1、课时作业18.单词拼写结合语境，根据汉语提示用单词的适当形式填空。1In a written _(道歉), the BBC admitted they had misled the public.2Can you make the dog stop _(吠叫) at the mailman?3During these periods the birds will lie on the _ (笼子) floor as if trying to lay or hatch eggs.4A holiday isnt an _ (可有可无的) extra. In this stressful world
2、, its a must.5One group of journalists were crowded into a _ (小汽车)6The players had to change their daily _ (常规)and lifestyle.7Students are asked to prepare material in advance of each weekly _ (研讨会)8Mark was mainly interested in sport at school, playing_(橄榄球) as well as soccer.9Im a graduate of Harv
3、ard University. I have a_ (学士) of Arts degree.10People will be able to use the _ (可视电话) for conferences.答案1apology2.barking3.cage4.optional5minibus6.routine7.seminar8.rugby9Bachelor10.videophone.课文语法填空阅读下面课文缩写材料，在空白处填入适当的内容或括号内单词的正确形式(1个单词)。Six months ago Xie Lei boarded a plane _1_ London to comple
4、te a business qualification._2_ she came to England，she lived with a host family，_3_ members always helped her.At the beginning she had to face such difficulties of daily life _4_ how to use the phone，and how to pay bus fare.Besides，she also _5_ (have) to face the difficulties of learning at the uni
5、versity.Studying there was quite _6_(differ) from studying in China and she needed some preparation first.She had to get _7_ (use) to a new way of life，which took up all her concentration.It was _8_ (benefit) as well as difficult for her to study in London.She learned _9_ to fulfill Western academic
6、 requirements.Xie Lei also learned that as _10_ student，she should not use other peoples work but try to express her own ideas.答案1for2.When3.whose4.as5.had6.different7used8.beneficial9.how10.a.完成句子1就他而言，出国留学优点大于缺点。_， the advantages of studying abroad outweigh its disadvantages.2他从来没有这么激动过，因为这是他第一次出国
7、。Never has he been so excited because it is the first time_.3老师推荐我阅读这本小说，它有助于提高我的写作水平。The teacher recommended_， which is beneficial to improving my writing ability.4大家都公认：想到达到目标，就必须努力。_ if one wants to achieve his goal, he has to work hard.5确实到了你让早起早睡成为常规的时候了。Its high time _ to rise early and go to
8、bed early, too.答案1As far as he is concerned2that he has gone abroad3that I should read/me to read the novel4It is universally acknowledged that5that you made/(should) make it a routine.阅读理解For as long as they can remember Jynne Martin and April Surgent had both dreamed of going to Antarctica. This w
9、inter, they each made it to the icy continent as guests of the National Science Foundation (NSF)But they didnt go as scientists. Martin is a poet and Surgent is an artist. They went to Antarctica as participants in the NSFs Artists and Writers program. The NSF is the government agency that funds sci
10、entific research in Antarctica. But it also makes it possible for artists, including filmmakers and musicians, to experience Antarctica and contribute their own points of view to our understanding of the continent.The mixing of science and art in Antarctica isnt new. Some of the earliest explorers b
11、rought along painters and photographers. Edward Wilson was a British painter, doctor, and bird expert who journeyed with Robert Falcon Scott on two separate Antarctic expeditions more than 100 years ago. Herbert Ponting was a photographer who also accompanied Scott on one of those expeditions. In hu
12、ndreds of photos, Ponting captured the beauty of the continent and recorded the daily lives and heroic struggles of the explorers.Todays scientists write articles for scientific journals. Unlike the early explorers journals, scientific papers can now be very difficult for nonscientists to understand
13、. Writers in Antarctica work to explain the research to the public. Peter Rejcek is editor, writer, and photographer for the Antarctic Sun, an online magazine devoted to news about the US. Antarctic Program. Rejeck began his career in the Antarctic in 2003 by spending a year at the South Pole. He ha
14、s returned every year since interviewing scientists about research at Palmer，McMurdo，and South Pole stations.There are also scientists in Antarctica who work hard to explain their research to the public. Scientist Diane McKnight wrote The Lost Seal，a childrens book that explains the research she and
15、 others are doing in an unusual icefree area in Antarctica called the Dry Valleys. Antarctica is full of stories and wonders that are scientific, historic and personal. People such as Martin, Surgent, Rejcek, and Diane McKnight are devoted to bringing those stories to as many people as they can. “So
16、me people are going to be scientists，some people are going to be journalists，some people are going to be artists，but we can all work together.” says Surgent, “to celebrate this extraordinary place.”1Why didnt some earliest explorers bring writers along?AWriters were not funded at that time.BWriting
17、cant capture the beauty of the continent.CWriters were not interested in popularizing science.DEarly explorers journals can be easily understood by the public.2By mentioning Diane McKnight, the author may try to suggest that_Ascientists should explain their research to childrenBwriters are not neces
18、sary since scientists can tell stories as wellCtelling stories to children is more important than knowing the truthDno matter what role we play, we can work together to appreciate Antarctica3What would be the best title for this article?AAntarctica: A Land for All BThe NSF: A Program for AllCAntarct
19、ica:A Land of Beauty and Stories DThe NSF: A Program for Artists and Scientists答案与解析本文是一篇说明文，介绍了在南非洲的社会研究项目方面的内容。现在的许多探险日记比以前的更加令人费解，而许多科学家们认为不管我们扮演的是什么角色，我们都应该一起努力，为国家服务。1D细节理解题。根据文中第三段Todays scientists write articles for scientific journals.Unlike the early explorers journals，scientific papers can
20、 now be very difficult for nonscientists to understand 可知现在的探险日记不像以前的，让人非常费解。由此可判断此处所指的是早期的探险日记很容易理解。所以选D。2D细节理解题。根据文中最后一段“but we can all work together，” says Surgent，“to celebrate this extraordinary place.”可知他们建议不管有些人想做什么，但是我们都可以一起工作，为回报社会。由此可判断此处表达的意思就是选项D中的内容。所以选D。3A推理判断题。本文主要介绍了在南非洲的社会研究项目方面的内容，
21、结合上下文语境故选A。.七选五根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Both men and women are living longer these days in industrialized countries._1_ In general, they can expect to live six or seven years more than men. One reason for this is biological.One important biological factor that helps women live longer
22、 is the difference in hormones between men and women. _2_ Between the ages of about 12 and 50, women produce hormones that are involved in fertility(生育能力). These hormones also have a positive effect on the heart and the blood flow. In fact, women are less likely to have high blood pressure or to die
23、 from heart attacks._3_ They help the body defend itself against some kinds of infections. This means that women generally get sick less often and less seriously than men. The common cold is a good example: women, on average, get fewer colds than men._4_ Scientists are still not exactly sure how gen
24、es influence aging, but they believe that they do. Some think that a womans body cells have a tendency to age more slowly than a mans. Others think that a mans body cells have a tendency to age more quickly. _5_AHowever, women, on average, live longer.BThe biological factor plays an important part.C
25、Women are also helped by their female genes.DThe female hormones also protect the body in another way.ERecent research seems to support both of these possibilities.FTherefore, women are healthier than men and can live a better life.GHormones are chemicals which are produced by the body to control va
26、rious body functions.答案与解析在工业社会的今天人们活的越来越长了，而女性通常比男性活的长，原因是由男女不同的生理构造决定的，其中荷尔蒙起到了很重要的作用。1A考查对上下文语境的理解。空前的意思是：在工业化的今天男人和女人都生活的更长。空后的意思是：女性通常要比男性多活六到七年。所以这里选A(然而一般来说，女性活的更久。)与上下文一致。2G考查对上下文语境的理解。空前的意思是：一个有助于女性活的更久的生物因素是男女荷尔蒙的不同；空后的意思是：在12到50岁，女性产生的荷尔蒙包含了生育能力。所以这里选G(荷尔蒙是由身体产生的来控制不同的身体功能的化学成分。)与上下文一致。3D
27、考查对上下文语境的理解。空后的意思是：他们帮助身体防御一些种类的传染。所以这里选D(女性荷尔蒙在另一种方式上也保护了身体。)与上下文一致。4C考查对上下文语境的理解。空后的意思是：科学家仍然不能确定基因是怎样影响年龄的。所以这里选C(女性的基因对女性也起到了作用。)与上下文一致。5E考查对上下文语境的理解。空前的意思是：男人的身体细胞倾向于变的更快。所以这里选E(最近的研究似乎支持这些可能性。)与上下文一致。.短文改错Now Id like to share with my plan for the summer holiday.Recently Ive became interested i
28、n some attractive camps advertising in a website . I have made up my mind to take part in one of it: Volunteering in Another Country. I have always dreamed of being a volunteer, because I would like to offer necessary help to those who needs it. Beside, volunteering in another country will certainly
29、 give me good chance to experience a completely different culture. Most important, I can exchange ideas freely with the local people or get them to know more about China.Im eager to join in the activity and Im sure I will benefit greatly by such an opportunity. How about your plan for this summer?答案