皮皮学，免费搜题
登录
搜题
【单选题】
在下图所示电路中,已知直流电压UI=3V,二极管的正向导通时压降为0.7V,则UO为( )。A.
3V
B.
3.7V
C.
2.7V
D.
4.3V
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】My trip to the small village under the control of the enemy fire was full of delays and difficulties, but I eventually ( ) .
A.
got by
B.
turned it over
C.
hit the sack
D.
made it
【单选题】After the big fire, only a small part of the forest _____. [ ]
A.
kept
B.
appeared
C.
remained
D.
continued
【单选题】Don’t be worried about the small fire in that field. It won’t be long before it ____.
A.
burns up
B.
burns down
C.
burns out
D.
burns away
【单选题】Which of the following small towns holds the Prairie Fire Festival annually?
A.
Cassoday.
B.
Cottonwood Falls.
C.
Chase County.
D.
Clements.
【简答题】阅读理解。 This morning, a boy of twelve saw a small fire at one end of a ship. Tom left home very early, against the wishes of his father, to see the ships at the port. It was a good thing that he did, be...
【单选题】The building, _________ roof was damaged in the big fire, is actually a small hospital.
A.
where
B.
whose
C.
which
D.
that
【简答题】A．In a log cabin. B．In a shelter. C．In the forest with an open fire. D．In a small house.
【单选题】If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used?
A.
Fixed CO2, semi-portable CO2, then hand portable CO2
B.
Semi-portable CO2, fixed CO2, then hand portable CO2
C.
Hand portable, semi-portable CO2, then as a last resort the fixed CO2 system
D.
Hand portable, fixed CO2, then as a last resort the semi-portable CO2
相关题目：
参考解析：
知识点：
题目纠错 0
发布
