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【多选题】
水泥混凝土搅拌站施工时正确的做法包括()。
A.
搅拌站搭设在电力架空线路下方时净空必须满足要求
B.
搅拌机等机械旁应设臵机械操作程序牌
C.
混凝土拌和过程中,严禁非作业人员进入储料卸料斗下方
D.
袋装水泥应按层码垛整齐,高度不得超过10袋
E.
搅拌站设臵的各种电气设备必须由电焊工引接、拆除
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【单选题】Speaking of all the songs he has written, I think this is probably his _______ one.A.better-know
A.
34. Speaking of all the songs he has written, I think this is probably his _______ one. A.better-known
B.
well-known
C.
best-known
D.
most-known
【单选题】为害番石榴果实的橘小实蝇,其幼虫口器是 ( )
A.
咀嚼式
B.
刺吸式
C.
捕吸式
D.
刮吸式
【单选题】墨尔本位于澳大利亚哪个区域( )
A.
东南部
B.
东北部
C.
西南部
D.
西北部
【简答题】中国女排夺冠,媒体竟公然造谣并污辱郎平 https://mp.weixin.qq.com/s/Xum3SLuygVqUyRwRf_aCMQ
【单选题】为害番石榴果实的橘小实蝇,其幼虫口器是 ( )
A.
咀嚼式
B.
刮吸式
C.
刺吸式
D.
捕吸式
【单选题】Speaking of all the songs he has written,  I think this is   probably his ____ one. [     ]
A.
better-known
B.
well-known
C.
best-known
D.
most-known
【单选题】Speaking of all the projects they have completed in recent years, we think this is probably the _____ one. [     ]
A.
well-known
B.
better-known
C.
best-known
D.
most-known
【简答题】Speaking of all the songs he has written, I think this is probably his____one. better-known  B. well-known  C. best-known  D. most-known
【单选题】下列物质中,分子之间不存在氢键的是( )
A.
H 2 0
B.
NH 3
C.
HF
D.
HCl
E.
C 2 H 5 0H
【单选题】为害番石榴果实的橘小实蝇,其幼虫口器是 ( )
A.
咀嚼式
B.
刺吸式
C.
锉吸式
D.
刮吸式
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