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【判断题】
物体运动时,如果它的速率保持不变,它所受的合外力一定为零。A.
正确
B.
错误
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举一反三
【单选题】-Why do you like comedies? -_____________ [ ]
A.
I often watch movies at home
B.
Because I think they're interesting
C.
I like comedies very much
D.
I don't like documentaries
【简答题】什么是视在功率，有功功率和无功功率？
【单选题】On summer nights, I often go to sleep _____ the windows ______. [ ]
A.
with, on
B.
with, open
C.
with, close
D.
let, open
【简答题】什么是视在功率、有功功率、无功功率？
【简答题】Joe Sanders has 1 garden in our town. Nearly everybody enters for 'The Nicest Garden Competition' each year, but Joe wins every time. Bill Frith's garden is 2 than Joe's. Bill works harder than Joe an...
【单选题】---On summer nights the weather is usually very hot. ---Yes, so I often go to sleep ______ the windows ______.
A.
with, on
B.
have, open
C.
with, open
D.
with, closed
【单选题】Bill Frith's garden is larger than Joe's. It is ______.
A.
larger garden
B.
a large garden
C.
large garden
D.
largest garden
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