1 . 课文单句填空：阅读下面句子，在空格处填入1个适当的词或括号内单词的正确形式填空。
1. However, the Norman conquest did not affect English as much as the Anglos and the Saxons' victory about 600 years earlier, which led to old English ________ (replace) Celtic.
2. In those days, books for blind people used paper ________ (press) against metal wire to form letters.
3. The Chinese language di tiers from western language ________ that, instead of an alphabet, it uses characters which stand for ideas, objects or deeds.
4. Many people were buried alive and so ________ the city.
5. In 1860 the ruins of Pompeii was put under the government protection for its ________ (preserve).
6. The volcano is still there, but looks very quiet now. It’s hard to imagine ________ this peaceful volcano destroyed the whole city.
7. This statement tries to fool you into believing in the ________ (assume) that the toothpaste cures bad breath.
8. Then he turned his eyes east and marched all the way to India, finding victory ________ he went.
9. By the age of 30, he ________ (occupy) more land than anyone before and it seemed that more glory was waiting ahead of him.
10. Finally Socrates was put to death by ________ (force) to drink poison.

2 . Some hard-working students always keep a torch in their dormitories _____ there is a power failure．

A．if	B．unless
C．so that	D．in case

3 . Our society insists on regular habits, timekeeping and punctuality, and whether we like it or not, ________ we mean to make our way in society, we have to comply (to act in accordance with a demand, rule, etc.) its demands.

A．whether	B．after
C．if	D．until

4 . Jack wasn’t saying anything, but the teacher smiled at him ________he had done something very clever.

A．as if	B．in case
C．while	D．though

5 . ______ you eat the correct foods ______ be able to keep fit and stay healthy.

A．Only if; will you	B．Only if; you will
C．Unless; will you	D．Unless; you will