题目内容
（请给出正确答案）
A.To complement verbal communication.
B.To provide a calming, repetitive atmosphere.
C.To give time to the audience to take notes.
D.To make sure the audience members in the last rows are able to hear the presenter.
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
更多“Why is effective use of gestures important when giving presentations？（)”相关的问题
A、To complement verbal communication.
B、To provide a calming, repetitive atmosphere.
C、To give time to the audience to take notes.
D、To make sure the audience members in the last rows are able to hear the presenter.
A.lt is more effective because the essay flows when you use your own words.
B.lt helps resolve the problem of over-quoting.
C.The process of paraphrasing assists you in gaining a fuller understanding of the original.
D.All of the above.
Clinical Trials
1 Many clinical trials are done to see if a new drug or device is safe and effective for people to use. Sometimes clinical trials are used to study different ways to use the standard treatments so they will be more effective, easier to use ,and/or decrease side effects. Sometimes ,studies are done to learn how to best use the treatment in a different population, such as children, in whom the treatment was not previously tested.
2 It is important to test drugs and medical products in the people they are meant to help. It is al- so important to conduct research in a variety of people because different people may respond dif- ferently to treatments. Some people participate in clinical trials because they have exhausted standard treatment options. Other people participate in trials because they want to contribute to the ad- vancement of medical knowledge.
3 The FDA(食品及药物管理局)works to protect participants in clinical trials and to ensure that people have reliable information as they decide whether to join a clinical trial. Although efforts are made to control the risks to clinical trial participants, some risks may be unavoidable because of the uncertainty inherent(内在的) in medical research studies involving new medical treatments.
4 People should learn as much as possible about the clinical trials that interest them. They should also feel comfortable discussing their questions and concerns with members of the health care team. Prospective (预期) participants should understand what happens during the trial, the type of health care they will receive, and any costs to them. Anyone considering a clinical trial should also know that there are benefits and risks associated with participating.
Paragraph 1__________ 查看材料
A.Are clinical trials safe？
B.What are clinical trials？
C.What should people know before participating in a clinical trial？
D.Who should consider clinical trials and why？
E.Where are clinical trials conducted？
F.Why are clinical trials done？
Hypnosis(催眠)
1 Increasing numbers of American doctors are using a technique known as hypnosis. They say hypnosis often can help persons suffering pain and stress. It also can help speed the healing of bums, and treats some forms of asthma and some skin diseases. Hypnosis is not new. It has been used for many years both in scientific research and to please crowds at public gatherings,
2 Hypnosis is commonly described as a condition similar to sleep. But, experts say it is more a form. of deep thought. The thought becomes so intense that it is longer just a thought. To the per son, it becomes reality.
3 Hypnotized patients are reported to have increased self-control and a reduced sense of pain. Some doctors use hypnosis to limit pain during a medical operation. Hypnosis is used mainly when the patient may have problems with usual anesthetic or pain-killing drugs.
4 Experts say there is little chance that a patient will awaken during such an operation. But, if this happens, the operation is temporarily halted, and the patient hypnotized again. Doctors may advise hypnosis for women who are giving birth. Dentists may use it in place of traditional pain-killing drugs, such as novocaine (麻醉药).
5 Hypnosis also has been used to treat burn victims. Researchers have found that bum victims who are hypnotized improve faster that those who are not. But, they are not sure why this happens.
6 Hypnosis can reduce or end a patient's pain. But experts say this does not mean the patient is cured. The problem that caused the pain still must be treated.
7 Experts also say persons cannot be forced to do something they would normally oppose. That is why hypnosis often is not effective in treating cigarette smokers and persons who eat or drink too much. The success of the technique depends on how much someone wants it to succeed.
A. Hypnosis Can Reduce or End a Patient's Pain
B. Why Hypnosis Is Not Effective in Treating Cigarette Smokers and Some Other Illness
C. Hypnosis Can Treat Bum Victims
D. The Definition of Hypnosis
E. The Function of Hypnosis
F. The Importance of Hypnosis
Paragraph 2 ______.
What is "computer literacy"？ The term itself seems to imply some degree of" knowing" about computers, but knowing what？ The present opinion seems to be that this should include a general knowledge of what computers are, plus a little of their history and something of how they operate.
Therefore, it is important that educators everywhere take a careful look not only at what is being done, but also at what should be done in the field of computer education. Today most adults are able to use a motor car without the slightest knowledge of how the internalcombustion engine (内燃机) works. We effectively use all types of electrical equipment without being able to tell their histories or to explain how they work.
Business people for years have made good use of typewriters and adding machines, yet few have ever known how to repair them. Why, then, attempt to teach computers by teaching how or why they work？
Rather, we first must fix our mind on teaching the effective use of the computer as the tool is.
"Knowing how to use a computer is what's going to be important. We don't talk about 'auto- mobile literacy'. We just get in our cars and drive them."
The underlined part "print illiterate" in the text refers to ______.
A．one who has never learnt printing
B．one who has never learnt to read
C．one who is not computer literate
D．one who is not able to use a typewriter
What is “computer literacy”？ The term itself seems to imply soon extent of “knowing” about computers, but knowing what. The current opinion seems to be that this should include a general knowledge of what computers are, plus a little of their history and something of how they operate.
Therefore, it is vital that educators everywhere take a careful look not only at what is being done, but also at what should be done in the field of computer education. Today most adults are capable of utilising a motor vehicle without the slightest knowledge of how the internal-combustion engine works. We effectively use all types of electrical equipment without being able to tell their histories or to explain how they work. Business people for years have made good use of typewriters and adding machines, yet few have ever known how to repair them. Why, then, attempt to teach computers by teaching how or why they work？
Rather, we first must concentrate on teaching the effective use of the computer as the tool is.
“Knowing how to use a computer is what’s going to be important, we don’t talk about ‘automobile literacy. ‘ We just get in our cars and drive them.”
第31题：In 1990, the number of jobs having nothing to do with computers in the United States will be reduced to ________.
A) 79 million
B) 30 million
C) 70 million
D) 100 million
What is "computer literacy"？ The term itself seems to imply some extent of "knowing" about computers, but knowing what？ The current opinion seems to be that this should include a general knowledge of what computers are, plus a little of their history and something of how they operate.
Therefore, it is vital that educators everywhere take a careful look not only at what is being done, but also at what should be done in the field of computer education. Today most adults are capable of utilizing a motor vehicle without the slightest knowledge of how the internal-combustion engine works. We effectively use all types of electrical equipment without being able to tell their histories or to explain how they work.
Business people for years have made good use of typewriters and adding machines, yet few have ever known how to repair them. Why, then, attempt to teach computers by teaching how or why they work？ Rather, we first must concentrate on teaching the effective use of the computer as the tool is.
"Knowing how to use a computer is what's going be important. We don't talk about 'automobile literacy'. We just get in our cars and drive them."
In 1990, the number of jobs having nothing to do with computers in the Unite States will be reduced to ______.
A．79 million
B．100 million
C．30 million
D．70 million
M: That is a good idea, but I think the Internet might be more effective nowadays. Many of the companies I know use on-line marketing, and the results are far greater. If you'd like, I can find out more about it and let you know.
W: Hmm... Okay, why don't you do some research and let me know by this evening？ I will talk to the boss and see what he thinks of this idea.
M: All right. I'll call up a guy I know who is a specialist in advertising. I might be able to give you something by this evening.
According to the woman, how did the new designer make a contribution to their new line of clothing？
A．By developing wearable clothes at an affordable price.
B．By getting in contact with several of the local newspapers.
C．By creating a website to promote their new clothes.
D．By coming up with the greatest design suited for young women.
听力原文：W: Have you ever looked really closely at the snowflake？
M: Sure. But they usually melt too fast for me to get a close look. Why do you ask？
W: I'm just curious. I was reading an article about the formation of snowflakes and I realized that I. had never paid much attention to them before.
M: Well, there's a big variety, isn't there？
W: Yeah. But they all have one of three basic forms, hexagonal columns, hexagonal plates, and branching star-shaped form.
M: I wonder why the forms are different. Maybe because ice starts to form. on dust particles with different shapes .
W: Well, I thought it might have something to do with the water saturation of the air, but we were both wrong. The author of this article did extensive research and concluded that the shape of snow crystals is largely controlled by the temperature of the air. For example, the feathery star-shaped snowflake that everyone thinks is typical occurs only at a specific temperature.
M: Doesn't the relative humidity have anything to do with the shapes？
W: Apparently not. The effective super-saturation is simply to alter growth rate. The greater use the saturation, the faster the snowflakes form.
M: Mm, next time it snows, I'll make a point of taking a closer look.
Why has the woman brought up the subject of snowflakes？
A．She has never seen snow before.
B．She is conducting research on snow.
C．She wants to make artificial snow.
D．She has been reading about snow.
警告：系统检测到您的账号存在安全风险
为了保护您的账号安全，请在“简答题”公众号进行验证，点击“官网服务”-“账号验证”后输入验证码“”完成验证，验证成功后方可继续查看答案！
