1 . 选词填空

drama   explode     vary     compare   greet     multiply     ecology     subsequent   apparent   secure

1. Our way of life has changed ________over the last ten years.
2. She was blinded in the e________.
3. We can only tell good from bad by ________.
4. “Good morning” and “Good evening” are conventional ________.
5. ________, they heard that he had obtained Canadian citizenship.
6. She was ________a very nervous woman, and that affected her career.
7. They pose a serious threat to ________.