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【简答题】
当人体在旋转过程中,将两臂靠拢身体则转动惯量____。
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The thing you wash your hair with must be_____
A.
used with care
B.
very strong
C.
extremely mild
D.
fashionable
【单选题】You ______ wash your hands before meals. It is good for your health.
A.
may
B.
can
C.
must
【单选题】You must wash your hands when preparing food to______passing on disease to your family.
A.
worry about
B.
protect against
C.
pay attention to
D.
guard against
【单选题】The thing you wash your hair with must be________． 查看材料
A.
used with care
B.
very strong
C.
extremely mild
D.
fashionable
【单选题】“You can have some cakes, ______ you must wash your hands first.” Mum says.
A.
and
B.
or
C.
but
D.
so
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