皮皮学,免费搜题
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搜题
【单选题】
病人,男性,65岁,慢性支气管炎急性发作经吸氧后好转,停用氧气时护士
A.
关流量表
B.
取下湿化瓶
C.
关总开关
D.
拔出鼻导管
E.
拔出鼻导管的玻璃接管
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【单选题】在图中所示放大电路,已知U cc =6V、R c =2KΩ、R B =200Kω、 =50。放大电路的静态工作点为( )。
A.
30微安
B.
1.5毫安
C.
3豪安
D.
1豪安
【单选题】They are the heirs ___________. a) who have priorities over others b) who have the legal right to receive the property, money or title.
A.
who have priorities over others
B.
who have the legal right to receive the property, money or title.
【判断题】35岁的孩子在探索所有发现时感到兴奋和满足。
A.
正确
B.
错误
【简答题】在图所示放大电路中,已知三极管3DG4的β=80,r b =300Ω。
【单选题】- The girl __all her pocket money to the people in the Southwest for the serious drought(旱灾).   - What a good girl!
A.
took away              
B.
gave up              
C.
gave away
【单选题】They are the heirs ___________. a) who have priorities over others b) who have the legal right to receive the property, money or title.
A.
a) who have priorities over others
B.
b) who have the legal right to receive the property, money or title.
【单选题】在图中所示放大电路,已知Ucc=6V、Rc=2KΩ、RB=200KΩ、β=50。放大电路的静态工作点为( )。
A.
30μA
B.
1.5mA
C.
3mA
D.
1mA
【单选题】在图中所示放大电路,已知Ucc=6V、Rc=2KΩ、RB=200Kω、β=50。放大电路的静态工作点为( )。
A.
mg src="http://p.ananas.chaoxing.com/star3/origin/817ef654113361adc41e6c385a0498a4.jpg">
B.
30μA
C.
1.5mA
D.
3mA
E.
1mA
【单选题】在图中所示放大电路,已知Ucc=6V、Rc=2KO、RB=200KO、。放大电路的静态工作点为()。
A.
30mA
B.
1.5mA
C.
3mA
D.
1mA
【简答题】something such as money or property that a person or company owns
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