1、阅读下列短文，从每题所给的A.B.C和D项中，选出最佳选项。There are various reasons why cancers appear to be on the increase. For one thing, though their sufferers are to be found in all age groups, cancers are particularly likely to attack persons in their middle and advanced years. Naturally, since people live longer these y
2、ears, there are more cancer sufferers than before. Again, with better methods of diagnosis (诊断), doctors can more easily recognize cancerous growths that would formerly have passed unnoticed or that would have been wrongly diagnosed. It is also believed that certain habits and conditions of modem li
3、ving, including heavy smoking and the pollution of the air, may leave people living in more cancer-causing conditions than before.We all look forward to the day when a simple medical test can find cancer while it is still small. Researchers around the world are working on such a test. Most of their
4、work deals with the examination of the blood.Researchers in Boston have found something in the blood of cancer patients that does not appear in healthy persons. The test showed which persons had cancer and which did not. It was correct more than 90 percent of the time.The researchers believe the tes
5、t may be able to show cancer very clearly in its development. Cancers discovered early usually can be treated successfully.The test examines very small bits of fat in the blood called lipids (脂质). Cancers seem to change lipids although doctors do not know why. The test showed differences between the
6、 lipids of the persons with cancer and the lipids of those without cancer.The researchers say the new test could be a step to develop a simple way to check patients for cancer before the disease shows on an X-ray.1. Who will fail cancer from the study of the researchers?A. The young. B. The middle a
7、ge and the older.C. The man. D. The woman.2. The underlined words such a test refer to_.A. the test that shows which persons have cancer and which dont .B. the test that may be able to show cancer very early in its development,.C. a simple medical test that cannot find cancer when it is -smallD. a n
8、ew test that could be a step to develop a difficult way3. Which of the following statements is true according to the passage?A. Cancers have much to do with something in patients blood.B. People living in better conditions are most likely to be attacked by cancer.C.X-raying is the best way to determ
9、ined whether a person has cancer or not.D. Cancers have nothing to do with a persons habits and living conditions.4. What would be the best title for the passage?A. A simple way to cancer B. Cancers can be curedC. How to find cancer D. Early discovery of cancer1. B 细节题。从第一段中的cancers are particularly
10、 likely to attack persons in their middle and advanced years可以知道癌症尤其容易在中年人和老年人的身体上发生。2. B 词义题。第二段中的a simple medical test can find cancer while it is still small；test与后面的such a test指的是同样的一种方法，所以这里的test指的是上句的“用最简单的方法诊断早期的癌症”。3. A 细节题。第三段中提到了cancer病人血液中的有些东西在健康人中没有，并且百分之九十以上的情况是这样的。B项与D项的意思与文章第一段中的cert
11、ain habits and conditions of modern living including heavy smoking and pollution of the air may leave people living in more cancer-causing conditions不符；C项内容与文章最后一段的意思不符。4. D 主旨题。文章在开头就交代了写作的目的，有各种不同的理由说明了为什么癌症似乎在上升，而从后面的几段我们知道科学家们正在研究一种新的早期诊断cancer的方法。高考英语冲刺阅读理解专项。Starving polar bears are eating one
12、 another in the Arctic. Flowers are blooming too soon and die. The ice caps are melting so fast that rising water levels will threaten coastal towns along Florida within several decades. These are just a few examples of the serious consequences of climate change supported by a new analysis in Nature
13、. In the past three decades, average global temperatures have risen about 1 degree Fahrenheit (0.6 degree Celsius) and are projected to jump by about 3 degrees F (1. 7 degrees C) by the end of the century, says study lead author Cynthia Rosenzweig, who heads the Climate Impacts Group at NASAs Goddar
14、d Institute for Space Studies at Columbia University in New York City. Weve already seen that a relatively low amount of wanning, she says, can result in a broad range of changes. The unnatural warming caused by man-made greenhouse gases, especially carbon dioxide produced by cars and coal-powered p
15、lants, brings trouble for entire ecosystems. In North America alone, scientists have identified 89 species of plants, such as the American holly that have flowered earlier in the spring. In Spain, apple trees bloom 35 days ahead of schedule in response to the higher temperatures. Other wildlife, lik
16、e the insects that use certain plants for food and the birds that feed on the insects, must then move forward their seasonal stirrings (萌动) and mating patterns to survive. To try to follow this time shift, some birds such as robins, the classic symbol of winters thaw(解冻时期) , are returning to Colorad
17、o from their migrations (迁徙) some two weeks earlier than in years past. All these changes can throw a food chain in disorder. Some bird species that arrive before the insects reappear may starve to death. Around the world, plants and animals are waking up to an earlier alarm clock than they used to,
18、 says Terry Root, a biologist from Stanford University. 1. What does the first paragraph mainly present to the readers?A. The survival of polar bears in the Arctic.B. The terrible situation for the coastal town along Florida.C. A brief description of what a warming world will look like.D. A new anal
19、ysis of climate change in Nature. 答案解析：答案为C。本题为段落大意题。细读第一段，先描述气候变化的几个严重后果的例子，最后进行概括总结，故答案为C。A，B选项都是后果之一，D选项不是第一段的重点。注意把握最后一句 “These are just a few examples of the serious consequences of”, 答案就不难选择。2. According to the passage, what has happened to plants as a result of warming climate?A. Many species
20、 of plants have died out. B. Some flowers have appeared ahead of time.C. Apple trees have produced less fruit. D. Plants have provided no food to birds.答案解析：答案为B。本题为细节推理题。由第三段 “In North America alone, scientists have identified 89 species of plants, such as the American holly that have flowered earl
21、ier in the spring. In Spain, apple trees bloom 35 days ahead of schedule.”可知，花卉提前开放。故答案为B。3. What can be learnt about robins from the passage?A. They are good at telling the direction.B. They can predict the change of weather.C. They usually come back when spring comes. D. They have to move away for
22、 cool weather.答案解析：答案为C。本题为细节推理题。由倒数第二段 “To try to follow this time shift, some birds such as robins, the classic symbol of winters thaw, are returning to Colorado from their migrations some two weeks earlier than in years past.” 可知，robin鸟是冬天解冻时期的象征，比往年要早两周回到Colorado，故可以推断，这些鸟在春天天气暖和后才回来，由于全球气温升高，他们
23、可以早点回到Colorado。故答案为C。4What does the passage mainly tell us?A. Man-made warming changes natures clock.B. Global warming is unavoidable.C. Both plants and animals will change. D. People need to adapt to climate change.答案解析：答案为A。本题为文章主旨大意题。结合全文内容，人类活动导致全球气温升高，造成了生态系统中动植物生物钟的紊乱，最后一段 “Around the world, p
24、lants and animals are waking up to an earlier alarm clock than they used to,”再次点题。故答案为A。完形填空。My mothers dream of becoming a teacher was interrupted by an unexpected child：her own._1_ my mother left the fields of_2_formally，she did not leave it entirely.On the first day of kindergarten，I_3_my lunch b
25、ox，inside of which I found a note from my mother written on a_4_，saying that she loved me，that she was_5_of me and that I was the_6_kindergartener in the world! Because of that napkin note I made it through my first day of kindergarten and many more school days to_7_. There have been many napkin not
26、es since the first one.There were napkin notes in elementary school when I was_8_with math，telling me to“Hang in there.You can do it！”There were napkin notes in high school，_9_my basketball team was the first team in our schools_10_ to play in a state championship，telling me，“There is no I in a team
27、.You have got this_11_because you know how to_12_.”And there were even napkin notes which were_13_to me in college and graduate school，far away from my mothers_14_touch.Despite the changes of colleges，majors，boyfriends，and the ways I looked at the world，my mothers encouragement，support and teachings
28、_15_in years of love and napkin notes.At Christmas this year，my fortyyearold mother was_16_going back to school to earn her degree in teaching.I also gave her a Christmas gift for school：a lunch bag filled with her favorite foods._17_she opened up her“You can do it！”napkin note_18_me，tears began run
29、ning down her face.When her eyes met mine，I knew that she_19_my unspoken message：My mother is，and has always been，a(n)_20_. 从我上幼儿园的第一天起，妈妈不断给我写便条，给我鼓励和支持，是妈妈爱的便条，帮我克服了一个又一个困难。1A.Now that BEven thoughCAs if DEver since答案：B考查连词。此句考查主从句间的逻辑关系。根据此句后的left the fields和下一句did not leave it entirely可知主从句间为让步关
30、系，故B项正确。2A.art BscienceCeducation Dagriculture答案：C考查名词。此题属于近义复现。根据第16空后的“ going back to school to earn her degree in teaching”可知妈妈离开的是教育行业。3A.carried BclosedCmoved Dopened答案：D考查动词。只有打开午餐盒才能发现里面的纸条。4A.towel BhandkerchiefCnapkin Dcloth答案：C考查名词。此题属于原词复现。根据第6空后的Because of that napkin note可知。 5A.proud Ba
31、fraidCfrightened Dashamed答案：A考查形容词。前面说she loved me，所以此空的形容词在意义上应该是褒义的，故A项正确。妈妈说她很爱我，对我感到很自豪。6A.worst BbestCluckiest Drichest答案：B考查形容词。餐巾纸上写的全是妈妈鼓励我的话，因为该便条，我成功地度过了幼儿园的第一天以及接下来的学校时间。既然是鼓励的话，就应该是“妈妈认为我是世上最棒的幼儿园学生。”7A.arrive BbeginCspend Dfollow答案：D考查动词。days to follow相当于following days，即“接下来的学校时光”。8A.sa
32、tisfied BworkingCarmed Dstruggling答案：D考查动词。后面的“Hang in there”意为“别气馁；坚持下去”，因此此处是指“我遇到了数学难题”，即“与数学作斗争”。 9A.before BafterCwhen Duntil答案：C考查连词。此题属于原词复现。第8空前有when，所以此处也应该用when。此处作者回忆在小学、高中时母亲给她写的便条。10A.stadium BhistoryCsystem Dcampus答案：B考查名词。我所在的校篮球队有机会参加州篮球锦标赛，创造了我校的历史(history)，妈妈告诉我打比赛要有团队合作精神。 11A.far
33、 BhighCmuch Dfast答案：A考查副词。因为你们球队的队员间知道如何分享，所以你们能够走这么远。众所周知，篮球比赛是团队运动，球队要想取胜，光靠单个队员是打不赢的，要注意团队配合。在妈妈看来，我们校篮球队之所以能创造历史，打入州决赛，是因为队员间的合作。12A.perform BbehaveCshare Dcompete答案：C考查动词。由上题分析可知。13A.explained BsentCexposed Dhanded答案：B考查动词。此处指我上大学后，妈妈将便条寄给了我。14A.mental BmaterialCphysical Dspiritual答案：C考查形容词。我离开
34、家上了大学，距离太远，妈妈无法将便条当面给我，只好寄给我。此处的physical touch指“身体接触”。15A.ended BrepeatedCfaded Ddisappeared答案：B考查动词。尽管我在学业、感情及看问题的方式等方面发生了变化，但妈妈始终给我写便条，一年又一年重复她对我的爱，给我鼓励、支持和教育。16A.finally BsuddenlyChardly Dtotally答案：A考查副词。40岁的妈妈最后决定要回到学校拿学位。17A.Before BAsCAlthough DBecause答案：B考查连词。我也给妈妈写了便条。此处的as相当于when。18A.by BtoCfrom Dwith答案：C考查介词。根据下文，便条当然是我写给她的。19A.invented BforgotCpassed Dunderstood答案：D考查动词。母女视线相对，都彼此理解了，一切尽在不言中。20A.parent BstudentCexpert Dteacher答案：D考查名词。由本文第一段可知。