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【单选题】
How long should we keep the video tapes of surveillance cameras?A.
You should keep the video tapes for at least five months.
B.
The video tapes should be kept for at least three months.
C.
You should keep the video tapes for at least one month
D.
You should keep the video tapes for at least two months.
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【单选题】Companies are creating new tables all the time in order to stay competitive and _____.
A.
attracting new customers
B.
don't lose their customers
C.
increase the number of customers
【简答题】最早正式使用“班级”一词的著名教育家是____________。
【单选题】New oak tables are normal goods. What would happen to the equilibrium price and quantity in the market for oak tables if the price of maple tables rises, the price of oak wood rises, more buyers ente...
A.
Price will fall and the effect on quantity is ambiguous.
B.
Price will rise and the effect on quantity is ambiguous.
C.
Quantity will fall and the effect on price is ambiguous.
D.
Quantity will rise and the effect on price is ambiguous.
【单选题】New oak tables are normal goods. What would happen to the equilibrium price and quantity in the market for oak tables if the price of maple tables rises, the price of oak wood rises, more buyers ente...
A.
Price will rise and the effect on quantity is ambiguous.
B.
Quantity will fall and the effect on price is ambiguous.
C.
Quantity will rise and the effect on price is ambiguous.
【单选题】There a film tomorrow night.
A.
have
B.
is going to have
C.
will have
D.
is going to be
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