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【单选题】
国内旅游活动与国际旅游活动之间最根本的差别在于()A.
是否跨越国界
B.
经济作用不同
C.
逗留时间不同
D.
消费水平不同
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反馈参考答案：
举一反三
【简答题】If you buy more than ten, they will knock 20 Pence off ______. A) a price B) price C) the price D) prices
【单选题】They will keep the library open until 9:00 p. m. ______.
A.
when necessary
B.
if is necessary
C.
if it necessary
D.
if necessarily
【简答题】Attempt to unify the following pair of expressions. Either show their most general unifiers or explain why they will not unify : p(X, X) and p(a, b)
【简答题】Parents are the closest p 小题1: to you in the world and they will do almost (几乎) a 小题2: for you. But many agers c 小题3: get on well with their parents, because they feel that their parents are n 小题4...
【简答题】根据句意和首字母填写单词。 1. Don't m_____ the New Ocean Waves. 2. They will p_____ in ten different cities. 3. What is your f_____ band? 4. It's one of the best bands on the music s_____.
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