C

  Things similar continuously happened in Haiti and Chile．Thousands of people were

buried in the earthquake and lost their fives．What if we could have warned them? People are always trying hard to find a way of preventing building collapsing(坍塌)．Better materials and technology help，but are not a solution．Just like humans，a building has its own life circle from  “birth” to “death”．If we know when a building is going to collapse，we can repair it in advance or get out before it falls．

    Now, scientists at the University of Illinois ha、，e developed a material that turns red before it breaks．The invention could be used in things like climbing ropes，or bridge supports．The secret behind the color-changing material is a type of molecule(分子)．A molecule is a group of atoms held together by chemical bonds(化學(xué)鍵)．Imagine you and your friends standing in a circle，holding hands．Each person stands for one atom，your hands represent the bonds，and the entire circle represents a molecule．If one person lets go of his or her hands，the molecule changes color．The research team put the molecule into a soft material．When the researchers stretched(拉長) the material：it turned bright red a few seconds before it broke into two pieces．

When they repeatedly stretched and relaxed the material，without breaking it，it only turned a little red．

The major problem is，light can get rid of the red color．When the team shone a bright light on the molecule，the broken bond was fixed，and the color disappeared．If bright fight keeps the red color from appearing，the material’s warning system will be useless．Scientists still have a lot of work to do before the color-changing molecule can be used outside the lab．

49.The passage is mainly about______________

A．a(chǎn) way of preventing building from breaking down

B．a(chǎn) series'-of earthquakes in Haiti and Chile

C．a(chǎn) way of warning before buildings collapse

D．a(chǎn) newly—discovered structure of a molecule

50.According to the passage，we call conclude that____________

A．there are problems to solve before putting the new material to use

B．scientists have found the life circle of buildings from “birth” to “death”

C．bright fight makes the red color visible to human eyes

D．the new material is unlikely to be used in building bridges

51.The color-changing molecule can___________

A．make building materials much stronger

B．help building materials get stretched if necessary

C．prevent the earthquake from killing people

D．remind people to leave buildings before they fall

52．The warning system is based on the fact that____________

A．red color won’t show up when it meets bright fight

B．a(chǎn) material with a certain type of molecule Can turn red when setched

C．a(chǎn) building has its own life circle of “birth”to“death”

D．the broken bond will fix itself when a molecule meets bright fight

第四部分 第二節(jié) 書面表達(dá)(共15分)

2010年3月16日這天，你和你的父母去青島游覽了著名的青島海底世界，通過游覽，你增長了知識，開闊了眼界，更加熱愛大海并想倡導(dǎo)人們要保護(hù)環(huán)境。請你用日記的形式向朋友們介紹你游覽的經(jīng)過和感受。內(nèi)容包括：1. 門票100元 / 人；2. 游覽展區(qū)包括：螃蟹 (crab) 展區(qū)，水族館 (aquarium)，海底隧道 (tunnel)，海底表演大廳，其中有美人魚表演，海豚 (dolphin) 表演等；3. 詞數(shù)：120左右。

23. While shopping, people sometimes can’t help ____into buying something they don’t really need.

   A. to persuade     B. persuading   C. being persuaded   D. be persuaded

25. It is only after my father was long gone _____ understand his deep love for me.

A. I could                 B. could I                         C. that I could           D. when I could

28．It is three months since father_____, I____ in France now had it not been for his illness.

A．was; would have been studying  　      B．had fallen; would study

C．has been; would have studied   　     D．fell; would be studying

17. Jane, I told you I don’t like ______ when you go out with your friends every night.

A. this                   B. that                   C. 不填                D. It

第二節(jié)：閱讀下列材料，并從所給的六個(gè)選項(xiàng)（A、B、C、D、E和F）中選出符合各小題要求的最佳選項(xiàng)。選項(xiàng)中有一項(xiàng)是多余選項(xiàng)。

The following people are all searching for a university. After the description of these people, there is information about six universities A--F on your answer sheet. There is one extra paragraph about a university that you do not need to use.

____ 61. Bobby is tired of working indoors and wouldn’t like to be too far away from his girlfriend who studies at Simmons.

_____62. Maria wants to learn modern science and she prefers to stay neither by the ocean nor in the northeast.

_____63. Andrew wishes to study business in a non-state-run university.

_____64. Lucy enjoys taking her further education in a women-only university.

_____65.Scott hopes to play the computer conveniently for fun.

A．SIMMONS  The College of Arts and Sciences and Modern Studies. Simmons educates women to achieve their work and life goals. More than 40 majors. Lies in the heart of Boston, US. News &World Report ranks Simmons among the top state universities in the North and among the best values.  617-521-2051  www.simmons.edu.

B． PAUL SMITH’S COLLEGE   The College of Nature. Experience a different kind of classroom: 15,300 acres of forests, lakes and streams, a hotel and a restaurant, 99% placement upon graduation. Two-and-four-year degree programs.  PO Box 265Paul Smith, NY 12970800 -421-2605     www.paulsmith.edu.

C．ST. MARY’S UNIVERSITY  Personal attention. Powerful programs. Experience the technology of today at our co-educational university. One Camino Santa Utah 78228-8503 800-FOR-STMU   www.stmarytx.edu.

D．NORTHERN UNIVERSITY  A famous private university with 3,200 students in the Colleges of Arts & Sciences, Business and Engineering. Medicine and Law among the top ten by U.S. News & World Report  Old Union 232 CA 94305-3005 650-723-2091 www.stanford.edu.

E． UNIVERSITY OF PHOENIX   Adult education course. Earn an online degree with University of Phoenix today. 100% online, fast and convenient. Learn why most working professionals choose University of Phoenix Online. www.Phoenixun.edu.

F．PETER’S COLLEGE   Experienced professors are available. Equipped with a lot of modern facilities, two students a dormitory, two computers, power never fails, PO.356 Peter, 16753800-333-12-2135   www.peterun.edu.

15. __________ made his mother worried.

A. The child was addicted to playing computer games

B. The child’s being addicted to playing computer games

C. The child’s being addicted to play computer games

D. The child addicted to playing computer games

24.－How do you like our restaurant?

－I couldn’t have found a ________ one.

good          B. better        C. best         D. Fine

4. —I’ll tell Mary about her new job tomorrow. —You ______ her last week.

   A. should have told  B. ought to tell       C. must tell            D. would have told