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【单选题】
A quota rent is:A.
a quota on trade imposed by the exporting country.
B.
levied as a fixed charge for each unit of a good imported.
C.
levied as a proportion of the value of the imported good.
D.
the extra profit producers make when supply is artificially limited by an import quota.
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举一反三
【单选题】Listen to the following five short dialogues and choose the appropriate answers.
A.
The conference was held last Wednesday.
B.
The conference was held this morning.
C.
The conference was canceled.
D.
The conference was put off.
【单选题】If you don't , you are sure to succeed. [ ]
A.
stop to do it
B.
give up trying
C.
catch up with it
D.
throw it away
【单选题】To 'stick to something' means that you continue to do it and don’t ______.
A.
give in
B.
put off
C.
give up
D.
put up
【简答题】求出 1~599 中至少有一位数字为 5 的所有整数。提示:将 1~599 中的整数 i 分解成个位、十位、百位,分别存放在变量 a 、 b 、 c 中,然后判断 a 、 b 、 c 中是否有 5 。
【单选题】When you don't know what to do next, never give up, just ______. working out your problem.
A.
carry on
B.
make sure
C.
try out
【单选题】Listen to the following five short dialogues and choose the appropriate answers.
A.
He has found something wrong with the new computer.
B.
He has used his new computer for writing his paper.
C.
He has just assembled(安装) the computer.
D.
He is tired of using this new computer.
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