电路如图所示，已知当Us=20V时，Uab=10V，当Us=0V时，Uab=（）V。[img=397x276]1803bc408f9f382.png[/img] A: 5 B: -5 C: 10 D: -10
电路如图所示，已知当Us=20V时，Uab=10V，当Us=0V时，Uab=（）V。[img=397x276]1803bc408f9f382.png[/img] A: 5 B: -5 C: 10 D: -10
People ______ between 10 to 20 should be named us "young people"
People ______ between 10 to 20 should be named us "young people"
已知一脉冲信号其周期为10uS，经过一个四分频器后，输出脉冲的周期为（）。 A: A40uS B: B20uS C: C10uS D: D2.5uS
已知一脉冲信号其周期为10uS，经过一个四分频器后，输出脉冲的周期为（）。 A: A40uS B: B20uS C: C10uS D: D2.5uS
T64定时器的时钟脉冲（） A: 1 ms B: 10 us C: 100 ms D: 10ms
T64定时器的时钟脉冲（） A: 1 ms B: 10 us C: 100 ms D: 10ms
Ⅲ.选择正确的答案 20% ( 2%×10) My father _______ for us tomorrow evening.
Ⅲ.选择正确的答案 20% ( 2%×10) My father _______ for us tomorrow evening.
In our letter of May 10, we make ______ clear that shipment be effected in June. A: you B: them C: us D: it
In our letter of May 10, we make ______ clear that shipment be effected in June. A: you B: them C: us D: it
Are there enough books for ____? A: three us B: us three C: all us D: the three us
Are there enough books for ____? A: three us B: us three C: all us D: the three us
______ agrees to your plan. A: Anyone of us B: No one of us C: None of us D: Someone of us
______ agrees to your plan. A: Anyone of us B: No one of us C: None of us D: Someone of us
Mr. Yang ______. A: teaches math us B: teaches us to math C: teaches math to us D: us teaches math
Mr. Yang ______. A: teaches math us B: teaches us to math C: teaches math to us D: us teaches math
Questions 6 to 10 are based on the following news. A: The US dollar slipped more than a half from its highest point in 2002. B: The US dollar slipped more than a third from its highest point in 2002. C: The US dollar slipped more than a fourth from its highest point in 2002. D: The US dollar slipped more than a fifth from its highest point in 2002.
Questions 6 to 10 are based on the following news. A: The US dollar slipped more than a half from its highest point in 2002. B: The US dollar slipped more than a third from its highest point in 2002. C: The US dollar slipped more than a fourth from its highest point in 2002. D: The US dollar slipped more than a fifth from its highest point in 2002.