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问题 单项选择题

男性，20岁。幼时有蚕豆黄病史，近日寒战、发热、出汗。血涂片找到间日疟原虫。在进行治疗时哪种药物不宜采用（）

A.氯喹

B.伯氨喹

C.甲氟喹

D.青蒿素

E.奎宁

答案

参考答案：B

问答题

16号和17号车钩由哪些零部件组成？
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单项选择题

The settlement price for a futures contract is:()

A. an average of the trade prices during the ’ closing period’ 

B. the price of the last trade of a futures contract at the end of the trading day. 

C. the price at which all trades over a certain period are executed.
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