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【单选题】
75%的消毒酒精,是指( )A.
100ml溶液中含75ml酒精
B.
100克水中含75ml酒精
C.
25ml溶液中加入75ml酒精
D.
100克水中含75克酒精
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A.
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B.
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C.
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D.
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【单选题】There is one cabin for the Chief Officer and another one for the Pilot.Between them is the officer`s mess room.
A.
The Chief Officer`s cabin is opposite the mess room
B.
The Chief Officer`s cabin is opposite the Pilot`s
C.
The Chief Officer`s cabin is next to thr mess room
D.
The Chief Officer`s cabin is next to the Pilot`s
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