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作图说明消费者的帕累托最优的含义。(上海交通大学2002研)
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【简答题】When he arrived home early,he would cook meals for his family.
【简答题】It was()he arrived home()he realized that he had left his keys in the office. A) until……that B)not until……had C) until……had D)not until……that
【简答题】had he arrived home than it began to rain．
【单选题】When he arrived home, he deposited his coat on the floor.
A.
kept
B.
stored
C.
located
D.
placed
【单选题】Not until he arrived home _____ he find that this wallet had been stolen.
A.
did
B.
would
C.
when
D.
that
【判断题】In Chinese “24 Solar Terms”, the beginning of a new year, is called the “Beginning of Spring”.
A.
正确
B.
错误
【单选题】Not until he arrived home _____ he find that this wallet had been stolen. [ ]
A.
that
B.
would
C.
when
D.
did
【单选题】Only when he arrived home _____ that he had left his key in the office.
A.
will he realize
B.
he did realize
C.
did he realize
D.
should he realize
【单选题】The beginning of spring is a logical time to start a new year because ______.
A.
it is the most beautiful season
B.
people are less busy in this season
C.
it is a season of rebirth
D.
people are ready to harvest crops
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