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【单选题】
关于注射用水的叙述正确的是A.
可采用离子交换法制备
B.
不需检查pH
C.
必须通过热原检查
D.
注射用无菌粉末临用前用药用纯化水溶解
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
【简答题】专家们一致认为这的确是一场精彩的表演。 (performance)
【简答题】按链传动的用途不同,链可以分为( )( )和起重链
【单选题】专家们一致认为这的确是一场精彩的表演。
A.
Experts agree that this is a truly great/excellent/wonderful performances.
B.
Experts agree that this is a truly great/excellent/wonderful perform.
C.
Experts agree that this is a truly great/excellent/wonderful performance.
D.
Experts agrees that this is a truly great/excellent/wonderful performance.
【简答题】按照用途的不同,链传动可分为 、 和 。
【单选题】Choose the correct translation of the following sentence: 专家们一致认为这的确是一场精彩的表演。
A.
Experts agree that this is a truly great/excellent/wonderful performances.
B.
Experts agree that this is a truly great/excellent/wonderful perform.
C.
Experts agree that this is a truly great/excellent/wonderful performance.
D.
Experts agrees that this is a truly great/excellent/wonderful performance.
【简答题】链传动按其用途的不同,链可以分为 、 、和曳引起重链三种。
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