皮皮学,免费搜题
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搜题
【单选题】
My parents showed__________ some old pictures that brought back sweet memories.
A.
I
B.
me
C.
was
D.
are
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举一反三
【单选题】在醇提取浓缩液中加入水,可沉淀
A.
树胶
B.
蛋白质
C.
树脂
D.
鞣质
E.
粘液质
【单选题】The month before (在……之前) August is _____________. [     ]
A.
June
B.
July
C.
September
【单选题】在醇提取浓缩液中加入水,可沉淀
A.
树胶
B.
蛋白质
C.
树脂
D.
鞣质
E.
黏液质
【单选题】在醇提取浓缩液中加人水,可沉淀
A.
树脂
B.
蛋白质
C.
树胶
D.
粘液质
E.
鞣质
【简答题】A.Before the end of the month. B.At the beginning of the year. C.Next month. D.Any time.
【单选题】It was suggested that the work ______ before the end of this month.
A.
will be finished
B.
will have been finished
C.
be finished
D.
would be finished
【判断题】88键钢琴的音域是52度。
A.
正确
B.
错误
【单选题】在醇提取液中加入水,可沉淀( )。
A.
树胶
B.
蛋白质
C.
树脂
D.
鞣质
E.
黏液质
【单选题】在醇提取液中加水,可沉淀
A.
树脂
B.
蛋白质
C.
粘液质
D.
树胶
E.
鞣质
【单选题】在醇提取浓缩液中加入水,可沉淀
A.
树脂
B.
蛋白质
C.
树胶
D.
黏液质
E.
鞣质