题目内容
(请给出正确答案)
[单选题]
__________ we are calculating is the instantaneous acceleration of the particle.
A.What
B.That
C.Which
D./
提问人:网友jjlloo
发布时间:2022-01-07
A.What
B.That
C.Which
D./
B.That
C.Which
D./
A、It usually has only one cause.
B、It is usually caused by people.
C、People can easily manage it.
D、Most people suffer from it.
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