题目内容
All the photographs in this book，________ stated otherwise，date from the 1950s.
(2012·陕西，25)
| A．unless | B．until |
| C．once | D．if |
A
解析
名校课堂系列答案Schools in the cities are well equipped those in the countryside are poor．
| A．if | B．while | C．so | D．as |
—What should we pay more attention to if we go camping in the mountains?
—Nothing special. Take a special pair of glasses _______ the wind there is strong and cold.
| A．even if | B．in case | C．providing that | D．so long as |
We had to be patient because it ______ some time ______ we got the full results.
| A．was; since | B．had been; since |
| C．was; before | D．would be; before |
It just isn’t fair. _____ I was working as a waiter last month, my friends were lying on the beach.
| A．Whenever |
| B．Though |
| C．For |
| D．While |
It will be about 100 days __________the College Enhance Examination comes.
| A．when | B．as | C．before | D．since |
________ you may have，you should gather your courage to face the challenge.
| A．However a serious problem |
| B．What a serious problem |
| C．However serious a problem |
| D．What serious a problem |
I had no idea of the exact address of Xinhua High School ________I was outside its front gate.
| A．when | B．after |
| C．until | D．because |
Jerry has promised to keep the secret, so he won't tell anyone ________ asked to.
| A．until | B．now that |
| C．unless | D．even though |