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【判断题】
对于一个放大器来说,一般希望其输入电阻高一些,以减轻信号源的负担,输出电阻低一些,以增大带动负载的能力。A.
正确
B.
错误
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举一反三
【单选题】It can be inferred from the passage that people's views on beauty are often______.
A.
practical
B.
supportive
C.
old-fashioned
D.
one-sided
【单选题】O'Neal works hard. He is often seen _______ heavily before his teammates have even arrived at practice.
A.
sweated
B.
to be sweated
C.
sweating
D.
being sweated
【单选题】( )(改编)Stephen often practices English________ chatting with his American friend.
A.
in
B.
by
C.
for
D.
with
【单选题】Stephen: I want to send this package parcel post, registered. Clerk: ______ ? Stephen: Yes, please, for sixty dollars.
A.
Do you want it guaranteed
B.
Do you want it insured
C.
Do you want it preserved
D.
Do you want it ensured
【单选题】We should often practi c e _________ English with each other.
A.
to speak
B.
spoke
C.
speak
D.
speaking
【单选题】(改编题)Stephen often practices English________ chatting with his American friend.
A.
in
B.
by
C.
for
D.
with
【单选题】Stephen often practices English_____ chatting with his American friend.
A.
in
B.
by
C.
for
D.
with
【简答题】______ she first heard of the man referred to as a specialist. A) That was from Stephen B) It was Stephen whom C) It was from Stephen that D) It was Stephen that
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