患者女，55岁。进行性黄疸4个月，伴中上腹持续性胀感，夜间平卧时加重，消瘦显著。查体：慢性消耗性面容。皮肤、巩膜黄染。腹平坦，脐右上方深压痛，未及肿块。Courvoisier征阳性。

怀疑胰腺癌，首选的检查方法是（）

A.MRI

B.B超检查

C.CT

D.X线气钡双重造影

E.胃镜

句型转换。

1. There is no milk in the glass. (对划线部分提问)

     _______ _______ milk is there in the glass?

2. Let's go to school, _______ _______? (改反意疑问句)

3. Lisa went to bed after she finished her homework. (同义句)

     Lisa _______ _______ to bed _______ she finished her homework.

4. It is such a beautiful park that everyone likes it. (同义句)

    The park is_______beautiful that everyone likes it.

5. There is no food in the fridge. (同义句)

    There _______ _______ food in the fridge.

6. I bought a lot of vegetables.

     _______ _______ you _______?