影响房地产价格的环境因素不包括（　　）。A．大气环境 B．声觉环境 C．卫生环境 D

— ____

— Oh, what a nice house!

— I’m glad you like it. Let me show you around it first.

A．Let’s drive to my house.

B．Here we are.

C．Would you like to see my house?

D．My house is behind the hill.

一帆船由于风向先向正西航行80千米，然后向正南航行150千米，这时它离出发点有（     ）千米。

All the task _____ ahead of time, they decided to go on holiday for a week. [ ]

A. had been finished

B. were finished

C. having been finished

D. been finished

以下哪种药物用于骨髓增生异常综合征的治疗：（）

A.维甲酸

B.糖皮质激素

C.CAG方案化疗

D.反应停

E.以上都可以

驱动方式