翻译题

1．孩子们小时候爱咬手指头。

The children                         biting their fingers when they were kids.

2．他们几个现在不再乘公共汽车上学了。  

A few of them don't go to school                        

3．威廉姆斯不如他哥哥英俊。  

Williams is                                 his brother.

4．吉姆回答问题与玛莉一样清楚。  

Jim answered the questions                        Mary did.

5．他过去又白又胖，但现在却又黑又瘦。  

He                         white and fat ,but now he is black and thin.

关于十二指肠壶腹周围癌的描述错误的是（）

A.好发于十二指肠壶腹部乳突处

B.肉眼肿瘤呈硬结状、溃疡型或分支细密的 * * 状

C.可有表浅溃疡形成

D.可来源于胆总管远端1／3的黏膜上皮

E.鳞状细胞癌是其常见的组织学类型