阅读短文，判断下列句子是否符合短文内容，正确的写“T”，错误的写“F”。

      Hi! I'm David. I'm from Canada. Today is Tuesday. We have math, Chinese and computer. I like

computer class. Because my computer teacher is very kind and active. He looks tall and strong. We all like him.

On Wednesday, we have eggplant and fish for lunch. I don't like eggplant. Potatoes are my favourite food. My

favourite day is Saturday. I often play football on Saturdays. I do my homework, too. Can you tell me about

your school life?

( ) 1. David is from Canada.

( ) 2. It's Wednesday today.

( ) 3. His computer teacher looks tall and strong.

( ) 4. They have eggplant and potatoes for lunch on Wednesday.

( ) 5. David likes Saturday because he can play football.

急性坏疽性阑尾炎阑尾穿孔行手术治疗，腹腔污染严重原则上术中应（）

A.探查卵巢

B.探查末端回肠

C.探查盲肠

D.冲洗腹腔

E.放置引流管