1 祈使句(表条件)+ and +主句(表结果) (1)、祈使句(表条件)+ or else/or/otherw ise + 主句(表结果)…… “否则……,要不然……” (2)、祈使句(表条件)+ and +主句(表结果) [例句] Hurry up, or you’ll be late for class. Please call me up before you come, otherwise/or else/or we might be out. 你来之前打个电话,否则,我们也许会出去。 Think it over and you will find the answer. Give him an inch and he will take a mile. 得寸进尺。 Work hard and you will make progress every day. 好好学习,天天向上。 [高考题回放] 1. Stand over there______ you’ll be able to see it better.(2004 天津) A. or B. while C. but D. and 2. _____ straight on and you’ll see a church. You won’t miss it.(2004 湖北) A. Go B. Going C. If you go D. When going 3. There are eight tips in Dr. Roger’s lecture on sleep, and one of them is: _____to bed early unless you think it is necessary. (2004 重庆) A. doesn’t go B. not to go C. to going D. don’t go 4. –English has a large vocabulary, hasn’t it? –Yes. _____ more words and expressions and you will it easier to read and communicate.(2004 上海) A. Know B. Knowing C. To know D. Known 5. Turn on the television or open a magazine and you _____ advertisements showing happy families.(2004 湖南) A. will often see B. often see C. are often seeing D. have often seen 6. _____ blood if you can and many lives will be saved.(2001 上海) A. Giving B. Give C. Given D. To give 7. _____ at the door before entering please.(2001 春季) A. Knocked B. To knock C. Knocking D. Knock 8. _____ some of this juice— perhaps you will like it.(2000 春季) A. Trying B. Try C. To try D. Have tried 9. –What should I do with this passage? –_____the main idea of each paragr...