2. John, work hard _______ you will make much progress.
A. or B. nor C. but D. and
3. You'd better take the map with you ______ you won't get lost.
A. as long as B. as soon as C. now that D. so that
4. They will try their best in the Dragon Boat Racing ______ they may fail.
A. if B. although C. unless D. until
5. He is getting fat, _____ he has decided to go to work on foot.
A. so B. though C. and
6. -Do you like sports?
--Yes, I do some running in the park every day _____ the weather is terrible.
A. if B. after C. unless D.while
7. We can talk with friends on the Internet ______ it's easier and cheaper.
A. though B. as C. or D. but
8. _____ you have tried it on, you can't imagine how pretty the new style skirt is.
A. Because B. Although C. Unless D. When
9. Basketball has a history of nearly 300 years. Today it is still loved by ____the young_____ the old.
A. both…and … B. either…or…
C. not…but… D. neither…nor…
10. You will achieve nothing ______ you work hard.
A. if B. unless C. when D. that
【答案】
1.D. 句意:快点,否则你会误了飞机的。 or否则。由句意可知D为正确答案。
2.D. 句意:约翰,努力学习吧,你会取得很大进步的。and表示顺接,or(否则)表示选择。根据句意,本题用连词and。"祈使句+and+陈述句"为固定句式,其中的祈使句相当于if引导的条件状语从句,本句还可改为:John, if you work hard, you will make much progress. "祈使句+or+陈述句"相当于:if…not…,主句。如:Work hard, or you will fail. 相当于:If you don't work hard, you will fail.
3.D. 句意:你最好带着地图为的是你不会迷路。As long as只要;as soon as一……就……;now that因此,以便,为了,表目的。该句表目的,故选D。