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【单选题】
Aspirin is one of the safest and most effective drags invented by man. The most popular medicine in the world today, it is an effective pain reliever. Its bad effects are relatively mild. It is also cheap. For millions of people suffering from arthritis, it is the only thing that works. Aspirin, in short, is truly the 20th-century wonder drug. It is also the second largest suicide drug and is the leading cause of poisoning among children. It has side effects that, although relatively mild, are largely unrecognized among users. Although aspirin was first sold by a German company in 1899, it has been around much longer than that. Hippocrates, in ancient Greece, understood the medical value of tree barks and leaves which today are known to contain a chemical found in aspirin. During the-19th century, there was a great deal of experimentation in Europe with this chemical, and it led to the introduction of aspirin. By 1915, aspirin tablets were available in the United States. A small quantity of aspirin relieves pain and inflammation. It also reduces fever by affecting some of the body's reactions. Aspirin is very irritating to the stomach lining. The best way is to chew the tablets before swallowing them with water, but few people can stand the bitter taste. Some people suggest crushing the tablets in milk or orange juice. Which of the following statements is NOT true?
A.
Aspirin is good to arthritis sufferers.
B.
Aspirin may be used as suicide drug.
C.
Aspirin is dangerous to small children.
D.
Aspirin has unrecognizable side effects.
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举一反三
【单选题】——I wonder if I could use your mobile phone. ——No problem. .
A.
Good idea
B.
You’ve got it
C.
It’s your turn
D.
Go ahead
【简答题】什么叫互换性?
【简答题】可靠性(reliability)
【单选题】Research has to focus on the cost benefit of factors such as reliability because ______.
A.
as reliability increases, manufacturing final cost may increase
B.
as reliability increases, manufacturing costs and the final cost will decrease
C.
as reliability decreases, manufacturing costs and the final cost will decrease
D.
as reliability increases, manufacturing costs and the final cost may increase
【单选题】Which one is true about reliability and validity?
A.
Validity is pertinent only to a particular instrument and it is an ideal state that you as a researcher to achieve.
B.
Construct validity is a less sophisticated technique for establishing the validity of an instrument.
C.
Reliability is the degree of feasibility or precision in the measurement made by a research instrument.
D.
Rationale equivalence method are not belonged to the method of reliability.
【简答题】什么叫互换性?
【简答题】Explain the qualities of reliability.
【单选题】Which method for establishing reliability does not depend on using the measure itself?
A.
test-retest reliability
B.
split-half reliability
C.
face reliability
D.
research worker reliability
E.
conceptualization of feelings
【判断题】有效应力强度指标比总应力强度指标理论上更可靠。
A.
正确
B.
错误
【简答题】A.sociability B.honesty C.stability D.reliability
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