1 . It was because of the great c______(贡献) he made to the company that he was promoted to be the general manager of his department. (根据中英文提示单词拼写)

4 . 根据下列句子语境，从所给选项中选择合适的选项填空，所给选项中有两个多余。

A．recycled    B．keep a balance     C．contributions D．recyclable   E. to earn a living   F. earnings   G. donated

1. Don’t throw them away. They can be___________.
2. We need more ___________packaging on the products we buy.
3. Many countries took part in the project and ______ money to protect cultural sites along the Nile River.
4. During the gold rush, ________, some Chinese opened up shops and restaurants in Chinatown in San Francisco.
5. The young man planned to build a networked digital library to make some great ________ visible to the whole world.

5 . 词性转换
1. contribute v．贡献；捐助；投稿→________ n．贡献
2. relieve v．减轻，缓解→________n．减轻，缓解
3. short adj.短的；缺少的→________n．短缺，不足，缺乏
4. effect n．效果→________adj.有效的，产生预期效果的
5. earnings n．收入→________v．挣(钱)
6. donation n．捐献→________v．捐赠，捐献
7. persevere vi.坚持；孜孜以求→________________n．毅力；韧性；不屈不挠的精神
8. recyclable adj.可回收利用的→________________v.回收利用