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【简答题】
A.camera B.display C.ceremony D.attendance
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【单选题】You can't come in, ______ you are.
A.
whichever
B.
whoever
C.
wherever
D.
whenever
【单选题】Come and see me whenever ____.
A.
you are convenient
B.
you will be convenient
C.
it is convenient to you
D.
it was convenient to you
【单选题】Come and see me whenever ____.
A.
you are convenient
B.
you will be convenient
C.
it is convenient to you
D.
it was he convenient to you
【简答题】it is normal for parrots to talk, Einstein, a small bird, is unusual in that whenever she hears a ne____it is normal for parrots to talk, Einstein, a small bird, is unusual in that whenever she hears ...
【单选题】制备好的试样应贮存于什么容器中,并贴上标签()
A.
广口瓶
B.
烧杯
C.
称量瓶
D.
干燥器
E.
容量瓶
【单选题】Come and see me whenever _____.
A.
you are convenient
B.
you will be convenient
C.
it is convenient to you
D.
You will be convenient to you
【单选题】制备好的试样应贮存于 中,并贴上标签。( )
A.
广口瓶
B.
烧杯
C.
称量瓶
D.
干燥器
【单选题】Come and see me whenever ______. [     ]
A.
you are convenient
B.
you will be convenient
C.
it is convenient for you
D.
it will be convenient to you
【单选题】制备好的试样应贮存于( )中,并贴上标签
A.
干燥器
B.
称量瓶
C.
、烧杯
D.
广口瓶
【简答题】单个 齿轮 画法中, 在垂直齿轮轴线方向的视图上不必剖开,将齿顶圆,齿根圆,分度圆分别用 绘制,表示齿根的 线也 。在平行与齿轮轴线方向上,一般画成 ,轮齿一律 处理,用 线表示齿顶线和齿根线,用 线表示分度线。
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