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问题 多项选择题

鼻咽癌的病因及流行病学调查认为正确的是（）

A.EB病毒感染

B.有种族易感性及家族遗传性

C.与地域及环境因素有关

D.与饮食有关

E.男性高发

答案

参考答案：A, B, C, D, E

填空题

写出下面语句的含义。    

蒙汉情深何忍别，天涯碧草话斜阳。

                                                                                                                     

                                                                                                                      

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选择题

Liz is kind to others and she has always found it easy to ______ at school. [ ]

A. make friend

B. make friend with

C. make friends

D. make friends with

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