1、课时作业(十)Unit 4Section Warming up & Reading.阅读理解AThe popularity of bicycling continues to rise, and it is no surprise. Its fun, healthy and ecofriendly. Maybe thats why there are 1. 4 billion bicycles and only 400 million cars on roads worldwide today. Bikes can take you almost anywhere, and there is
2、no fuel cost !Hop on a bicycle and ride around your neighborhood. You may discover something new in your community. Stopping and getting off a bike is easier than stopping and getting out of your car. In many communities, you can bike to work and benefit from exercise without polluting the environme
3、nt. You dont even have to ride all the way. Folding bikes work well for workers who ride the train. Just fold the bike and take it with you. Have you ever thought about bicycling across a foreign country? Its a great way to experience another culture, see beautiful scenery and meet friendly people.
4、Bicycle enthusiast Goran Kropp bicycled across not just one country but several. He rode a remarkable 11, 000 km from his home in Sweden to Nepal and then climbed Mount Everest! And now, bicycling across a country to raise money for a charity or to advertise a cause is also popular.To encourage peop
5、le to bike, many cities in Europe have established bikeshare programs. In Paris, for example, thousands of bikes are parked at bike stations around the city. Users can rent bikes at any station. The first halfhour of use is free. After that, users pay a small fee. When they finish riding, they simpl
6、y park their bikes at any station. For people who dont want to drive, the bikes are an excellent alternative(替代品) to buses and taxis, which burn fuel and cause pollution.As a result of the success of bike plans in Europe, theyre spreading to the US, Australia and other countries as well. Look for on
7、e in your city soon. 1We can learn from the passage that _.Abikes are becoming more and more popularBbikes save peoples timeCbikes have increased in priceDbuses and taxis will be replaced by bikes2According to this passage, workers in some cities can take their bikes _.Ato concerts and festivalsBint
8、o their company officesCto large recreational areasDonto public transportation3When do the bike riders in Paris have to pay a fee?AWhen they damage the bikes in an accident.BIf they ride the bikes for over thirty minutes.CAfter they receive a bill in the mail for a ride.DBefore they rent the new bik
9、es at any station.4We can infer from Paragraph 3 that _.Amany people can use the same bikesBthe bikes arent likely to break downCriders can keep the bikes for monthsDpeople can ride bikes to save moneyBSince the first Earth Day in 1970, Americans have gotten a lot “greener” toward the environment. “
10、We didnt know at that time there even was an environment, let alone that there was a problem with it，” says Bruce Anderson, president of Earth Day USA.But what began as nothing important in public affairs has grown into a social movement. Business people, political leaders, university professors, an
11、d especially millions of grassroots Americans are taking part in the movement. “The understanding has increased many，many times，” says Gaylord Nelson, the former governor from Wisconsin, who thought up the first Earth Day.According to US government reports, emissions (排放) from cars and trucks have d
12、ropped from 10. 3 million tons a year to 5. 5 tons. The number of cities producing CO beyond the standard has been reduced from 40 to 9. Although serious problems still remain and need to be dealt with, the world is a safer and healthier place. A kind of “green thinking” has become part of practices
13、.Great improvement has been achieved. In 1988 there were only 600 recycling programs; today in 1995 there are about 6,600. Advanced lights, motors, and building designs have helped save a lot of energy and therefore prevented pollution.Twentyfive years ago, there were hardly any education programs f
14、or environment. Today, its hard to find a public school, university, or law school that does not have such a kind of program. “Until we do that, nothing else will change！” say Bruce Anderson.5According to Bruce Anderson, before 1970，Americans had little idea about_.Athe social movementBrecycling tec
15、hniquesCenvironmental problemsDthe importance of Earth Day6Where does the support for environmental protection mainly come from?AThe grassroots level.BThe business circle.CGovernment officials.DUniversity professors7What have Americans achieved in environmental protection?AThey have cut car emission
16、s to the lowest.BThey have settled their environmental problems.CThey have lowered their CO levels in forty cities.DThey have reduced pollution through effective measures.8What is especially important for environmental protection according to the last paragraph?AEducation BPlanning.CGreen living. DC
17、O reduction.阅读七选五If anyone had told me three years ago that I would be spending most of my weekends camping, I would have laughed heartily. Campers, in my eyes, were people who enjoyed insect bites, illcooked meals, and uncomfortable sleeping bags. They had nothing in common with me. 1._.The friends
18、 who introduced me to camping thought that it meant to be a pioneer. 2._We slept in a tent, cooked over an open fire, and walked a long distance to take the shower and use the bathroom. This brief visit with Mother Nature cost me two days off from work, recovering from a bad case of sunburn and the
19、doctors bill for my sons food poisoning.I was, nevertheless, talked into going on another funfilled holiday in the wilderness. 3._Instead, we had a popup camper with comfortable beds and an air conditioner. My natureloving friends had remembered to bring all the necessities of life.4_ We have done a
20、 lot of it since. Recently, we bought a twentyeightfoot travel trailer complete with a bathroom and a builtin TV set. There is a separate bedroom, a modern kitchen with a refrigerator. The trailer even has matching carpet and curtains.5_ It must be true that sooner or later, everyone finds his or he
21、r way back to nature. I recommend that you find your way in style. AThis time there was no tent.BThings are going to be improved.CThe trip they took me on was a rough one.DI was to learn a lot about camping since then，however.EI must say that I have certainly come to enjoy camping.FAfter the trip, m
22、y family became quite interested in camping.GThere was no shade as the trees were no more than 3 feet tall.课时作业(十).阅读理解A【语篇解读】本文介绍了骑自行车在大城市变得更加流行。它既有趣，又健康环保。1答案与解析：A细节理解题。根据第一段第一句话“The popularity of bicycling continues to rise, and it is no surprise.”可知骑自行车变得越来越流行。2答案与解析：D推理判断题。根据第二段“Folding bikes w
23、ork well for workers who ride the train. Just fold the bike and take it with you.”可知折叠自行车很适合那些乘火车的人。只需要折叠好就能随身携带。3答案与解析：B细节理解题。根据第三段“The first halfhour of use is free. After that，users pay a small fee.”可知前半个小时是免费的。半个小时后，用户需要付很少的费用。4答案与解析：A推理判断题。根据第三段第一句话“To encourage people to bike, many cities in E
24、urope have established bikeshare programs.(为了鼓励人们骑自行车，很多欧洲城市实施了公共自行车计划)”。和第三句话“Users can rent bikes at any station(用户可以在任何停车点租车。)”以及第六句话“When they finish riding, they simply park their bikes at any station.(当他们骑完后，可以停在任何一个停车点。)”综上所述，可知人们可以共用一辆自行车。B【语篇解读】在文章中作者介绍了自从1970年第一个地球日设立以来，美国的环境问题有了很大的改善。以前在公
25、共事务中无足轻重的环境问题现在成了一项社会问题。从科学家到大学教授再到平民百姓都有了环保意识。而且作者指出教育在这种变化方面也起着非常重要的作用。5答案与解析：C细节理解题。根据文章首段Bruce Anderson说的话“We didnt know at that time there even was an environment, let alone that there was a problem with it，”可知当时人们不知道环境这个概念，更别说环境问题了。由此可知答案选C。6答案与解析：A细节理解题。根据文章第二段中的“Business people, political le
26、aders, university professors, and especially millions of grassroots Americans are taking part in the movement.”可知商人，政界领导，大学教授，尤其是平民百姓们都参与了保护环境运动，由此判断保护环境的支持主要来自草根阶层。7答案与解析：D细节理解题。根据文章倒数第二段中的“In 1988 there were only 600 recycling programs . and building designs have helped save a lot of energy and th
27、erefore prevented pollution.”可知回收工作的改进，先进产品或者住房设计的研制开发等都有效减少了污染，改善了环境，故答案选D。8答案与解析：A主旨大意题。文章末段提到目前几乎每所学校都有关于环境保护的课程，而且通过最后Bruce Anderson说的话“Until we do that, nothing else will change！”可知教育在改变人们保护环境的意识，改善环境问题方面至关重要。故选A。.阅读七选五【语篇解读】作者最初不喜欢野营，经过几次有准备的野营后，逐渐喜欢上它了。1答案与解析：D前面提到野营的缺点，这些是作者三年前的认识。此处表示转折，然而，
28、自从那时以来我对野营有了更多的认识。then指代前面提到的“three years ago”。2答案与解析：C空后面提到这次野营住在帐篷里，在户外做饭，走很远的路去洗澡，回家后两天没有上班，因为被晒伤和儿子食物中毒。这都说明这次野营对作者来说是很难的一次。故选C。3答案与解析：A根据空后面的“we had a popup camper with comfortable beds”说明这次没有帐篷。故选A。4答案与解析：F此处承接上文，表示自从那一次野营后，我一家人就对野营感兴趣了。引出空后面一句“We have done a lot of it since.(自从那时以来我们去野营多次了)”。5答案与解析：E最后一段是总结，前面提到作者对野营从不喜欢到喜爱的一个过程，所以此处作者得出结论：我必须承认我开始喜欢野营了。