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【单选题】
配制 NaOH 标准溶液时,正确的操作方法是A.
在托盘天平上迅速称取一定质量的 NaOH ，溶解后用容量瓶定容
B.
在托盘天平上迅速称取一定质量的 NaOH ，溶解后稀释至一定体积，再标定；
C.
在分析天平上准确称取一定质量的 NaOH ，溶解后用量瓶；
D.
在分析天平上准确称取一定质量的 NaOH ，溶解后用量筒定容
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【判断题】A typical stereotype of U.S. people is that they place great importance on the family.
A.
正确
B.
错误
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A.
and
B.
or
C.
but
D.
so
【单选题】Directions: There are 15 incomplete sentences in this section. For each sentence there are four choices marked A, B, C and D. Choose one answer that best completes the sentence and blacken the corresp...
A.
To judge by
B.
Judging by
C.
Judge by
D.
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【单选题】Choose an expression, which is most appropriate in the closing section in an application letter. A. I have ten years’experience in this sector. B. Please do not hesitate to contact me for... C. I am p...
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B.
C.
D.
D
【单选题】Which of the following does not fit the typical stereotype of the Asian culture?
A.
intelligent
B.
xenophobic
C.
group-oriented
D.
individualistic
【简答题】蒙版可以通过通道获取，还可以通过( )和图层蒙版获取。
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A.
正确
B.
错误
【简答题】In this section, you will hear one or two recordings. Each recording will be played TWICE. When the recording is played for the first time, you should listen carefully for its general idea. When the ...
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