新发现和从国外引种的药材，经 ( )审核批准后，方可销售
A. 中国药材公司
B. 国家中医药管理局
C. 巴国家食品药品监督管理局
D. 国家中药品种保护审评委员会
E. 卫生部
查看答案
术前皮肤准备的叙述错误的是
A. 一般手术前1日进行
B. 修剪指(趾)甲，手术区皮肤剃毛
C. 骨科无菌手术要求术前3天开始备皮
D. 小儿术前也应常规剃毛
E. 四肢手术备皮范围包括切口上下各20cm的整段肢体
We can learn that in the gathering last June ______.
A. the followers were all members of Weather Underground
B. two former Weathermen wanted to draw new members
C. the Academy Award was decided to be given to that discussion
D. the main components of the participants were young men
After those scientists come, there's a new______ in our town for recycling plastic bottles.
A. schedule
B. scheme
C. scout
D. safeguard
According to the author, how is the approach of physicists to solving scientific problems
A. Practical for scientific purposes.
B. Detrimental to scientific progress.
C. Unimportant in most situations.
D. Expedient, but of little long-term value.
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