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【单选题】
压力水柜水压为 0.3Mpa ,其水位比水舱水位高 8m ,其供水泵排压 0.4Mpa ,吸压 -0.05Mpa ,则该泵管路阻力约为A.
2m
B.
7m
C.
12m
D.
都不对
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举一反三
【单选题】-What's that? -________________ [ ]
A.
It's very beautiful.
B.
It's a robot.
C.
Yes, it is.
【简答题】《走笔谢孟谏议寄新茶》的作者是唐代诗人 。
【单选题】( )------ What's that ? ------ It's _________ . A . robot B. a robot C . robots
A.
robot
B.
a robot
C.
robots
【简答题】A sweeping robot is _________(确切地)what I want for my house此题出自2015年湖北宜昌中考英语真题及答案 A sweeping robot is _________(确切地)what I want for my house
【单选题】Technology helps to reduce the time delay _____ a doctor's order to the robot and the robot's actions.
A.
for
B.
at
C.
between
D.
from
【单选题】Mr. Su’s robot has caught a virus. He’s complaining ______ the shop_______ the robot.
A.
about, about
B.
about, to
C.
to, to
D.
to, about
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