并列句常以连词为切入口进行考查，同时并列句中的时态呼应也是考查方式之一。状语从句的考查重点在时间、条件、让步、原因状语从句。
命题趋势：1.高考命题的重点仍然是连词and, but, or；
2．状语从句的考查集中在时间状语从句、让步状语从句、条件状语从句的引导词上。
考点一 并列连词
①I was glad to meet Jenny again，but I didn't want to spend all day with her.
很高兴又见到珍妮了，但是我不想花一整天时间和她在一起。
②Don't turn off the computer before closing all programs，or you could have problems.
在关掉所有的程序之前不要关电脑，要不然你会遇到问题的。
③At school，some students are active while some are shy，yet they can be good friends with one another.
在学校，有的学生很活跃而有的很腼腆，但他们能成为好朋友。
④He found it increasingly difficult to read for his eyesight was beginning to fail.
由于他的视力开始下降，他发现读书越来越困难了。
