单选题：Questions are based on the passage you have just heard．

题目分类：英语六级
题目类型：单选题
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题目内容：

Questions are based on the passage you have just heard． A．
[B]Sleep may improve memor
B．
[C]Exams may harm memor
C．
[D]Sleep can improve listening abilit
D．

参考答案：

答案解析：

[A]They develop their identities within peer groups． [B]They

[A]They develop their identities within peer groups． [B]They receive informal ed

分类：英语六级题型：单选题

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[题共用备选答案]A．哌替啶 B．可待因 C．芬太尼 D．吗啡 E．喷他佐辛

分类：英语六级题型：单选题

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上述哪—个药能抑制尿酸在肾小管的再吸收

分类：英语六级题型：单选题

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[A] A snowstorm． [B] An earthquake． [C] Atraffic accident． [

[A] A snowstorm． [B] An earthquake． [C] Atraffic accident． [D] A hurricane．

分类：英语六级题型：单选题

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适于制备缓、控释制剂的药物条件不包括

适于制备缓、控释制剂的药物条件不包括A．剂量一般在0.5～1.0 g B．吸收完全或具有吸收规律 C．半衰期在2—8小时的药物 D．药效缓和的药物 E．剂量需要

分类：英语六级题型：单选题

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