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【单选题】
在传动过程中有严重冲击现象的间歇机构,是( )。A.
不完全齿轮机构
B.
棘轮机构
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
举一反三
【单选题】Can you tell me ______? [ ]
A.
how much does it cost
B.
how much is it
C.
how much it costs
【简答题】一般来说,由于消费品的顾客多,分布广,购买频率高,因此消费品的促销主要依靠_______。
【简答题】一般来说,由于消费品的顾客多,分布广,购买频率高,因此消费品的促销主要依靠 _______ 。
【简答题】How much does it cost to hire a multi-media guide?
【简答题】A．no matter how it costs B．however much it costs C．how much does it cost D．however does it cost much
【单选题】Can you tell me ? [ ]
A.
how much does it cost
B.
how much it is
C.
how much it costs
D.
both B and C
【简答题】How much does it cost to leave a package there?
【单选题】Can you tell me _____? [ ]
A.
how much does it cost
B.
how much it is
C.
how much it costs
D.
Both B and C
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