题目列表(包括答案和解析)
阅读理解
In what now seems like the prehistoric times of computer history，the earth's postwar era，there was quite a wide-spread concern that computers would take over the world from man one day． Already today，less than forty years later，as computers are relieving us of more and more of the routine tasks in business and in our personal lives，we are faced with a less dramatic but also less foreseen problem．People tend to be over-trusting of computers and are reluctant to challenge their authority．Indeed，they behave as if they were hardly aware that wrong buttons may be pushed，or that a computer may simply malfunction（失误）．
Obviously，there would be no point in investing in a computer if you had to check all its answers，but people should also rely on their own internal computers and check the ma-chine when they have the feeling that something has gone wrong．
Questioning and routine double-checks must continue to be as much a part of good
business as they were in pre-computer days．Maybe each computer may provide，it should
not be seen as a substitute for fundamental thinking and reasoning skills．
1．What is the main purpose of this passage？
[ ]
A．To look back to the early days of this passage．
B．To explain what technical problems may occur with computers．
C．To discourage unnecessary investment in computers．
D．To warn against a mentally lazy attitude towards computers．
2．According to the passages，the initial concern about computer was that they might
[ ]
A．change our personal lives
B．take control the world
C．create unforeseen problem
D．affect our businesses
3．The passage recommends those dealing with computers to________．
[ ]
A．he reasonably doubtful about them
B．check all their answers
C．substitute them for basic thinking
D．use them for business purposes only
4．The passage suggests that the present-day problem with regard to computers is________．
[ ]
The following are four forms about medicine. How to use the medicine is very important. Never take any by mistake.
1）Take the medicine with water, followed by one tablet every eight hours, as required. For further night - time and early morning, take two tablets at bedtime. Do not take more than six tablets in 24 hours. For Children six to twelve years old, go to your doctor for advice. Reduce dosage if nervousness, restlessness or sleeplessness takes place.
2）Each pill of the medicine taken three times every day for fourteen years old. As usual, a pill 6∶00 a. m., before breakfast, one before 11∶00 and one before sleep. Not for children under six years old and old persons with heart attack.
3）The medicine for a person with a fever. Once two pills a day before sleep for adult. Not take the medicine without fever. Half for Children under 12 years old. Children with a high fever, go to see a doctor.
4）The medicine taken three times a day, once five pills for adult with a cold. Half of the pills for children 10 years old. Take the medicine before breakfast, lunch, supper or before sleep.
Obviously a kind of medicine can’t be proper for ________, judging from the information.
A. children over twelve years old
B. some old persons with a fever
C. some old persons with heart attack
D. neither adults nor heart attack
When a person has a cold, he had better ________ .
A. have about more than fourteen pills a day
B. have twice a day
C. have four times a day
D. have nine pills a day
How many kinds of medicine are used for the children six years old?
A. All of them．
B. Three kinds of medicine.
C. Two kinds of medicine.
D. Almost not any medicine.
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阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。
Many people believe that sugar is bad for their health; 1 say that sugar is the best source of energy．We also hear similar conflicting arguments about meat between vegetarians and meat-eaters．Who is right and what is your opinion? Are you easily influenced by one 2 of advice today and then by another one tomorrow?
Obviously, you might think that 3 (go)to extremes is not the right way, for the importance of having a variety of food in one’s diet is quite clear today．Scientists have again and 4 warned us that 5 lack of certain kinds of food is dangerous, 6 for children, because 7 a balanced diet, their body can’t grow properly．Scientists have also told us, “Having too much of anything, including one’s favorite food, is equally dangerous．”
They say, for example, children 8 eat lots of cheeseburgers and milk shakes will increase the risk of heart attack．
Therefore, it seems that perhaps the most intelligent thing for us to do is not to eat first but to read first． 9 (science)information about the body’s needs for fats and proteins, for minerals and vitamins, can help us decide on the right choice and the right amount．And it can also help us tell facts 10 misleading opinions．
“In only six days I lost seven pounds of weight.”
“Two full inches in the first three days！”
These are the kinds of statements used in magazine, newspaper, radio and television ads, promising new shapes and new looks to those who buy the medicine or the device. The promoters of such products say they can shape the legs, slim the face, smooth wrinkles, or in some other way add to beauty or desirability.
Often such products are nothing more than money－making things for their promoters. The results they produce are questionable, and some are dangerous to health.
To understand how these products can be legally promoted to the public, it is necessary to understand something of the laws covering their regulation. If the product is a drug, FDA (Food and Drug Administration) can require proof(证明) under the Food, Drug, and Cosmetic Act that it is safe and effective before it is put on the market. But if the product is a device, FDA has no authority to require premarketing proof of safety or effectiveness. If a product already on the market is a danger to health, FDA can request the producer or distributor to remove it from the market voluntarily, or it can take legal action, including seizure(查封) of the product.
One notable case a few years ago involved an electrical device called the Relaxacisor, which had been sold for reducing the waistline. The Relaxacisor produced electrical shocks to the body through contact pads. FDA took legal action against the distributor to stop the sale of the device on the grounds that it was dangerous to health and life.
Obviously, most of the devices on the market have never been the subject of court proceedings(法律诉讼), and new devices appear continually. Before buying, it is up to the consumer to judge the safety or effectiveness of such items.
1．It can be inferred that the ads mentioned in the text are ________.
A. objective B. costly C. unreliable D. illegal
2．Which of the following is true according to the text?
A．The court is in charge of removing dangerous products.
B. New products are more likely to be questionable.
C. The production of a device must be approved by FDA.
D. The promoters usually just care about profits.
3．FDA can ask for the proof of safety and effectiveness of a product ________.
A. if it is a drug
B. if it is a device
C. if its consumers make complaints
D. if its distributors challenge FDA's authority
4．The Relaxacisor is mentioned as ________.
A. a product which was designed to produce electricity
B. a product whose distributor was involved in a legal case
C. a successful advertisement of a beauty product
D. an example of a quality beauty product
5．The author intends to ________.
A. make consumers aware of the promoters' false promises
B. show the weakness of the law on product safety
C. give advice on how to keep young and beautiful
D. introduce the organization of FDA
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