句型转换：按题后的要求作答，每空一词。

1. This is a bus.(改为复数的句子)

     _____ are _____ .

2. Are the pens yours? (作否定回答)

    No, _____.

3. He has a big nose. (改为一般疑问句)

    _____ he _____ a big nose?

4. My mother is nice with long hair.(对画线部分提问)

    _____ ______your mother look like?

5. Ann's shoes are red and white. (对画线部分提问)

    ____ _____are Ann's shoes?

6. Her hair is long and red. (同义句替换)

    ______ ______long red hair.

超声波检查显示胆囊内有一个或数个强光团、光斑，最可能的是（）

A.急性单纯型胆囊炎

B.慢性胆囊炎

C.化脓性胆囊炎

D.胆囊结石

E.胆囊息肉