Question

At school，some students are active ________ some are shy，yet they can be good friends with one another.                                                                                                                                            (2012·四川，4)

A．while  B．although

C．so  D．as

Answer

【解析】A

解析 考查并列连词。句意为：在学校，一些学生很活跃而一些却很害羞，然而他们都可能彼此成为好朋友。根据句意选while，表示两个分句中两种情况的对比。