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【简答题】
21氰化物测定进行预蒸馏时,加入EDTA的目的是____ 。A .保持溶液酸度; B. 保持溶液离子强度; C. 络合掩蔽金属离子; D. 离合的氰化物
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举一反三
【单选题】____me most was that the young boy who had lost both arms in an accident could handle a pen with his feet.A. That amazed B. It amazed C. Which amazed D. What amazed
A.
That amazed
B.
It amazed
C.
Which amazed
D.
What amazed
【单选题】Visitors were at the pictures that the guide showed.
A.
amazed; amazing
B.
amazed, amazed
C.
amazing, amazing
D.
amazing, amazed
【单选题】The little girl felt ________ on hearing the _________ news.
A.
amazed; amazing
B.
amazing; amazed
C.
was amazed; amazing
D.
was amazing; amazed
【单选题】The audience were ________ by his ________ performance on the stage.
A.
amazed; amazed
B.
amazed; amazing
C.
amazing; amazed
D.
amazing; amazing
【单选题】下面哪一种描述不是网络适配器的功能( )?
A.
进行数据串行传输和并行传输的转换
B.
将IP数据报组装成帧发送到局域网
C.
由硬件地址解析IP地址
D.
对数据进行缓存
【单选题】Rip was amazed at the men playing nine pins because
A.
they had the gravest faces
B.
They had strange clothes
C.
They drank so much
D.
all of the above
【单选题】I was _____ by the _____ news. [ ]
A.
amazing; amazed
B.
amazing; amazing
C.
amazed; amazed
D.
amazed; amazing
【单选题】Both the teammates of the former and present football clubs of Beckham were amazed when they discovered his behavior.
A.
正确
B.
错误
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