在田径项目的比赛中属中长跑项目的是（）。 A.400米、800米、1500米 B.8

选用所给句子完成对话。

A: Thank you for your coming first. 1            ?

B: I'm fourteen.

A: You're so young, but you're very helpful. 2            .

B: On the eleventh of May.

A: 3             ?

B: When the man was crossing the street, a car hit him and I was just there.

A: 4             ?

B: Of course not.

A: 5             ?

B: I called the police and the police car arrived quickly. We sent the man to

    hospital at once. He was saved at last.

A: You're brave enough. We'll reward you.

A. Were you afraid?

B. What did you see?

C. How old are you?

D. When did you see the accident?

E. What did you do then?

一节一价制也被称作动盘交易制度。（）

They don't like the game _____ it's too boring. [ ]

A. and

B. because

C. but

D. so

在各种色彩模式中色彩空间最少的是（）。

A.RGB

B.CMYK

C.灰度

D.黑白

监理工程师审查施工组织设计时，应明确承包单位是否了解并掌握了本工程的特点及难点，这是为了把握施工组织设计的( )。

A．可操作性

B．重点性

C．针对性

D．先进性