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【判断题】
晶闸管导通后,若阳极电流小于导通后维持电流,晶闸管并然自行关断。A.
正确
B.
错误
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【单选题】Why do the Americans show less enthusiasm for general ideas man the French?
A.
The French constitution did not allow for experiment
B.
In America, the constitution provides checks and balances.
C.
The social conditions in France led to different ideas.
D.
The Americans have always been in charge of their own public affairs.
【单选题】Why were the French troops in Canada defeated by the British during theSeven Years.War?（）
A.
Because they were not used to the weather in Canada.
B.
Because they did not get support from the local people.
C.
Because they did not receive the supplies they needed so badly.
D.
Because the British had larger and better settlements in Canada.
【单选题】Believe it or not, there are a number of words in the English language which were French in __________.
A.
demand
B.
principle
C.
theory
D.
origin
【简答题】论述管理员工的闲暇对于企业社会工作的意义。
【简答题】若直线 和直线 的交点坐标为( ),则 ____________.
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