题目内容

降低血钙的激素是

A. 甲状腺激素
B. 甲状旁腺素
C. 降钙素
D. 1,25-(OH)2D2
E. 25-OH3

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论述题 试析文献研究的优缺点。

某股票价格指数,选择A、B、C三种股票为样本股,基期价格、某日收盘价如表1所示。 表 1 股票 A B C 基期价格 5.00 9.00 4.60 收盘价 8.50 18.00 7.80 设基期指数为1000点,则按综合法编制股价指数,该日股价指数为( )点。

A. 1844.09
B. 1805.55
C. 1798.55
D. 1768.85

Advice for job applicants on how to send their personal data. The first stage includes ______.

A. to make sure that all the documents are of the right size and good quality.
B. to send an e-mail with clear and concise contents.
C. to e-mail a complete application along with references.

The internet has important advantages over the newspaper, because ______.

A. job seekers can target the job they want easily and get immediate response
B. digital employment agencies are growing very fast
C. the Internet is described by some as a job machine

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