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【多选题】
提高旅游企业经济效益的途径包括( )。A.
增加经营收入
B.
节约成本总额
C.
降低边际成本和收入
D.
增收和节支
E.
利用外部经济
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皮皮学刷刷变学霸
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【简答题】下列四种阀门, 通常情况下最适合流量调节的阀门是( )A. 截止阀 B. 闸阀 C. 考克阀 D. 蝶阀
【单选题】What percentage does Microsoft account for in the software for personal computers in the world?
A.
19%.
B.
90%.
C.
40%.
D.
70%.
【单选题】听力原文：M: When does the train leave? W: It leaves at twelve. Q: What does the man ask about? (20)
A.
Train
B.
Plane
C.
Ship
【单选题】What does the sentence 'So it does them literally a world of good to see this unofficial world championship become just that'(Para. 3 ) imply?
A.
The multi-national corporations are proud of the popularity of the games they sponsor.
B.
The multi-national corporations are glad to see the world become better.
C.
The multi-national corporations can benefit a lot from the globalization of the games.
D.
The multi-national corporations tend to sponsor more local and national games.
【单选题】What do we know about the weather?
A.
It's still raining.
B.
The wind has stopped.
C.
The rain stopped.
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