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【单选题】
一个实际电路,当电路电流增大时,电源的端电压( )。A.
增大
B.
不变
C.
减小
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举一反三
【单选题】In our English class, the English teacher asked us to stand up and introduce__________.
A.
we
B.
us
C.
our
D.
ourselves
【单选题】In our class, when the bell rang and the teacher came in, it was a _____ for every student to stand up. [ ]
A.
signal
B.
chance
C.
sign
D.
command
【单选题】Her interesting face, with a long nose and big eyes, is what makes her _____.
A.
stand by
B.
stand for
C.
stand up
D.
stand out
【单选题】What does the number Yao Ming chose stand for?
A.
two long legs
B.
two long arms
C.
two tall people in love
D.
tow big countries
【单选题】If the engine _____ for a long period, there will be a danger of frost.
A.
must to stand inoperative
B.
has to stand inoperative
C.
must be stood idle
D.
will stand idle
【单选题】Every Monday morning, all the teachers and students in our school stand at ____ as our national
A.
23. Every Monday morning, all the teachers and students in our school stand at ____ as our national flag is raised. A．attention
B.
attentions
C.
at ease
D.
Attentively
【简答题】We have been practicing for so long and so hard that our team should stand a chance __________ winning the ;
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