Ⅰ. 阅读下列句子，理解并识记黑体部分单词，在括号内写出其汉语 意思 1. This chemical acts as an acid in our experiment. ( ) 2. We should protect the environment from pollution. ( ) 3. The ice will melt when the sun shines on it. ( ) 4. The new law will reduce pollution of the rivers. ( ) 5. Recycling of rubbish costs money and requires special equipment. ( ) 6. Naturally we were concerned for him when we heard of the accident. ( )

化学药品

环境

融化

污染

回收利用

担心的