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【多选题】
下面对旅游学性质的描述,正确的是( )。A.
旅游学属于社会科学
B.
B旅游一门边缘学科
C.
旅游一门应用性较强的学科
D.
旅游社会科学中一门由多种学科理论和知识交叉的边缘性应用学科。
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反馈参考答案：
举一反三
【单选题】Suppose that Dent Carr's long run total cost of repairing s cars per week is c(s)=3s 2 + 27.If the price he receives for repairing a car is 30, then in the long run, how many cars will he fix perweek ...
A.
5
B.
0
C.
10
D.
7.5
【简答题】あの部屋は夏は暑いです。冬は大変寒いです。
【单选题】The scientist ______ most of his experiments if he had not run short of his fund.
A.
would finish
B.
had finished
C.
would have finished
D.
ought to have finished
【简答题】Paulo will hurt his ankle if he will run to far
【单选题】Since there was no way out, the robber decided to _______on his luck to see if he could run away. [ ]
A.
make a chance
B.
take chance
C.
take a chance
D.
try a chance
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