1、课时作业21.单句语法填空1They were taken to the police station as they had entered the area without permission (permit)2He didnt make it clear when and where the meeting would be held.3With the development of science and technology, the prices of TV sets have gone down.4At present,60% of the people in that cou
2、ntry do not have access to free health care service.5Our class is a happy family，which consists of 16 boys and 19 girls.6Plastic bags and boxes known as “white pollution” are attracting more and more peoples attention.7Project Hope is designed (design) to help those children who drop out of school b
3、ecause of poverty.8The government plans to create (creation) more jobs for graduates.9Hundreds of people gave their lives in defence (defend) of their country.10Fax machines were a wonderful invention (invent) at the time.完成句子1由两位医生和三位警察组成的医疗队被派去寻找失踪的探险家。A team, consisting of two doctors and three p
4、olicemen,_was sent to search for the lost explorers.2当李明跑下楼时，撞上了他的老师。While he was running downstairs, Li Ming knocked into his teacher.3玛丽坐在教室的窗户旁，正在读一本书。Mary sat by the window of the classroom, reading a book.4我们必须设置障碍，不让汤姆进入房间。We must make it difficult for Tom to get into the room.5美国研究人员已成功开发出一种不
5、用化学物质处理废水的方法。American researchers have successfully developed a way to clean waste water without chemicals.串点成篇微表达蒂姆贝尔纳斯李因提出(come up with)万维网这一观点而闻名(be known for)。他又为电脑用户能获取(access)其他电脑里的文件(document)设计(design)了第一个“网站浏览器”。从那以后(from that moment on)，越来越多的人正在使用万维网和因特网。经过万维网的允许(permission)，人们可以获取(gain ac
6、cess to)所有的信息。网络使人们进行远程教育成为可能(make it possible for sb. to do sth.)。目前(at the moment)，人们用网络(network)来阅读、购物，也(as well as)用来交友。用因特网进行学习、工作和交流正变得越来越重要(it becomes important to do sth.)。Tim_BernersLee_is_known_for_coming_up_with_the_idea_of_the_World_Wide_Web._He_also_designed_the_first_web_browser_for_pe
7、ople_to_access_the_documents_from_other_computers._From_that_moment_on,_more_and_more_people_are_using_the_web_and_the_Internet._With_the_permission_of_the_World_Wide_Web,_people_can_gain_access_to_all_the_information._The_Internet_makes_it_possible_for_people_to_have_distance_education._At_the_mome
8、nt,_people_use_network_to_read,_shop_as_well_as_make_friends._It_is_becoming_more_and_more_important_to_use_the_Internet_to_study,_work_and_communicate_with_others.阅读理解In modern world, the Internet has made our life easy and comfortable. In our daily life we have to use various kinds of electronic d
9、evices. We cant imagine our life without the Internet. Internet is now becoming an indispensable (不可或缺的) part of our life.For Personal UseIf a person wants to spend a whole day with the Internet, it is possible. The Internet has become a good friend of everybody. Now we dont need to go to the theate
10、r to watch a movie. We can download a movie, old or new, from the Internet within a few minutes. Whenever we want a new dress, but confused thinking about the design and color of the dress, there is a quick solution on the Internet which can help us hopefully. No teenager is found who doesnt use Fac
11、ebook. In Facebook we will be able to connect with those friends with whom we dont have any connection for a long time.In Office and BusinessBefore computers there were many problems in our life. In office, we have to deal with many kinds of information. In the past, we had to gather information on
12、papers, but it was very difficult for one person to protect thousands of papers. Maybe your office would be attacked by fire. But at present, it is not a major problem. We can store lots of information in computers conveniently. Before computers when we went to an office, we saw lots of files gather
13、ed beside the desk. Some people were running with files. It was a previous scene. At present, this scene can be very funny. So we can say computers help to change the environment of an office indirectly._The major novelty of the Internet is the faster spread of information. We can download informati
14、on, tutorial, book, and any type of help from the Internet. If I need help from my teacher in the night before the exam, I dont need to go to his house. It will waste time. I can know his valuable opinion through email. Many universities and research institutions share their opinions, views and expe
15、riences and sometimes they start their projects together on the Internet. It saves their time and money. We can know these from the Internet which was impossible in the past.在现代社会中我们无法想象没有网络的生活。互联网使我们的生活方便和舒适。1Why does the author talk about Facebook in Paragraph 2?ABecause it is quite popular with t
16、eenagers.BBecause all teenagers can use Facebook.CBecause it proves the Internet has personal use.DBecause it helps to find friends weve long lost contact with.答案：C解析：推理判断题。For Personal Use为第二段的主题，作者谈及Facebook 是为了说明该主题。2The third paragraph is developed _.Aby space Bby contrastCby process Dby time答案：
17、B解析：写作手法题。根据该段中的内容“In the past”和“But at present”可知，该段是通过对比来展开的。3The blank in the text above can be filled by _.AFor Work Efficiency BIn CommunicationCFor Development DIn Education答案：D解析：段落大意题。根据第四段中的内容“We can download information, tutorial, book, and any type of help from the Internet. If I need hel
18、p from my teacher in the night before the exam”可知，该段的主题为互联网在教育方面的作用及影响。4What can be the best title for the text?AInterlinked Computers Around the WorldBThe Influence of the Internet in Our Daily LifeCThe InternetBridge Among Past, Present and FutureDTechnological Breakthrough in Communication答案：B解析：
19、标题归纳题。文章论述了互联网对我们日常生活的影响。故选B。.七选五Tips for Green Travel with KidsTraveling is a chance to show your children that being on the road doesnt have to mean letting go of all the ecofriendly choices we work so hard to achieve during our daytoday life.Here are a few tips for green travel with kids：Booking
20、nonstop flights whenever possible will reduce carbon emissions (碳排放). If the closest local airport doesnt have nonstop flights to a certain place, check in with other local airports to see if nonstop flights are available. _1_Whether youre flying, driving or taking the train, its easy when traveling
21、 to pull into fast food restaurants for snacks (小吃). _2_ My kids love to help plan the snacks.I let them create their own snacks for the trip at home._3_ At the airport keep your reusable bottles empty until youve passed through security (安检). Fill them up on the other side of the security check poi
22、nt. Singleuse plastic water bottles create unnecessary waste and the plastic can be harmful to your health._4_ Open a few windows and turn off the air conditioner (空调)You should also help your children keep their good, green habits from home in place while traveling.Sometimes vacation can mean more
23、than one shower each dayonce in the morning and again after getting out of the pool. Pay attention to the number of showers and the length of showers. _5_AWalking is good for your health.BTry to cut back to save water and energy.CBut you can pack healthy food from home.DTraveling is a great chance t
24、o introduce your kids to the world.EReusable water bottles are easy to bring along wherever you travel to.FSave energy by turning off the hotel room lights when you head out for the day.GYou might have to drive a bit further, but saving on carbon emissions makes it worthwhile.本文是一篇说明文。文章给出了几点绿色出行的建议
25、。1G解析：根据上一句中的“If the closest local airport.see if nonstop flights are available.”可知，此句与选项G是顺承关系。如果离你最近的机场没有去目的地的直达航班，你可以驾车去稍微远一点的机场坐直达航班，虽然麻烦点，但减少了碳排放，值得去这样做。2C解析：根据下文中的“I let them create their own snacks for the trip at home.”可知此部分讲的是准备出行的食品。选项C(但是你也可以在家就准备好健康的小吃)符合语境。3E解析：根据下文中的“At the airport keep your reusable bottles empty.the security check point.”可知，此处讲的是饮水问题。选项E(无论你去哪儿旅行，带上自己的水杯都很方便)与该部分相符。4F解析：根据下文中的“Open a few windows and turn off the air conditioner (空调)”可知，出去住酒店要节能环保，白天不在酒店时需要把灯关掉。5B解析：根据上文中的“Pay attention to the number of showers and the length of showers.”可知，尽量减少洗澡的次数和时间来节水节能。