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【单选题】
Sally: Good afternoon,Sir,May I help you? John: Good afternoon, my name is John Snow from Channel 5.I come here to have an interview with Mr Michael Foot. Q:What does John Snow want to do?A.
He wants to have an interview with Mr Micheal Foot.
B.
He wants to play cards with Mr Micheal Foot.
C.
He wants to play football with Mr Micheal Foot.
D.
He wants to play games with Mr Micheal Foot.
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【简答题】探究物体动能与哪些因素有关的实验。如图，已知m 1 ＞m 2 、h 1 ＞h 2 . 实验a：让钢球m 1 从斜面上h 1 高度自由滚下打到A处的木块上，推动木块做功. 实验b：让钢球m 1 从斜面上h 2 高度自由滚下打到A处的木块上，推动木块做功.（h 2 ＜h 1 ） 实验c：让钢球m 2 从斜面上h 2 高度自由滚下打到A处的木块上，推动木块做功. （1）通过实验______和实验____...
【单选题】When comparing the endocrine system and the nervous system, generally speaking, the endocrine system
A.
is faster-acting than the nervous system.
B.
produces effects that are of shorter duration.
C.
uses amplitude-modulated signals.
D.
produces more localized effects.
E.
relies less on chemical signals.
【简答题】按照流体的旋度,流体的流动可分为 和 。
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