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【单选题】
在标准化的心理测验中,测验量表的真实程度为( )A.
效度
B.
信度
C.
灵敏度
D.
标准度
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【简答题】阴离子聚合的机理特点是:
【简答题】阴离子聚合机理的特点是（）
【单选题】听力原文： The International Olympic Committee is releasing an evaluation report on the five cities bidding to stage the 2012 Olympic s. The report won't rank the cities but it is intended to guide the...
A.
financing
B.
weather
C.
transport
D.
public support
【单选题】听力原文：You know what? I've got to finish that evaluation report for the board meeting next week. A 10-page report within the week! There goes my social life this weekend. (23)
A.
I cannot finish the report in time.
B.
I hate to join in social activities this weekend.
C.
I have to work extra time over the weekend.
D.
I will not attend the board meeting next week.
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