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【单选题】
When we forward-bias a P-N junction ,it fails to conductA.
unless the junction has enough capacitance
B.
if the applied voltage is less than the forward breakover voltage
C.
if the applied voltage exceeds the avalanch voltage
D.
unless the voltage remains constant
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【简答题】CASS类别码中房屋的代码是( ),直折线类代码是( )。
【单选题】节事活动策划的理念是节事策划的灵魂与核心 , 也是节事活动成功的关键因素之一节事活动策划的理念包含
A.
科学发展理念与节约理念
B.
和谐理念与人本理念
C.
人本理念与成本理念
D.
环保理念与创意理念
【多选题】下列那些话使用的是命令式虚拟语气?
A.
So, he ordered that a canal be constructed for trading purposes, as well as a way to ship supplies north.
B.
Hou insisted that the country needed its own pharmaceutical manufacturer, one capable of producing highquality Chinese-patented drugs.
C.
Speaking after the defeat, he suggested that going out of the Cup could help the club, which is in the relegation zone.
D.
He suggested that all countries, civic groups and individuals change their mindset and behavior in order to coordinate and safeguard human civilizations.
【简答题】would rather后句子用虚拟语气时的用法是什么?
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