皮皮学，免费搜题
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【单选题】
关于划线基准,可以以一个平面和 ( ) 为基准。A.
一个点
B.
一条直线
C.
一条中心线
D.
一条曲线
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】He asked ______ for the piano.
A.
did I pay how much
B.
how much did I pay
C.
I paid how much
D.
how much I paid
【单选题】----What did he say? ----He asked ______ for the book.
A.
how much did I pay
B.
I paid how much
C.
did I pay how much
D.
how much I paid
【简答题】排放阀的作用是什么?
【简答题】应急派排放阀的作用是什么？
【单选题】— _____ your holiday? —It was pretty good. [ ]
A.
How did
B.
Where did
C.
How was
D.
Why did
【单选题】He asked _____ for the computer. [ ]
A.
did I pay how much
B.
I paid how much
C.
how much did I pay
D.
how much I paid
【简答题】听力原文：How did John usually go to school? How did John usually go to school? He was sent to school by ______
【单选题】He asked _____________ for the violin.
A.
did I pay how much
B.
I paid how much
C.
how much did I pay
D.
how much I paid
【简答题】事故应急排放阀的作用是什么？
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