根据句意填单词。

     Look at the p__1__. It's a picture o__2__ a classroom. W__3__ can you see i__4__ the classroom?

I can see a b__5__ desk in the front of the classroom. Some books are o__6__ the desk. What other

things can you see on the teacher's desk? I can see two white b__7__. There is some chalk i__8__ them.

Where a__9__ the brooms? They are b__10__ the door.

贫血消瘦，大便潜血试验强阳性，上腹部触及包块。首先要做的检查是（）

A.胃镜检查

B.胃液脱落细胞学检查

C.X线立位腹平片

D.腹腔穿刺涂片检查

E.腹部B超