皮皮学,免费搜题
登录
搜题
【单选题】
电力系统中性点运行方式分为()和()两种方式
A.
经消弧线圈接地 ,非直接接地
B.
直接接地,非直接基地
C.
不接地,经消弧线圈接地
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】{ In a half-wave rectifier circuit, for a typical real silicon diode (not ideal diode) at room temperature, the output voltage is less than the source voltage. This is because ( ). }
A.
There is no voltage drop across the diode.
B.
There is a voltage drop (approximately 0.7V) across the diode.
C.
The diode is in the reverse-bias region.
D.
There is a voltage drop (approximately 6V) across the diode.
【单选题】Nous avons pris un repas nous sommes très satisfaits .
A.
en
B.
duquel
C.
de
D.
dont
【单选题】某市一名学生在网上写给市长的 “ 从我做起,建设美丽城市的建议 ” 的帖子,得到了政府的积极回应。该学生参与民主决策的形式是
A.
社情民意反映制度
B.
社会公示制度
C.
专家咨询制度
D.
社会听证制度
【单选题】学前儿童美术欣赏的直觉感知美术形象的时期指儿童的( )
A.
O ~2岁
B.
3~4岁
C.
5 ~ 7岁
D.
2 ~ 7岁
【单选题】If one silicon diode and one germanium diode are connected in series, the voltage drop across the combination of the two diodes will be equal to __________.
A.
the forward drop equal to that of the silicon diode
B.
the forward drop equal to that of the germanium diode
C.
the forward drop equal to that of the sum of the voltage drops across the two diodes
D.
the forward drop equal to that of the difference of the voltage drops across the two diodes
【判断题】学前儿童美术欣赏发展分为本能直觉期和直接感知美术形象的时期阶段。()
A.
正确
B.
错误
【单选题】以下宝贝标题中的关键词,属于主关键词的是_________。
A.
沐浴露
B.
2017
C.
宝贝专用的沐浴露
D.
补水
【单选题】The piecewise linear model, equivalent circuit of the diode consists of ( ).
A.
a junction capacitor, a battery, a small resistor, and the ideal diode
B.
a battery, a small resistor, and the ideal diode
C.
a battery and the ideal diode
D.
the ideal diode
【单选题】In a circuit, a diode is properly operated with a reverse-biased voltage and in breakdown region, the type of the diode is most probably ( )
A.
photodiode
B.
light-emitting diode
C.
Schottky barrier diode
D.
Zener diode
【单选题】学校在决定是否要建一个西餐厅时,考虑到我校学生对西餐需求较小,因此否决了,这考虑到了有效市场细分的()条件
A.
可衡量性
B.
可实现性
C.
可盈利性
D.
可区分性
相关题目: