From “Dreams of head-cutting!”(Paragraph 3), we learn that the writer.
A. was mad at the sales agent.
B. was reminded of the cruel pharaoh
C. wished that the sales agent would have had dreams.
D. dreamed of cutting the sales agent’s head that night.

What is the writer’s attitude toward Wilkins, Watson and Crick?A. DisapprovingB. Respectful.C. AdmiringD. Doubtful

A.
C.

点击查看答案

空调系统中的定风量系统是通过改变送风状态而风量不变来适应室内负荷的变化．其特点包括（）

A．室内气流分布稳定
B．系统简单
C．制造复杂
D．系统能耗大

点击查看答案&解析