1、 阅读理解。阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。 Today, ultrasonic(超声的) waves are being put to work in laboratories and factories. If an ultrasound generator is placed in a liquid, the waves move the liquid back and forth hundreds of thousands of times each second. This causes materials to mix quickly o
2、r to dissolve(使分解,使溶解) in liquids. Paint manufacturers(制造商) use ultrasound to do a better job of blending colors. The companies that make film for your camera find that mixing chemicals by the use of sound waves will produce a more sensitive film. The new lightweight(轻量的) type of washing machine u
3、ses ultrasonic waves to get clothes clean. Its special ultrasound generator is put into a pail of soapy water containing the soiled clothes. The sound waves drive the soapy water back and forth through the cloth so fast that everything is soon clean. There is also a new kind of dishwasher that works
4、 in much the same way. Ultrasonic waves can shake a liquid so fast that tiny holes form all through it. The liquid is actually torn apart by this action. Almost as soon as these holes are made, they fall together again. The result is a powerful pounding action. In the dairy industry this is used f
5、or the double purpose of making homogenized(使均匀,使匀质) milk and sterilizing(使无菌) it at the same time. If you look at some raw milk with a microscope, you find that it is made up of little drops of butter fat floating around in a watery liquid. In order to make milk easier to digest, these fat droplets
6、微粒) may be broken up by forcing the milk through very small openings. The result is called homogenized milk. When the ultrasonic method is used, the sound waves not only break up the droplets but also kill the germs in the milk by pounding them to pieces. (from ) 1. Why does a paint manufacturer u
7、se ultrasound to do a better job of blending colors? A. Because it is cheap to use ultrasound to blend colors. B. Because the waves move the liquid so quickly that it can make materials mix quickly or dissolve in liquids. C. Because they can mix chemicals by the use of sound waves. D. Because th
8、e waves can clean the paint. 2. What properties does ultrasound wave have? A. Homogenizes and sterilizes the milk. B. Mix materials and break droplets. C. Kill germs and sterilize milk. D. Move liquids quickly. 3. What exists in the raw milk? A. Little drops of butter fat. B. S
9、mall holes. C. Fat droplets and germs. D. Chemicals. 4. Where is ultrasound wave not used? A. In the paint manufacture. B. In the shop mixing bread flour. C. In the film-making company. D. In the dairy industry. 1. B 事实细节题。依据其上句 This causes materials to mix quickly or to diss
10、olve(使分解,使溶解) in liquids 可知,答案选 B。 2. D 事实细节题。依据文章最终一段的第 1 句 Ultrasonic waves can shake a liquid so fast that tiny holes form all through it可知,答案选 D。 3. C 事实细节题。依据文章最终一段的内容,特殊是最终一句 When the ultrasonic method is used, the sound waves not only break up the droplets but also kill the germs in the mil
11、k by pounding them to pieces 可知,答案选 C 4. B 推理推断题。依据文章第 1 段最终提到的 Paint manufacturers(制造商)…以及The companies that make film… 两句排解选项 A、C,依据第 3 段第 5 句的 In the dairy industry this is used for… 排解选项 D,从而得出答案是 B。 阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。 Those who have suffered from insomnia know the sinkin
12、g feeling of watching the clock tick. Now a new study in the Archives of Internal Medicine suggests that lying in bed awake may actually contribute to the problem of sleeplessness. The study of 79 adults (average age 72) with insomnia aimed to determine whether brief behavioral interventions for i
13、nsomnia would help. Traditional behavioral therapy(疗法)requires at least half a dozen hour-long sessions with a therapist — a costly commitment many patients either can't make or don't have access to. Other options include sleep-aiding medications or supplements. In the current study, the 39 particip
14、ants in the behavioral therapy group received a 45- to 60-minute instructing session, plus a 30-minute follow-up session and two 20-minute phone calls. Doctors offered the following behavioral interventions for improving sleep: reduce time in bed; get up at the same time every day, regardless of s
15、leep duration; don't go to bed unless sleepy; and don't stay in bed unless asleep. The other 40 participants in the study were given printed educational materials about insomnia, which included the same instructions given to the intervention group, but without the individualized sessions with a th
16、erapist. Two weeks later, the latter group also got a 10-minute follow-up phone call. At the end of four weeks, the behavioral treatment group was significantly more likely to show improvements in sleep than the printed-materials group. By that time, 55% of those who received behavioral treatment
17、no longer met the criteria for insomnia, compared with 13% of the group that got educational brochures. The good news comes at the same time as a report on the health effects of insomnia from the U.K.'s Mental Health Foundation. The report, Sleep Matters, suggests a link between insomnia and poor
18、relationships, low energy levels and an inability to concentrate. Poor sleep has already been linked to depression, immune deficiency and heart disease. 66. What is the meaning of the underlined word “ insomnia”? A. sleeplessness B. depression C. heart disease D. immune deficiency 67. W
19、hat is the disadvantage of traditional behavioral therapy? A. It can’t help. B. It costs a lot of money. C. It requires sessions with a therapist. D. It includes sleep-aiding medications. 68. How to improve sleep according to the doctor? A. Lying in bed awake. B. Get up earl
20、y every day. C. Don’t go to bed late at night. D. Don’t stay in bed if you are not asleep. 69. We can learn from the text that insomnia may cause the following results except________. A. depression B. concentration C. immune deficiency D. heart disease 70. What can we infer f
21、rom the study? A. The intervention group was not given the printed materials. B. The latter group of the study was not given follow-up phone calls. C. The behavioral treatment group was less likely to show improvements. D. The instructing session that the intervention group received is most effe
22、ctive. 【参考答案】66—70ABDBD 阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。 Britain’s seed bank, the only one in the world aiming to collect all of the planet’s wild plant species, has reached its goal of banking 10 percent by 2010. The Millennium Seed Bank Project, run by Kew Gardens—one of the oldest bo
23、tanical gardens—will officially deposit the 24,200th species on Thursday, a pink, wild banana from China. More than 50 countries are now on board with Kew’s giant task but vast places of the globe, including India and Brazil, still need to join in and donate seeds, director Paul Smith said.
24、 The seed bank is one of the largest and most diverse in the world with more than 1.5 billion seeds.Its goal is to help protect the planet’s bio-divers
25、ity during a time of climate change. The wild banana seed is under threat of extinction(灭亡) in southwest China from agricultural development.It is a vital food source for Asian elephants and important for growing bananas for human consumption. Stored at minus-20 degrees centigrade, so they can las
26、t for thousands of years, the seeds await the day that scientists hope never comes—when the species no longer exist in the wild. It is a race against time, Smith said, because in the last decade alone, 20 plants held in the bank have already been wiped out in the wild.He estimates that between a th
27、ird and a quarter will become extinct this century. "It is urgent and it is happening now.An area, the size of England, is cleared of primary vegetation(植被)every year." Smith said. Because most of the world’s food and medicines come from nature, protecting wild plant species is quite important, sc
28、ientists say.There are already many other seed banks safeguarding food crops, which only account for 0.6 percent of plant diversity. For Kew’s next goal—to collect a quarter of wild varieties by 2022—the botanists need 10 million pounds a year, or a further 100 million pounds on top of the 40 milli
29、on they have already been granted. 71.What’s the final purpose of the Britain’s seed bank? A.To collect enough money for the project. B.To safeguard food crops. C.To protect wild plants from extinction. D.To help scientists study wild plants. 72.The wild banana seed in China is i
30、n danger because of _______. A.the expanding of farming work B.the climate change in this area C.the large number of Asian elephants D.human’s large consumption 73.We can learn from the passage that _______. A.the seeds in the bank can be used now and then all over the world
31、 B.India and Brazil haven’t joined in the Seed Bank Project at present C.there is only one seed bank in the world at present D.the wild plants in places like India and China will never die out 74.What does the underlined word “it” in paragraph 7 refer to? A.The extinction of plant sp
32、ecies. B.Kew Gardens’ next goal. C.Britain’s seed bank. D.The Millennium Seed Bank Project. 75.Which of the following information isn’t mentioned in the passage? A.The global partnership of collecting wild plant species. B.The temperature condition of the conservative wild pla
33、nt species. C.The government’s financial support for the seed bank project. D.Scientists’ concern on the extinct wild plant species. 参考答案71—75 CABDC 完形填空。阅读下面短文,把握其大意,然后从各题所给的四个选项A、B、C和D中,选出最佳答案。 One day, a poor boy who was trying to pay his way through school by selling goods fro
34、m door to door found that he only had one dime left. He was hungry so he decided to 1 for a meal at the next house. However, he lost his nerve 2 a lovely young woman opened the door. Instead of a meal he asked for a drink of water. She thought he looked 3 so she brought him
35、a large glass of milk. He drank it 4 , and then asked, “How much do I owe you?” “You don’t owe me anything,” she 5 . “Mother has taught me never to accept pay for a _6 .” He said, “Then I thank you from the bottom of my heart.” As Howard Kelly left that house, he not only felt stronge
36、r 7 , but it also increased his faith in God and human race. He was about to give up and quit before this point. Years later the young woman became critically ill. The local doctors were baffled. They finally sent her to the big city, where specialists can be called 8 to study her ra
37、re disease. Dr. Howard Kelly, now 9 , was called in for the consultation. When he heard the name of the town she came from, a strange light 10 his eyes. Immediately, he 11 and went down through the hospital hall into her room. 12 in his doctor’s gown he went in to see her
38、 He 13 her at once. He went back to the consultation room and 14 to do his best to save her life. From that day on, he gave 15__attention to her case. After a long 16 the battle was won. Dr. Kelly 17 the business office to pass the final bill to him for approval. He looked at
39、it and then wrote something on the side. The bill was sent to her room. She was afraid to open it because she was 18 that it would take the rest of her life to pay it off. Finally she looked, and the note on the side of the bill caught her 19 . She read these words… “Paid in full with a gla
40、ss of milk.” (Signed) Dr. Howard Kelly Tears of joy flooded her eyes as she 20 silently. “Thank you, God. Your love has spread through human hearts and hands.” ( ) 1.A.call B.make C.beg D.prepare ( ) 2.A.while B.when C.though D.unless ( ) 3.A.thirsty B.lazy C.tired D.hungry ( ) 4.A.s
41、lowly B.unexpectedly C.steadily D.hurriedly ( ) 5.A.announced B.shook C.replied D.doubted ( ) 6.A.reward B.kindness C.hand D.value ( ) 7.A.physically B.mentally C.normally D.properly ( ) 8.A.up B.for C.on D.in ( ) 9.A.rich B.famous C.observant D.vivid ( ) 10.A.fixed B.consulted C.filled
42、D.concentrated ( ) 11.A.rose B.raised C.got D.left ( ) 12.A.Worn B.Having C.putting D.Dressed ( ) 13.A.recognized B.knew C.spared D.regained ( ) 14.A.desired B.declared C.determined D.declined ( ) 15.A.special B.ordinary C.normal D.no ( ) 16.A.decision B.preparation C.struggle D.debate
43、 ) 17.A.ordered B.requested C.confused D.compressed ( ) 18.A.negative B.uncertain C.positive D.obvious ( ) 19.A.presentation B.preference C.attention D.arrangement ( ) 20.A.praised B.pretended C.pressed D.prayed 1.C beg for“向……要”,也可以用ask for,其他答案不合语境。 2.B when=and suddenly; and at that m
44、oment。 3.D通过文章内容可以知道the poor boy当时是hungry,上文已经有提示。 4.A 5.C replied=answered. 6.B the young woman在需要的时候挂念了the poor boy,这当然是一个善意的行为。 7.A上文已经交代了作者是饿了,所以是身体上的stronger. 8.D见44空后的call in。 9.B由下文的requested the business office to pass the final bill to him for approval可以推断。 10.C由后面的eyes可以推断。此时,Kelly
45、 马上想起孩提时的那一件印像很深的事。 11.A rose(rise的过去式)在此意思是“起身”C应当说“get from…”,D后加宾语才对。 12.D be dressed in…为固定搭配,wear后直接接宾语。 13.A recognized意思是“认出”,其他答案不能表达这个意思。 14.C determined to do sth.是“下决心做……事”。其他答案不合规律。 15.A special attention是“特殊的照看”,表达Kelly对那个woman的感谢之情。 16.C由上文的rare disease可以推断。 17.B其它答案不合情理。 18.C the woman依据自己的病情推出费用确定昂贵。 19.C catch one’s attention“引起某人的留意”。 20.D由“Thank you, God”可以知道答案。






