用恰当的词语填空,完成对话, 每空一词。

A:Excuse me,may I smoke here?

B:Look at the sign, please. It says"No Smoking".

A:Would you 1._________________ my smoking in the office next door?

B:I'm afraid not. A11 the offices are non-smoking areas.

A:Oh, dear ! 2. ________________can I smoke,then?

B:There is a smoking room3. _______________ the first floor. You may smoke there.

A:Sorry,I'm 4_______________here. Could you please show me the way?

B:Sure. Follow me,please. I'm afraid smoking is bad for your health. You'd better

5. _________________it up.

A:Thanks for your advice. I'll think about it.

再生障碍危象病人红系造血停滞时，骨髓象中突出特点是（）

A.巨大早幼粒细胞

B.巨大早幼红细胞

C.巨大原始红细胞

D.颗粒巨核细胞

E.异形淋巴细胞