用所给词的适当形式填空。

1. What's               (she) name?

2. A cat has four               (foot)

3. Your sister               (have) a nice shirt.

4. Tom and Jim               (be) in different classes.

5. Li Lei is a               (Chinese) boy

6. He has two small _______ (knife )

7. This orange is not _______ (orange). It is blue.

8. Is this your shirt? No, _______ (my) is white.

9. Do you come from _______ (Chinese)?

10. There are two _______ (box).

以下哪项不是风湿性心包炎的X线表现（）

A.心影向两侧扩大，呈烧瓶状

B.心脏搏动减弱或消失

C.卧位时心腰增宽

D.立位时心腰部阴影又变窄

E.心影呈靴形心