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【多选题】
下列属于马可创作的秧歌剧有( )?A.
《南泥湾》
B.
《兄妹开荒》
C.
《夫妻识字》
D.
《负伤》
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Utopia: Euphoria. This is Utopia. Visibility at Dixieville is 500m. Visibility is expected to increase to 1500m, in next two hours. Present visibility is m. Visibility is expected to
A.
800, decrease to 200m
B.
2000, decrease to 500m
C.
500m, increase to 1500m
D.
50m, increase to 500m
【单选题】S1:M.V. Helper, this is M.V. Blue Whale. What is the result of search? Over.S2:M.V. Blue Whale, this M.V. Helper. Sighted persons in water in position 47°N 050°W. Over.S1:M.V. Helper, this is M.V. Bl...
A.
Because they have rescued all survivors.
B.
Because they connot rescue more survivors.
C.
Because they survivors are in bad condition.
D.
Because they hope to return as soon as possible.
【单选题】The acceleration of a particle is m/s3. Assuming its initial position is m and its initial velocity is m/s, its position at the time s is [ ].
A.
24m
B.
25m
C.
8m
D.
9m
【简答题】Is m＞0? (1) |m|/2=2 (2) m3=
【单选题】Utopia: Gargantua. This is Utopia. Visibility at Oredock is 50m. Visibility is expected to increase to 500m, in next four hours. Present visibility is m. Visibility is expected to
A.
800, decrease to 200m
B.
2000, decrease to 500m
C.
500m, increase to 1500m
D.
50m, increase to 500m
【单选题】Utopia: Gargantua. This is Utopia. Visibility at Egghaven is 800m. Visibility is expected to decrease to 200m, in four hours. Present visibility is m. Visibility is expected to
A.
800, decrease to 200m
B.
2000, decrease to 500m
C.
500m, increase to 1500m
D.
50m, increase to 500m
【单选题】Utopia: Androcles. This is Utopia. Visibility at Appleport is 2000m. Visibility is expected to decrease to 500m, in next four hours. resent visibility is m. Visibility is expected to
A.
800, decrease to 200m
B.
2000, decrease to 500m
C.
500m, increase to 1500m
D.
50m, increase to 500m
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