1．(2012·四川，4)At school, some students are active________ some are shy, yet they can be good friends with one another.
A. while B. although
C. so D. as
答案：A 句意：在学校里，有些学生很积极，然而有些很害羞。但他们彼此都可能成为好朋友。while“然而”，并列连词，符合句意。
2．(2012·四川，14)This training program can give you a lift at work, ________ increase your income by 40%.
A. as well as B. so long as
C. so much as D. as soon as
答案：A as well as“也，和，除了”；so long as“只要”；so much as“甚至于”；as soon as“一……就……”。句意：这次培训项目除了提高你工资的40%外，还可以使你在工作上得以晋升。故选A项。
3．(2012·全国Ⅱ，11)I had hardly got to the office ________ my wife phoned me to go back home at once.
