皮皮学,免费搜题
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搜题
【单选题】
预防风湿热复发最常用的药物是
A.
红霉素
B.
长效青霉素
C.
泼尼松
D.
地塞米松
E.
阿司匹林
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皮皮学刷刷变学霸
举一反三
【单选题】曲柄连杆机构的功用是把燃烧气体作用在( )上的力转变为曲轴的转矩,并通过曲
A.
活塞顶
B.
活塞销
C.
活塞环
D.
连杆
【单选题】曲柄连杆机构的功用是把燃烧气体作用在活塞顶上的力转变为( )的转矩,并通过
A.
曲轴
B.
活塞
C.
连杆
D.
飞轮
【判断题】曲柄连杆机构的功用是把燃烧气体作用在活塞顶上的力转变为曲轴的转矩。
A.
正确
B.
错误
【单选题】In most hospitals in China, nurses_____ in white and ____a nurse cap. A. wear; have B. have on; wear C. put on ; with D. are dressed ; wear
A.
wear; have
B.
have on; wear
C.
put on ; with
D.
are dressed ; wear
【单选题】He doesn't know _____. [     ]
A.
how to wear
B.
what to wear
C.
where to wear
【简答题】A.wear down B.wear away C.wear out D.wear on
【单选题】Simon doesn't know ______ today. [     ]
A.
what to wear it
B.
what to wear
C.
how to wear
D.
how wears it
【单选题】My brother _____ glasses. [     ]
A.
isn't wear
B.
don't wear
C.
doesn't wear
D.
doesn't wears
【单选题】曲柄连杆机构的功用是把燃烧气体作用在()上的力转变为曲轴的转矩,并通过曲轴对外输出机械能
A.
活塞顶
B.
活塞销
C.
活塞环
D.
连杆
【判断题】当前,计算机的发展趋势是向巨型化、微型化、网络化和智能化方向发展。( )
A.
正确
B.
错误
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