I accept that the romance may have gone out of the marriage, but surely this is true _______ many couples.
A.to
B.among
C.on
D.of
A.to
B.among
C.on
D.of
第2题
I could not persuade him to accept it, _____ the important of it.
(A) if only I could not (B) no more than I could (C) or I could not (D) nor could I
第3题
him see the important of it.
(A) if only I could not (B) no more than I could (C) or I could not (D) nor could I
第4题
We agreed to accept ______ they thought was the best tourist guide.
A) whateverB) whomeverC) whicheverD) whoever
第7题
s the best tourist guide.
A) whatever B) whomever
C) whichever D) whoever
第8题
A.Providing
B.Provides
C.Provided
D.Provide
第9题
We all __________________ radiation here on earth from the sun, from cosmic rays and from radioactive minerals.
[A] receive
[B] accept
[C] bring
[D] catch
第10题
电路如图所示,已知晶体管的β=60,UBEQ=0.7V,rbb'=10Ω。 (1) 估算静态工作点Q (IBQ,ICQ ,UCEQ ); (2) 画出放大电路的微变等效电路; (3)求电压放大倍数Au、输入电阻ri和输出电阻ro。