1、课时作业12Unit 4Section Listening and Talking & Reading for Writing .单句语法填空1They said goodbye to the villagers, with tears rolling (roll) down their cheeks.2The company made an announcement (announce) that they decided to introduce their products to Asia.3With the Spring Festival approaching (approach),
2、 the students are beginning to talk about their plans.4Henry, a boy from the countryside, is eager to_go (go) to a famous university, so he always works hard.5In the crowded (crowd) city, my father prefers walking to taking a bus.6In my opinion, it is important that we (should) value our friends ins
3、tead of phones in our real life.7She is very generous with her time, but mean with money.8He was_charged (charge) with taking dangerous products, which made us all surprised.9So far, large amounts of money have_been spent (spend) on that big project.10I will try my best, but cant ensure (sure) that
4、you will succeed this time.阅读理解AI wouldnt be surprised at all if you love doing sports. Sports are a very important part of human life. However, some are considered to be more dangerous, such as extreme sports. Because of the danger those sports can lead to, many people believe they should be banned
5、 (禁止). I strongly believe that extreme sports are not a danger and should not be banned. There are many reasons for letting them stay a part of our life. Firstly, extreme sports can increase confidence. Secondly, extreme sports challenge people and develop their skills. And last but not least, extre
6、me sports can add to a persons experience, determination and courage.Some people say that extreme sports are much too risky, and there is always a danger of serious injury or even death. But if you want to remove risks, you will have to avoid many other human activities like driving and traveling by
7、 plane. Even crossing a road is dangerous!Many popular sports in fact can make players injured easily. Football, basketball, gymnastics, figure skating and other sports can lead to bad results. Do you know that football is one of the most dangerous sports? A professional football player gets up to 2
8、00 injuries of different kinds every year! And the incidents where a player dies during the match are not very rare.Sports do not just have positive physical effects, but they also have mental and social benefits for those who take part in them. I think that taking away elements of risk, danger, and
9、 challenge would leave all sports meaningless. Our society will be healthier if more people take part in all types of sports. Banning dangerous sports only limits the freedom of choosing from a wide range of sports that people should feel free to take part in.Of course, if you want to take part in a
10、n extreme sport, you should always be well prepared. After all, safety comes first.【语篇解读】本文是一篇议论文。极限运动有一定的风险性，很多人倡议禁止极限运动，但作者不赞成这样做。1Why does the author mention such activities as driving and traveling by plane?ATo tell us to avoid such activities.BTo show extreme sports are really risky.CTo show ri
11、sks are common in our daily life.DTo tell us peoples attitudes toward extreme sports.答案与解析：C推理判断题。根据第二段的“But if you want to remove risks, you will have to avoid many other human activities like driving and traveling by plane. Even crossing a road is dangerous！”可知，作者是想表明风险在我们的日常生活里很普遍。2Which of the f
12、ollowing statements would the author agree with?AFootball is highly dangerous.BPopular sports hardly make people injured.CMost people seldom realize the danger of extreme sports.DProfessional football players know more about ways of avoiding injury.答案与解析：A推理判断题。根据第三段中的“Do you know that football is o
13、ne of the most dangerous sports? A professional football player gets up to 200 injuries of different kinds every year! And the incidents where a player dies during the match are not very rare.”可推测，作者认为足球运动也很危险。3Whats the authors attitude toward extreme sports?ADoubtful. BWorried.CNegative. DPositive
14、.答案与解析：D观点态度题。根据文章内容可知，作者认为极限运动不应该被禁止，因此他对极限运动持肯定的态度。4What would be the best title for the text?AShould Extreme Sports Be Banned or Not?BShould Children Play Dangerous Sports?CHow Do We Benefit from Risky Sports?DWhy Do People Love Football?答案与解析：A标题归纳题。根据文章内容可知，本文主要是围绕极限运动是否应该被禁止展开的。BOn any given d
15、ay, you can find most 10yearold boys throwing a ball around outside, riding their bikes, or playing video games. But Braden Baker is different.Braden is a hearing impaired (受损的) 5thgrader and has to wear hearing aids (助听器). Unluckily, Bradens dog Chewy found his hearing aids on the floor and destroy
16、ed them not once, but twice and they had to be replaced. But at $3,500 to $6,000 a pair, Bradens carelessness was costly.Bradens mother Ashley sat Braden down and had a long talk about taking better care of his hearing aids, explaining just how much they cost. “I told him that he was lucky we could
17、buy another pair and that some people couldnt afford a new pair，” Ashley said.Those words clearly stuck in Bradens mind, who realized that not every child who needed hearing aids could afford them. So recently, the 10yearold took it upon himself to start a GoFundMe page to raise money for those who
18、arent so lucky.Braden made a video to explain why he wanted to raise money. Ashley said, “We werent really sure how it would turn out. He began with a goal of $1,000. We woke up the next morning and found that it had raised $400.”This encouraged him to start making even more videos. Fastforward a fe
19、w months and Bradens GoFundMe page has raised over $15,000, which Braden donated to the Oticon Hearing Foundation. And that money will be used to help other families buy hearing aids for their children.The project has not only taught Braden the value of money, but according to his mom, “hes learned
20、that if you put a small idea into action, amazing things can happen.” As for Bradens advice to those looking for ways to give back to others? “Dont give up! Any small idea can get really big.”【语篇解读】本文是一篇记叙文。文章讲述了10岁的听障男孩发起筹资网页，帮助贫困听障儿童购买助听器的故事。5Why did Braden change his hearing aids?AHe wanted a bet
21、ter pair of hearing aids.BThe old pairs were destroyed by his dog.CHis hearing problem became more serious.DHe lost the old pairs because of his carelessness.答案与解析：B细节理解题。由第二段的第二句可知，Braden的狗找到并弄坏了他的助听器。6What has led to Braden starting a GoFundMe page?AHis mothers words about the usefulness of hearin
22、g aids.BHis mothers encouragement for him to do good things.CHis wish to help poor children with hearing problems.DHis need to buy a new pair of hearing aids.答案与解析：C细节理解题。由第四段中的“Bradens mind, who realized that. raise money for those who arent so lucky”可知，Braden了解到有些听障儿童买不起助听器，因此他想筹资帮助这些孩子。7How did B
23、raden and his mother feel when the page was started? AUncertain. BSatisfied. CHopeful. DUnexpected.答案与解析：A细节理解题。由第五段中的“We werent really sure how it would turn out”可知，一开始发起筹资网页时，Braden和妈妈都不确定结果会怎样。8What has Braden learned from working on the project?AOne should always use money smartly.BA small idea
24、can make a big difference.CVideoing is a good way to reach people.DIts important to dream big and hold on to it.答案与解析：B细节理解题。由倒数第二段中的“hes learned that if you. things can happen”可知，Braden通过筹资学到一件事：将小小的想法付诸行动，会有很棒的结果出现。.七选五Rainbows (彩虹) are one of the most beautiful works that nature creates. _1_ If y
25、ouve ever seen one, consider yourself lucky.Rainbows can be seen when light passes through raindrops, says Kristin Calhoun, a research scientist studying the conditions of weather.When sunlight passes through raindrops, the light bends, as it enters a droplet. As it leaves the droplet, the light sep
26、arates into different wavelengths (波长). _2_ The seven colors red, orange, yellow, green, blue, indigo and violet bend in seven different directions. Red light, for example, bends in a different way than violet light. _3_ It also explains why rainbows look like an arc (弧). Sometimes, however, rainbow
27、s can actually form a circle that you can see in a plane with the right conditions._4_ “There is an even better chance when the sun is at a lower level, early or later in the day，” Calhoun says. And another key is to face the rain and have your back to the sun._5_ “Small showers and storms often for
28、m in late afternoon in this area，” Calhoun says. “These types of showers often produce heavy rain, but remain isolated (孤立的) over the center of the island.” AThere are lots of stories relating to rainbows. BRainbows are created by light through raindrops.CAnd each wavelength appears as a different c
29、olor.DWith the conditions just right, Hawaii gets lots of rainbows.EThe best time to catch a rainbow is when its sunny and raining.FBut they can be seen only if you are in the right place at the right time.GThis is why the person on the ground sees each color at a different location.【语篇解读】本文是一篇说明文。彩
30、虹是大自然最美的作品之一，在什么样的条件下才能欣赏到美丽的彩虹呢？答案与解析：1F空前“Rainbows(彩虹) are one of the most beautiful works that nature creates”与F项内容形成转折关系，即彩虹虽然美丽，但人们必须在合适的时间和地点才能看见它。2CC项中的wavelength和color分别复现上文中的wavelengths和下文中的colors，起到承上启下的作用。3G空前的“The seven colors. bend in seven different directions. Red light, for example, bends in a different way than violet light.”与G项内容形成因果关系。4E本段涉及彩虹出现的天气条件，E项内容符合该话题，且E项中的“sunny and raining”与空后的“the sun”和“the rain”存在词汇复现关系。5D空后的“this area”和“the island”指代D项中的Hawaii，本段说明夏威夷气象条件合适，因此经常出现彩虹。
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