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【单选题】
上消化道包括A.
口腔、咽和食管
B.
口腔、咽、食管和胃
C.
口腔、咽、食管、胃和十二指肠
D.
口腔、咽、食管、胃和小肠
E.
空肠及其以上的消化管
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【简答题】In almost all of the major Western European cities private car transport accounts for between 70 and ______ percent of passenger-kilometers.
【简答题】线性表的顺序存储结构是通过______________________直接反应数据元素之间的逻辑关系,而链式存储结构则是通过___________间接反映数据元素之间的逻辑关系。
【单选题】Total welfare gains from trade to the economy can be measured:
A.
as the sum of consumer and producer surpluses.
B.
as the difference between producer surplus and consumer surplus.
C.
as the sum of consumer and producer surpluses minus taxes
D.
as the net gain in consumer surplus that results from an action that alters a market equilibrium.
【单选题】All the following are included in the price of ￡ 299 EXCEPT______.
A.
transport between the airport and the hotel
B.
telephone calls made by tourists
C.
the services of guides to tourists
D.
double rooms for every two tourists
【判断题】While trade restrictions do provide gains to certain segments in the economy, such restrictions will always lower national welfare.
A.
正确
B.
错误
【简答题】线性表的顺序存储是通过_________来反映数据元素之间的逻辑关系，而链式存储结构是通过__________反映数据元素之间的逻辑关系。
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