皮皮学，免费搜题
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【单选题】
我国对手工业进行社会主义改造的第一( )。A.
办供销合作社
B.
手工业供销小组
C.
把手工业并入互助组
D.
建立手工业生产合作社
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】–The lights in the classroom are still on. --Sorry. I’ll go and ____.
A.
turn them off
B.
turn them on
C.
turn them down
D.
turn them up
【简答题】自发辐射与受激辐射最重要的区别是 ______ 。
【单选题】'Switch them off first' means
A.
turn them down first
B.
turn them off first
C.
turn them over first
【单选题】The lights are still on. Let's . [ ]
A.
turn off it
B.
turn it off
C.
turn off them
D.
turn them off
【单选题】Many of them turn a deaf ear to his advice, _____ they knew it to be valuable.
A.
as if
B.
now that
C.
even though
D.
so that
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