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【单选题】
理想运算放大器的开环电压放大倍数是A.
无穷大
B.
零
C.
约120 dB
D.
约10 dB
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反馈参考答案：
举一反三
【简答题】针对矿石中元素赋存状态的研究,通常有哪些方法。
【单选题】The yield curve shows
A.
the yields on stocks of different maturities.
B.
the interest rates on bonds of different maturities.
C.
the yields on stocks with differing default risk.
D.
the yields on bonds with differing default risk.
【单选题】—Hi, Jim. I haven't seen you for a long time! You look well! —_______. You look well, too. [ ]
A.
Great
B.
Thanks
C.
Oh, no
D.
Not at all
【单选题】-----Hi, I haven’t seen you for years. You look well. -----________. You look well, too.
A.
Great
B.
Thanks
C.
Oh, no.
D.
Not at all
【单选题】听力原文：M: Hi, Claire. How does it feel to be back on campus? W: Keith, hi. Well, to tell you the truth, I have mixed feelings. M: Oh, why? W: I had this great summer job that I really hated to leave. I ...
A.
The birds won't learn to keep away from people.
B.
She might change her major.
C.
There are more endangered species in zoos than in the wild.
D.
She wasn't quite ready to come back to campus.
【单选题】The curvature of the price-yield curve for a given bond is referred to as the bond's
A.
modified duration.
B.
immunization.
C.
sensitivity.
D.
convexity.
E.
tangency.
【单选题】听力原文：M: Hi, Claire, how does it feel to be hack on campus? W: Keith, hi, well, to tell you the truth, I have mixed feelings. M: Oh, why? W: I had this great summer job that I really hated to leave. I ...
A.
The birds won't learn to keep away from people.
B.
She might change her major.
C.
She wasn't quite ready to come back to campus.
D.
There are more endangered species in zoos than in the wild.
【单选题】Bruna, as well as his sister,( )enrolled in the computer course
A.
have
B.
has
C.
having
D.
haven
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