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【简答题】
若加计数器的计数输入电路(CU) 、复位输入电路(R) ,计数器的当前值加1。当前值大于等于设定值开触点 ,常闭触点 。
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皮皮学刷刷变学霸
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【简答题】He arrived home _____.
【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
【单选题】Which one is not the food people are used to eating on Beginning of Spring?
A.
spring pancakes
B.
spring rolls
C.
turnips
D.
chuncai
【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】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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