高三的英語閱讀理解

高三的英語閱讀理解

　　以下是yjbys小編跟大家分享的高三英語的閱讀理解練習(xí)以及答案，希望大家喜歡!

　　第一篇：

　　A little under one-third of U.S. families have no Internet access and do not plan to get it, with most of the holdouts seeing little use for it in their lives, according to a survey released on Friday.

　　Park Associates, a Dallas-based technology market research firm, said 29 percent of U.S. families, or 31 million homes, do not have Internet access and do not intend to subscribe(預(yù)訂)to an Internet service over the next 12 months. The second annual National Technology Scan conducted by Park found that the main reason why potential customers say they do not subscribe to the Internet is because of the low value to their daily lives rather than concerns over cost.

　　Forty-four percent of these families say they are not interested in anything on the Internet, versus just 22 percent who say they cannot afford a computer or the cost of Internet service, the survey showed. The answer “I’m not sure how to use the Internet” came from 17 percent of participants who do not subscribe. The response “I do all my e-commerce shopping and YouTube-watching at work” was cited by 14 percent of Internet-access users. Three percent said the Internet doesn’t reach their homes.

　　The study found U.S. broadband adoption grew to 52 percent over 2006, up from 42 percent in 2005. Roughly half of new subscribers converted(轉(zhuǎn)變)from slower-speed, dial-up Internet access while the other half of families had no prior access.

　　“The industry continues to chip(擊破)away at the core of non-subscribers, but has a long way to go,” said John Barrett, director of research at Parks Associates. “Entertainment applications will be the key. If anything will pull in the holdouts, it’s going to be applications that make the Internet more similar to pay-TV,” he predicted.

　　1. What does the underlined word “holdouts” in the first paragraph most probably mean?

　　A. some American families

　　B. those who hold out one’s opinions

　　C. those who have been surveyed

　　D. those who still haven’t access to the Internet currently

　　2. Many potential customers refuse to subscribe to the Internet mainly because _________.

　　A. they show too much concern about the cost B. they can find little value of it

　　C. they do most YouTube-watching at work D. the Internet doesn’t reach their homes

　　3. From the passage we can infer that ________.

　　A. It is not an easy job to transform those holdouts into the Internet users

　　B. people will adopt dial-up Internet access no more

　　C. many Americans enjoy doing e-commerce shopping at home

　　D. more than half of the population are using the Internet in 2005

　　4. According to John Barrett, what is the key to attracting more U.S. families to broadband service?

　　A. making the Internet look more similar to TV set

　　B. applying the Internet more to entertainment

　　C. providing more pay-TV programs

　　D. chipping away at the core of non-subscribers

　　5. Which is the best title for the passage?

　　A. Web develops with technology B. The present situation of web

　　C. Many Americans see little point to web D. It is urgent to promote web service

　　第二篇：

　　Something in chocolate could be used to stop coughs and lead to more effective medicines, say UK researchers.

　　Their study found that theobromine, found in cocoa, was nearly a third more effective in stopping coughs than codeine, which was considered the best cough medicine at present.

　　The Imperial College London researchers who published their results online said the discovery could lead to more effective cough treatment. “While coughing is not necessarily harmful(有害的) it can have a major effect on the quality of life, and this discovery could be a huge step forward in treating this problem,” said Professor Peter Barnes.

　　Ten healthy volunteers(志愿者) were given theobromine, codeine or placebo, a pill that contains no medicine, during the experiment. Neither the volunteers nor the researchers knew who received which pill. The researchers then measured levels of capsaicin, which is used in research to cause coughing and as a sign of how well the medicine are stopping coughs.

　　The team found that, when the volunteers were given theobromine, the capsaicin need to produce a cough was around a third higher than in the placebo group. When they were given codeine they need only slightly higher levers of capsaicin to cause a cough compared with the placebo.

　　The researchers said that theobromine worked by keeping down a verve activity(神經(jīng)活動(dòng)), which cause coughing. They also found that unlike some standard cough treatments, theobromine caused no side effects such as sleepiness.

　　1. According to Professor Barnes, theobromine ______.

　　A. cannot be as effective as codeine

　　B. can be harmful to people’s health

　　C. cannot be separated from chocolate

　　D. can be a more effective cure for coughs

　　2. What was used in the experiment to cause coughing?

　　A. Theobromine. B. Codeine. C. Capsaicin. D. Placebo.

　　3. We learn from the text that volunteers in the experiment _____.

　　A. were patients with bad coughs

　　B. were divided into the three groups

　　C. received standard treatments

　　D. suffered little side effects

　　4. Which of the following would be the best title for the text?

　　A. Codeine: A New Medicine B. Chocolate May Cure Coughs

　　C. Cough Treatment: A Hard Case D. Theobromine Can Cause Coughs

　　>>>>>>參考答案<<<<<<

　　第一篇：

　　1. D 根據(jù)前文one third of the U.S. families have no Internet access and do not plan to get it 可知

　　2. B 由第二段……found the main reason potential customers say they do not subscribe to the Internet is because of the low value to their daily lives they recognize……可知

　　3. A 從最后一段第一句可知

　　4. B 由最后一段“Entertainment applications will be the key”一句可知

　　5. C 從文章的寫作邏輯可知作者主要在談目前還有三分之一的美國家庭沒有網(wǎng)絡(luò)服務(wù)，而B答案太寬泛

　　第二篇：

　　這是一篇科普性讀物。選材于醫(yī)學(xué)的某一方面的研究――對(duì)巧克力中theobromine(可可堿)獨(dú)特的治療咳嗽的功效的對(duì)比研究，證明theobromine(可可堿)是未來有效的治療咳嗽的良藥。

　　1 D。推理判斷題。從第二段的Their study found that theobromine, found in cocoa, was nearly a third more effective in stopping coughs than codeine, which was considered the best cough medicine at present. 可看出theobromine比codeine更有效，判斷A項(xiàng)錯(cuò)誤。既然它用來止咳，改善人們的生活質(zhì)量，所以B項(xiàng)錯(cuò)誤。在第一段提到了heobromine是從chocolate里提煉出來的，所以C項(xiàng)錯(cuò)誤。故正確答案是D項(xiàng)。

　　2 C。細(xì)節(jié)理解題。A、B、D三項(xiàng)中的物品是用來做實(shí)驗(yàn)的物品。在文章第四段最后一句The researchers then measured levels of capsaicin, which is used in research to cause coughing and as a sign of how well the medicine are stopping coughs. 可知Capsaicin(辣椒素)用來引起咳嗽和作為這些藥物如何止咳的依據(jù)。

　　3 B。推理判斷題。從第四段首句Ten healthy volunteers(志愿者) were given theobromine, codeine or placebo, a pill that contains no medicine, during the experiment. 可知實(shí)驗(yàn)中每組人吃一種所給的物品才能看出止咳的效果，故需要三組志愿者。

　　4 B。歸納主旨題。本文主要介紹chocolate中含有的一種成分Theobromine能有很好的止咳效果，所以該題的正確答案為B

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