Ⅰ.单词拼写
1.If untreated, the illness can become ________ (严重的). 
2.John brought the absolute ________ (证据) that we needed. 
3.Many ________ (家用的) products are potentially harmful. 
4.We can ________ (处理) up to 500 calls an hour at our new offices. 
5.It is said that drinking much ________ (纯净的) water is good for health. 
6.I have two ________ (相互矛盾的) responses to that question. 
7.In the rainforest, we have ________ (多种多样的) plants and wild animals. 
8.There was no water in the building, just a ________ (水泵) in the courtyard.