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根据下列文章,请回答 51～65 题。 The Placebo Effect When scientists want to test a new

根据下列文章,请回答 51～65 题。

The Placebo Effect

When scientists want to test a new dru9，they usually divide a large number of people___________ (51)two groups．One group takes the medicine and the other takes a substance___________ (52)as a placebo(安慰剂)．It may contain nothing more than sugar．The people do not know which pill they are takin9，the active one or the inactive one．In this kind of experiment，the medicine must perform___________ (53)than the placebo to prove it is effective．

Yet，people who take a placebo sometimes experience improvements in their health．This is known as” the placebo effect’ the effect of something___________ (54)is not supposed to have any effect．

Some doctors even use the placebo effect in their treatments．They might tell patients that a new drug will stop their pain．The patient does not know that the pills are___________ (55)．The patient___________ (56) the pills and later tells the doctor that the pain is gone．

Now research in Sweden suggests that placebo treatments can als0___________ (57)the emotional effects of unpleasant experiences．The effects in the brain were similar to those seen when placebos have been used to ease pain．The researchers say that in both cases expectations of improvement are a major___________(58)on the effectiveness of placebos．The new study involved a group of people who looked at unpleasant pictures，___________ (59)images of dead bodies．Predrag Petrovic of the Karolinska Institute in Stockholm led the study．The findings appeared in the publication Neuron(神经元)．

An influential study on placebos appeared in 1955．It said treatment with a placebo___________ (60)patients feel better 35% of the time．But in 200 1，Danish researchers reposed that they had examined more than 100 studies．They found___________ (61)evidence of healing as a result Of placebos．

Some researchers think a good relationship between a doctor and patient can increase the effectiveness of real medicines．In any case．Some medical researchers are against the use of___________ (62)．They think it is___________ (63)to give some people inactive substances when testing new medicines．They say it would be better to___________ (64)new drugs with existing drugs．That way, a study would show___________ (65)the new drug is more effective．

第 51 题

A．in

B．to

C．into

D．for

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发布时间：2021-05-06
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更多“根据下列文章,请回答 51～65 题。 The Placebo Effect When scientists want to test a new”相关的问题

第1题

根据下列文章,请回答 51～65 题。 第 51 题 请选择（1）处最佳答案。

根据下列文章,请回答 51～65 题。

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第 51 题 请选择（1）处最佳答案。

根据下列文章,请回答 51～65 题。 第 51 题 请选择（1）处最佳答案。根据下列文章,请回答

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第2题

根据下列文章，回答 51～55 题。 第 51 题 The main idea of this passage is to

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第3题

根据下列文章,请回答 51～65 题。 The American Parnily In the American family the husban

根据下列文章,请回答 51～65 题。

The American Parnily

In the American family the husband and wife usually share important decision making. When the children are ____________ (1) enough, they take part as well. Foreigners are often surprised by the permissiveness (宽容) of American parents. ]he old rule that "children should be seen and not heard" is rarely ___________ (2), and children are often allowed to do ___________ (3) they wish without strict control of their parents. The father seldom expects his children to listen to him ___________ (4) question, and children are encouraged to be ___________ (5) at an early age. Some people believe that American parents carry this freedom ___________ (6) far. Others think that a strong father image would not ___________ (7) the American values of equality and independence. Because Americans emphasize the importance of independence, young people are expected to ___________ (8) their parental families by the time they haw ___________ (9) their late teens or early twenties. Indeed, not to do so is often regarded as a (10), a kind of weak dependence.

This pattern of independence often results in serious ___________ (11) for the aging parents of a small family. The average American is expected to live ___________ (12) the age of 70. The job-retirement age is ___________ (13) 65. The children have left home, married, and ___________ (14) their own households. At least 20 percent of all people over 65 do not have enough retirement incomes ____________ (15) the major problem of many elderly couples is not economic. They feel useless and lonely with neither an occupation nor a close family group.

第 51 题

A．senior

B．junior

C．old

D．young

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第4题

根据下列文章，回答 51～55 题。 第 51 题 Why was Kohoutek referred to as“the comet of t

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第 51 题 Why was Kohoutek referred to as“the comet of the century”？

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第5题

根据下列文章，请回答 51～55 题。 第 51 题 This passage could be entitled_____

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根据下列文章，请回答 51～55 题。 第 51 题 This passage could be e

第 51 题 This passage could be entitled_____

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第6题

根据下列文章，回答 51～55 题。 第 51 题 The limited time and space which man occupies

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第 51 题 The limited time and space which man occupies suggest, according to the paragraph,

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第7题

根据下列文字，回答 51～65 题。 第 51 题 回答第1空。

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根据下列文字，回答 51～65 题。 第 51 题 回答第1空。根据下列文字，回答 51～65 题。

第 51 题 回答第1空。

根据下列文字，回答 51～65 题。 第 51 题 回答第1空。根据下列文字，回答 51～65 题。

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第8题

根据下列文章，请回答 51～55 题。 第 51 题 Now a nation’s political influence depends o

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根据下列文章，请回答 51～55 题。 第 51 题 Now a nation’s politica

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第9题

根据下列文章,请回答 51～65 题。 Preferences Vary on Circumstancesof Dying Amongtermina

根据下列文章,请回答 51～65 题。

Preferences Vary on Circumstancesof Dying

Amongterminally(晚期)ill people，attitudes differ on what they think constitutes a__________(1)orbad death，the results of a new study suggest．

Dr．ElizabethK．Vig of the University of Washington in Seattle and colleagues interviewed 26men with_________(2)heart disease or cancer．The men were asked to describe goodand bad deaths，and they also answered_______________(3)about their preferencesfor dying．

“In this small study．Terminally ill mendescribed good and bad deaths _________(4)。”Vig said．“They did not hold thesame views about such Issues ________ (5)the presence of others at the very endof life or preferred location of death．

Manyof the men considered________(6)in their sleep to be a good death．The reasonswere varied and included not_________(7)that death was imminent(即将发生的)，and thatdeath would be painless．For close to half of the men，a prolonged(拖延的)death was___________(8)abad death．Some of the men associated a prolonged death with prolonged pain，_______(9)others thought a prolonged death would be difficult for their families．

Mostmen said that their_________(10)were very important to them，but this did not mean that they wanted relatives close atthe_________(11)of death．"Valuii‘19 family did not als0___________(12)wantingfamily present at the very end of life。”Vig said．

“In fact，some expressed concerns_________(13)burdening loved ones，”Vig said．For instance．some men were worriedabout the emotional or_________(14)impact on their family members，according tothe Washington researcher．Some were worried _______(15)their need for carewould be a burden on their families，she said．

第 51 题

A．wrong

B．pure

C．good

D．whole

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第10题

根据下列文章,请回答 51～65 题。 Computers Before the widespread use of computers, mana

根据下列文章,请回答 51～65 题。

Computers

Before the widespread use of computers, managers could not __________ (1) full use of large amounts of valuable information about a company's activities. The information either__________ (2) managers too late or was too expensive to be used. Today, managers are facing a wide__________ (3) of data processing and information instruments. Managers can draw on computer-based information systems to control__________ (4) in every area of their company. On any kinds of performance measures, the information provided by these systems helps managers compare standards__________ (5) actual results, find problems, and take proper action __________ (6) it is too late to make changes.

The __________ (7) of computerized (电脑化) information systems has sharply changed management control in many companies. Even a neighborhood shopkeeper

may now use computers to (8) sales, billing, and other activities.

Now, there are about 24 million microcomputers in (9) in the United States -- one for every 10 citizens. It is (11)that by 1996, 61 percent of American managers will be using some sort of electronic workstation. In order for managers to be sure that the computer-based information they are receiving is__________ (11), they need to understand how computers work. However, in most (12) they do not need to learn how to program computers. Rather, managers should understand how computerized information systems work; how they are__________ (13); their limitations and costs; and the manner in which information systems may be used.__________ (14) an understanding is not difficult to achieve.

One research found that business firms were more successful in teaching__________ (15) information about computers to business graduates than they were in teaching business subjects to computer science graduates.

第 51 题

A．take

B．have

C．make

D．get

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