单选题When our imports ______ our exports, we say we have a favorable trade balance; however, when our imports and exports are the other way round we say we have an unfavorable trade balance.Afall shortBfall short ofCrun out ofDare lack of
单选题
When our imports ______ our exports, we say we have a favorable trade balance; however, when our imports and exports are the other way round we say we have an unfavorable trade balance.
A
fall short
B
fall short of
C
run out of
D
are lack of
参考解析
解析：
当进口额小于出口额的时候，叫做出超；当进口额大于出口额时，叫做入超。fall short没有达到标准，不够，不足。其后接our exports这一宾语，必需加介词of。run out of用完。be lack of缺乏。所以选项B正确。
当进口额小于出口额的时候，叫做出超；当进口额大于出口额时，叫做入超。fall short没有达到标准，不够，不足。其后接our exports这一宾语，必需加介词of。run out of用完。be lack of缺乏。所以选项B正确。
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