更多"[简答题]It was said that Nancy was goi"的相关试题:
[单选题]有一个R进制数R5R4R3R2R1R0,其中第R3位是R1位权值的( )倍.
A.2
B.1/R
C.R
D.R2
[单选题] Nancy has done lots of charity work ________ she entered college.
A. when
B. after
C. until
D. since
[单选题]1
--The more I get to know Nancy,the more I can realize that we have a lot _____. --No wonder she is your best friend.
A.in style
B.in common
C.in need
D./
[单选题] Nancy is considered to be _________ the other students in her class.
A. less intelligent
B. the most intelligent
C. intelligent as well
D. as intelligent as
[判断题]电阻R1，R2并联，已知R1＞R2，并联后的等值电阻近似等于R1，即R≈R1。
A.正确
B.错误
[判断题]( )HFD类制冷剂包括R23、R32、R41、Rl25、R134、R143、R152。
A.正确
B.错误
[单选题]
电阻R1，R2并联，已知R1>>R2，并联后的等值电阻近似等于R1，即R≈R1。
A.对
B.错
[简答题]已知R1=2.Ω，R2=2Ω，R3=2Ω，R2与R3并联再与R1串联，总电阻R=______Ω。
教师详解：
[单选题]已知R1=4R2，当R1与R2并联使用时，流过R1的电流为5A。则流过R2的电流为
A.1.25A
B.5A
C.0.8A
D.20A
[单选题]14
-----Marry,who's____ woman over there? She's my aunt,____English teacher.
A.the;the
B.a;the
C.the;an
D.a;an
[单选题]
-----Marry,who's____ woman over there? She's my aunt,____English teacher.
A. the;the
B. a;the
C. the;an
D. a;an
[单选题]两个电阻R1和R2并联，已知R1=2R2，且R2上消耗的功率为1W，则R1上消耗的功率为
A.2W
B.1W
C.4W
D.0.5W
[简答题]少女时代当中哪位成员是super junior歌曲《U》《Marry U》MV的女主角？
