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【简答题】
物体的加速度跟所受的合外力成 比,跟物体的质量成 比,加速度的合外力的方向相同。这就是牛顿第二定律。
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皮皮学刷刷变学霸
举一反三
【单选题】From the passage, we can know that the computer system can provide information of ______.
A.
details about the burning building
B.
invalids living in the burning building
C.
medical records of every firefighter in the city
D.
all of the above
【单选题】A naval parade can provide a platform, _____ navies on behalf of different nations can communicate．
A.
in which
B.
through which
C.
where
D.
that
【简答题】UPS can provide service by ______.
【单选题】Insurance can provide ninny kinds of protection which can be divided into three types.
A.
Y
B.
N
C.
NG
【简答题】任务2-2的WL3回路安全型二三孔单相插座的工程量是()套。
【单选题】We can ______ food ______ the hungry children. [ ]
A.
provide; with
B.
take; with
C.
provide; for
D.
take; for
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