皮皮学，免费搜题
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搜题
【单选题】
下列关于盐酸肾上腺素叙述正确的是A.
制备过程不可以使用金属器具
B.
为α、β肾上腺素受体激动剂
C.
性质稳定
D.
可口服给药
E.
有一个手性中心，临床使用左旋体
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】E-mail, as well as the telephone, ___________ an important part in daily communication.
A.
is playing
B.
have played
C.
are playing
D.
play
【单选题】E-mail (as well as) mobile telephones (are) becoming (more and more) popular (in) daily communication.
A.
as well as
B.
are
C.
more and more
D.
in
【简答题】标准件无需绘制图纸,只需注明其规格( 型式、结构和尺寸 )和 标准 。
【简答题】标准件无需绘制图纸,只需注明其规格( 型式、结构和尺寸 )和 标准 。
【单选题】With the development of modern society, E-mail as well as telephones _____ an important part in daily communication. [ ]
A.
have played
B.
is playing
C.
are playing
D.
played
【简答题】E-mail, as well as telephone, ______ an important part in daily communication. A) is playing B) have played C) are playing D) hoped
【简答题】E-mail, as well as telephones, ______ an important part in daily communication. A) is playing B) have played C) are playing D) play
【简答题】标准件无需绘制图纸,只需注明其规格( 型式、结构和尺寸 )和 标准 。
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