皮皮学,免费搜题
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搜题
【单选题】
在下图所示电路中,已知:Us=10V,I1=-4A,I2=1A。电流I3=( )。
A.
1A
B.
2A
C.
3A
D.
4A
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举一反三
【单选题】They ______ visit us a lot but they don't now.
A.
must
B.
need
C.
can
D.
used to
【多选题】下列格式中,不属于图像文件格式的是( )。
A.
exe格式
B.
jpg格式
C.
mp3格式
D.
bat格式
【多选题】How would you rate this class on a scale of 1-10?
A.
10
B.
9
C.
8
D.
7
E.
6
F.
5
G.
4
【单选题】Hurry up! They ______ for us now.
A.
Must waiting
B.
ought to wait
C.
must be waiting
D.
must have waited
【单选题】Will Quality Eat up the US Lead in Software? If US software companies don't pay more attention to quality, they could kiss their business good-bye. Both India and Brazil are developing a world-class s...
A.
India.
B.
The US.
C.
Brazil.
D.
Germany.
【简答题】He's left now, but productivity hasn't ______that much. A: carried on B; caught up C; picked up
【单选题】下列不属于图像文件格式的是
A.
.jpg
B.
.bmp
C.
.txt
D.
.gif
【单选题】- What's up? You didn't pick up the phone just now. - I'm sorry that I dancing with music on, but it's done now.
A.
practised
B.
was practising
C.
am practising
D.
have practlised
【单选题】在两个部件之间添加配合约束的时候,哪一个部件会从先前的位置移动到满足装配关系的位置?( )
A.
都移动
B.
都不移动
C.
第一个被选择的部件
D.
第二个被选择的部件
【单选题】用户引入线长度城区应不超过 ( )
A.
100
B.
150
C.
200
D.
250
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