3 . 显然，与从事体力劳动的人相比，现在的教师承受着更大的精神压力。(汉译英)

4 . 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 ________.

5 . 词性转换
1. drama n.戏剧,戏剧艺术→________ adj.戏剧的;引人注目的;给人印象深刻的→________ adv.显著地;戏剧性地
2. subsequent adj.随后的;后来的→________ n.随后发生的事,后果→________ adv.后来,随后
3. multiply v.(使)大大增加,(使)倍增→________ n.乘法;增加
4. explode v.突然增加→________ n.爆炸;猛增
5. ecology n.生态→________adj.生态的;生态学的
6. compare v.比较;对比;比作→________ n.比较
7. apparent adj.显而易见的;明白的;清楚的→________adv.据说;看来,似乎
8. vary v.(形状等)不同;改变→various adj.各种各样的→________多样性;种类→variation n.差异;变化
9. secure adj.稳固的,安全的→________n.安全
10. greet v.打招呼→________ n.问候,招呼