正确答案: B
不挥发性
题目:利用蒸馏法制备注射用水除热原是利用热原的哪种性质( )。
解析:B
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举一反三的答案和解析:
[单选题]Jenny nearly missed the flight doing too much shopping.
as a result of
[单选题]We can infer from the passage that ( )
abstract thinking does not come from physical experiences
[单选题]花各部有定数原始,花各部多数进化;假果原始,真果进化;一年生原始,多年生进化。( )
错误
解析:解析:改为“花各部有定数进化,花各部多数原始;假果进化,真果原始;一年生进化,多年生原始。”
[单选题]---Good morning. I've got an appointment with Miss Smith in the PersonnelDepartment.
must