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【单选题】
关于药物结构特征下列说法错误的是A.
雌激素的A环为苯环
B.
黄体酮具有甲酮基
C.
氢化可的松具有酚羟基
D.
炔雌醇具有乙炔基
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反馈参考答案：
举一反三
【多选题】在SQLSERVER2000中存在一些高危的存储过程，这些存储过程极容易被攻击者利用，攻击数据库和主机系统。下面的存储过程，哪些可以用来执行系统命令或修改注册表?
A.
xp_cmdshell
B.
xp_regwrite
C.
xp_regdeletekey
D.
sp_OAGetErrorInfo
【单选题】Ostensibly(表面上), the Alcoa project was intended to save one of these dying regions—the remote and sparsely populated east—where the way of life had steadily declined to a point of desperation and gloo...
A.
fewer fishing companies.
B.
fewer jobs available.
C.
migration of young people.
D.
imposition of fishing quotas.
【简答题】Translate the following sentences into Chinese. She seemed frozen in an eternal panic lest the bath towel slip down any farther. Whenever
I found myself in a penal position before the head's de...
【单选题】____ the gloom was a prediction by a top banking assciation that said the worse has yet to come for the world economy.
A.
adding to
B.
worsening
C.
in
【简答题】数据库在存储过程中文件的默认扩展名为______。
【简答题】简述细菌摄取氨基酸的方式。
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