资本资产定价理论模型假定包括()。A.投资者总是追求投资效用最大化 B.市场上存在无

----Hi, Jenny! I hear you and John are going to London for the holiday.

----Really? _________

A．What’s it about?

B．What’s happening?

C．That’s news to me

D．It’s a pity.

----Will ______be _______to pick me up at 8:00am. at the airport on Sunday?

-----No problem. You can call me at any time.

A．you; convenient

B．it; convenient for you

C．it; convenient of you

D．it; convenient with you

橘红除发表散寒外，又能

A．温肾纳气
B．调经止痛
C．散结消滞
D．杀虫疗癣
E．燥湿化痰

“低碳生活”是当今社会所倡导的绿色生活方式．利用太阳能将2000kg的水从15℃加热到50℃，共需要吸收多少焦耳的热量？[C_水=4.2×10³J/（kg•℃）]．

下列有物理屈服点的钢筋是（）。

A.热轧钢筋

B.冷拉热轧钢筋

C.钢丝

D.热处理钢筋

E.肋纹钢筋