题目内容

news report 3[音频]

A. Bytyingittoadoorhandle.
Byshakingitbackandforth.
C. Witharemotecontrolcraft.
D. Withafull-sizedhelicopter.

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news report 3

A. HehaslotsoffansonFacebook.
B. Hehasrichexperienceinflying.
C. Heoftensuffersfromtoothaches.
D. Hehaslearnedtopullteethfromavideo.

news report 3

A. Spendmoretimetogether.
B. Tellthemadventurestories.
C. Dosomethingfunandcreative.
D. Playwiththeminasafeplace.

现行《中国药典》是( )

A. 2015年版
B. 2005年版
C. 2010年版
D. 2020年版

乙醇未指明浓度,是指( )的浓度。

A. 95%(g/ml)
B. 95%(ml/ml)
C. 100%(g/ml)
D. 100%(ml/ml)

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