【单选题】下列化合物发生亲核加成时,反应活性最强的是:
【判断题】实验室的安全管理,应分为硬件管理和软件管理。
【单选题】2003年修改通过的《中华人民共和国商业银行法》规定,商业银行以安全性、流动性和( )为经营原则:
【判断题】实验室的安全管理,应分为硬件管理和软件管理。
【单选题】According to the text, what concerns the author most is the ______ with respect to cloning technique.
【判断题】实验室的安全管理,应分为硬件管理和软件管理。
【单选题】According to the woman, what may cause the most problems in the Albuquerque?
B.
The changes in climate.
D.
The extreme temperatures.
【单选题】According to the passage, what most probably happened in the paragraph following? 查看材料
A.
The United States Congress proclaimed the Second in May as Mother' s Day forever in the United States.
B.
Mother' s Day gradually became a conventional celebration.
C.
Anna retired from her job with a fortune of over a hundred thousand dollars.
D.
People stopped buying candy to their mothers.
【单选题】According to the woman, what causes most of the damage to the air?