题目内容
8. He has made an important (贡献) to the company’s success.
6. contribution
11. 镭的发现12. —位科学教授
2. Jason didn’t hear the ring,for he (water) the flowers in the back yard.
4. At present,over 100 countries in Asia,Africa andAmerica (grow) hybrid rice already.
3. The river flows into the Pacific (海洋) .
3. Marie Curie is a great (science) .
10. My father (teach) me English when he is free every day.
() 1. explosion (爆炸) accident in Tianjin in August,2015 killed over 100 firemen. They were brave,and will be memorized by the Chinese.
A. A B. An C. The D. /
2. Coughs and sneezes may (扩散) diseases.