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【判断题】
在分光光度法中，测定所用的参比溶液总是采用不含被测物质及显色剂的空白溶液。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】听力原文：M: I suppose you must have heard about that great piece of concrete falling onto a car in that terrible accident in South Street yesterday, didn't you, Jane? W: Yes, I saw it in the paper. From a...
A.
There was a traffic accident.
B.
A car was smashed by a falling object.
C.
A car hit someone near the high building.
D.
A driver was lolled in his new car.
【多选题】下列有关Word2010的说法,正确的是()
A.
Word2010中,文档的页码只能从1开始
B.
使用剪切、粘贴命令后,剪贴板内剪切的内容将会消失
C.
双击Word2010的标题栏可以在非最大化和最大化之间切换
D.
可以将Word2010文档保存为纯文本类型和网页类型
【单选题】听力原文：M: I suppose you must have heard about that great piece of concrete falling onto a car in that terrible accident in South Street yesterday didn’t you, Jane? W: Yes, I saw it in the paper. From a ...
A.
There was a traffic accident.
B.
A car was smashed by a falling object.
C.
A car hit someone near the high building.
D.
A driver was killed in his new car.
【单选题】听力原文：M: I suppose you must have heard about that great piece of concrete falling onto a car in that terrible accident in South Street yesterday, didn't you, Jane? W: Yes, I saw it in the paper. From a...
A.
There was a traffic accident.
B.
A car was smashed by a falling object.
C.
A car hit someone near the high building.
D.
A driver was killed in his new car.
【单选题】听力原文：M: I suppose you must have heard about that great piece of concrete falling onto a car in that terrible accident on South Street yesterday (19), didn't you, Jane? W: Yes, I saw it in the paper. F...
A.
A man was killed by a car.
B.
A car was smashed by a falling object.
C.
Another car hit and smashed the man's car.
D.
A piece of wood blocked the street.
【单选题】听力原文：M: I suppose you must have heard about that great piece of concrete falling onto a car in that terrible accident in South Street yesterday, didn't you, Jane? W: Yes, I saw it in the paper. From a...
A.
There was a traffic accident.
B.
A car was smashed by a falling object.
C.
A car hit someone near the high building.
D.
A driver was killed in his new car.
【单选题】听力原文：M: I suppose you must have heard about that great piece of concrete falling onto a car in that terrible accident in South Street yesterday, didn't you, Jane? W: Yes, I saw it in the paper. From a...
A.
There was a traffic accident.
B.
A car was smashed by a falling object.
C.
A car hit someone near the high building.
D.
A driver was killed in his new car.
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