any change about the date, please tell me immediately. A. Will there be B. Should there be C. There will be D. There should be 题目和参考答案——青夏教育精英家教网—

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_____ any change about the date, please tell me immediately.

A. Will there be B. Should there be C. There will be D. There should be

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Our bodies are wonderfully skillful at keeping balance．When the temperature jumps, we sweat to cool down．When our blood pressure falls, our hearts can do something．As it turns out, though, our natural state is always changing．Researchers are finding that everything from blood pressure to brain function changes regularly with the cycles of sun, moon and seasons．And their insights （洞察力） are getting new ways for keeping away such common killers as heart disease and cancer．Only one doctor in 20 has a good knowledge of the scientific use of time in medicine．But according to a new American Medical Association, three out of four are eager to change that．“The field is exploding,” says Michael Smolensky．“Doctors used to look at us like, What spaceship did you get off ? Now they're thirsty to know more．”
In medical school, most doctors learn that people with chronic conditions should take their medicine regularly．“It’s a terrible way to treat disease,” says Dr Richard Martin．For example, asthmatics （气喘患者） are most likely to suffer during the night．Yet most patients try to keep a constant level of medicine in their blood day and night, whether by breathing in on an inhaler （吸入器） four times a day or taking a pill each morning and evening．In recent studies, researchers have found that a large mid afternoon dose of a bronchodilator （支气管扩张剂） can be as safe as several small doses, and better for preventing nighttime attacks．
If the night belongs to asthma, the dawn belongs to high blood pressure and heart disease．Heart attacks are twice as common at 9 a．m．as at 11 p．m．Part of the reason is that our blood pressure falls at night, then rises as we start to work for the day．“Doctors know that,” says Dr．Henry Black of Chicago's Medical Center, “but until now, we haven't been able to do anything about it．” Most blood - pressure drugs provide 18 to 20 hours of relief （减缓）．But because they’re taken in the morning, they're least effective when most needed．“You take your pill at 7 and it's working by 9,” says Dr．William White of the University of Connecticut Health Center “But by that time you've gone through the worst four hours of the day with no protection．” Bedtime medicine would prevent high blood pressure, but it would also push blood pressure to dangerously low levels during the night．
【小题1】Researchers are finding that _________ ．

A．heart disease and cancer are the most common killers of human beings

B．only blood pressure and brain function are decided by cycles of sun, moon and seasons

C．the functions of human bodies have much to do with nature

D．any change in human bodies goes with changes in the surroundings

【小题2】According to the author, it is best for asthmatics to

take their medicine _________ ．

A．at certain time

B．each morning and evening

C．when the disease occurs

D．at midafternoon

【小题3】Which of the following statements is NOT true?
A．Doctors know more about illnesses than before．
B．Doctors in the U．S．used to be thirsty to know more about the new medical field．
C．The researchers' insights are providing new methods to prevent common killers．
D．The correct use of time in medicine attracts more attention in medical circle in the U．S．A．
【小题4】The suggested title for this passage might be _________．

A．Medicine Is Everything	B．Treatment Is Everything
C．Timing Is Everything	D．Prevention Is Everything

C
It is a lot of trouble to learn a new language. When we go to all that trouble, we certainly want to be understood. But understanding is based on more than speech. Sometimes misunderstanding comes not from the wrong words, but from the wrong style. In our own country, we learn the style for politeness. But this polite style may be misunderstood in another country. This can cause unexpected difficulties. Since you have spent so much effort learning this new language, it is sensible and practical to learn the politeness rules also. Even if you think some of the customs are foolish, learning them can help you to be clearly understood.
In your country, is it considered polite to listen quietly to other people without any change of expression on the face? If this is the style you have learned, perhaps you should watch two Americans talking. Notice how the person who is listening will have frequent changes of expression. The listener may also make little remarks while the other person is talking. These little remarks may be one word, like “Really?” or they may just be a little sound, like “Uhhuh” or “Mmm.” This is the way American listeners show that they are listening in a friendly way. This is why Americans get uneasy when the listener is silent and shows no change of expression. In the American style of speaking, an unmoving face often means that the listener is unfriendly, or perhaps even angry.
Sometimes people from two countries are uncomfortable with each other for very small reasons. Here is an example: Americans think that perspiration odor is not polite. In fact, they worry so much about this subject that they spend a great deal of money on deodorants (除臭剂) and dry cleaning and washing their clothes. If a foreign student does not follow the same rule, Americans may be disturbed and think the foreigner is not nice. The problem can be especially troublesome because Americans are so embarrassed about this subject that they do not even like to talk about it, so they are not likely to tell that person why they are uneasy.
63. If you want to be clearly understood in another country, besides the language, you should also learn _________.
A. its common knowledge     B. its style            C. its wrong words      D. how to make a speech
64. Which of the following is NOT true according to the passage?
A. American listeners have frequent changes of expression.
B. A foreign student may not get along well with Americans if he smells.
C. An unmoving face and silence of listeners will make Americans feel unhappy.
D. Making little remarks like “Really”, “Uhhuh” or “Mum” is impolite while listening to an American.
65. The underlined phrase in the last paragraph probably means _________.
A. an unpleasant smell                                     B. a good style of talking
C. an unfriendly way                                   D. a polite expression
66. What would be the best title for the passage?
A. Learning a new language                  B. Different people, Different languages
C. Body Language                                     D. Different Countries, Different Cultures

Australia’s Great Barrier Reef will lose most of its coral cover by 2050 and, at worst, the world’s largest coral system could collapse by 2100 because of global warming, a study recently said.
The study by Queensland University’s Center for Marine Studies, commissioned (委托) by the Worldwide Fund for Nature, said that the destruction of coral on the Great Barrier Reef was unavoidable due to global warming, regardless of what actions were taken now. “Under the worst-case scenario, coral populations will collapse by 2100 and the reestablishment of coral reefs will be highly unlikely over the following 200-500 years,” said the report entitled “Implications (可能的影响) of Climate Change for Australia’s Great Barrier Reef.”[来源:学|科|网]
The Great Barrier Reef is the world’s largest living reef formation stretching 2,000 km north to south along Australia’s northeast coast. “Only if global average temperature change is kept to below two degrees Celsius can the Reef have any change of recovering from the predicted damage,” the report said. Coral has a narrow comfort zone and is highly stressed by a temperature rise of less than one degree Celsius. Water temperature rises of less than one degree coincided (同时发生) with the world’s worst recorded coral bleaching (颜色变淡) period in 1988. The warmer water forces out the algae (海藻) that give coral its color and, if all are lost, the coral dies and the reef will die out. In 1988, 16 percent of the world’s coral died, with 46 percent of the Indian Ocean coral destroyed.
Scientists express water temperatures to rise this century by between two and six degrees Celsius. “There is little to no evidence that corals can adapt fast enough to match even the lower temperature rise,” said the report. Over-fishing and pollution from coastal farms were also contributing to the destruction of coral on the Great Barrier Reef.
The Great Barrier Reef supports huge fishing and tourism industries. Even under favorable conditions tourists would only be able to experience real corals in reef “theme parks”.
【小题1】The underlined word “scenario” in Paragraph 2 probably means .