our local environment, and life itself.30. GPS weakens peoples memory because it.A. records the places people have been to B. offers people more th
24、an one way to a place C. takes the place of thinking process in wayfinding D fails to teach people how to prepare for exploringThe words “have surrendered it to” in Paragraph 1 probably means.B. have given it up toA. have compared it toC. have learned it fromD. have taken it away from31. London taxi
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