选择题:[单选题,7.6分] No attempt has been made to ____ a comp

题目内容:
[单选题,7.6分] No attempt has been made to ____ a complete bibliography of these writings.

A. provide
B.secure
C.ensure
D.inform
参考答案:

B.阿托品A.阿普唑仑D.双氢可待因C.哌醋甲酯根据《麻醉药品品种目录(2013年版)》和《精神药品

B.阿托品A.阿普唑仑D.双氢可待因C.哌醋甲酯根据《麻醉药品品种目录(2013年版)》和《精神药品品种目录(2013年版)》属于麻醉药品的是

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