根据括号内的汉语，结合句子的意思，在横线上写出形式正确的英语单词，每个空格只准填

一个单词。

1. She always making good -__________ (决心) but she never carries them out.

2. The __________ (原料) of the bread and cake come from Poland. They are tasty.

3. They have been __________ (争吵) what to do for hours and have not reached any conclusions.

4. On April the 14th, 2010, a big earthquake hit Yushu County, Qinghai Province and thousands of

     __________(志愿者) went to help people there at once.

5. The boy is being __________ (面试 ). He wants to work for the Greenpeace.

6. Children should not drink too much                   (饮料). At most times water is better.

7. If you want your words to be more __________ (有说服力), they must be based on facts.

8. Hainan Island is a very _________ (适合游览) place. Millions of people from home and abroad go

    there to play every year.

9. How many learning _________ (策略) did the scientist mention at the lecture?

10. President Hu Jintao and Premier Wen Jiabao went to see the people in Yushu County shortly after

      the big earthquake. It is a great ________ (鼓舞) to the area and the whole country at large.

（12分）某化学兴趣小组为了探索铝电极在原电池中的作用，设计并进行了以下一系列实验，实验结果记录如下：

（1）实验1、2中Al所作的电极是否相同？____________。

（2）写出实验3中的电极反应式。

铝为（ ）______________；石墨为（ ）_____________；

（3）实验4中的铝作正极还是负极？写出电池总反应方程式。

（4）解释实验5中电流指针偏向铝的原因。

（5）根据实验结果总结：在原电池中金属铝作正极还是作负极受哪些因素的影响？