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【单选题】
抽样研究的目的是A.
研究样本统计量
B.
研究总体参数
C.
研究典型案例
D.
研究误差
E.
根据样本推断总体数量特征和分布规律
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皮皮学刷刷变学霸
举一反三
【单选题】Passage 2 Vocabulary 1. -proof /pru:f / (suffix) protecting against, or not damaged by, a particular thing, e.g., waterproof (wn't be damaged by water) 2. accreditation /əˌkredɪˈteɪʃn/ n. official app...
A.
to promote a special registration period at a specific university
B.
to encourage people to continue their education at a variety of universities
C.
to give information about funding of courses
【单选题】G. A. mentioned in the talk is believed to be a(n)
A.
anonymous group.
B.
charity organization.
C.
gamblers' club.
D.
treatment centre.
【单选题】As used in this passage, 'structures' means ______.
A.
endurance
B.
organization
C.
necessary parts
D.
energy
【简答题】III. Listen to Bryan Lynn reporting this story for Learning English. First, you learn the following words by yourselves. Then listen to the tape. While listening, try to complete the passage. Wor...
【简答题】Please fill the words according the following definitions. An organization of people ( or countries) involved in a part or treaty. (n. a______)
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