衬板磨损后，破碎机的排矿粒度会变粗。

_______ that he made an obvious mistake, Jeff went on with his speech.

A．Not realized

B．Not to realize

C．Not to have realized

D．Not realizing

补全对话。

A: Good afternoon, Miller!      l     

B：I'm drawing a horse.

A:A horse? Can you let me have a look?

B:     2      . Here you are.

A: Oh, the horse looks very nice. Do you often draw in your free time?

B:     3      .

A: Do you like drawing?

B: Yes.  I like drawing very much.

A:     4     ?

B: Because it's very interesting. And my art teacher is very kind to me.

A:     5      ?

B: I have an art lesson once a week.

烧伤休克期补液时，调节补液量及速度的指标不包括（）。

A.血pH值、CPCO₂，红细胞压积

B.中心静脉压

C.尿量

D.口渴

E.肢体浅静脉和甲下毛细血管充盈情况

关于防护工程的施工安全控制要点的说法，错误的是（）。

A.边坡的防护作业，必须搭设牢固的脚手架

B.砌石作业必须自下而上进行

C.抹面、勾缝作业必须先下后上

D.片石改小，不得在脚手架上进行

加油站应按主管部门统一要求，认真做好加油站（）经营分析报告，及时提交上级主管部门。