1 . 假定你是李华，你校英语社团（English Club)计划下周末举行一次关于垃圾分类的讲座，请你代表社团写一封公开邀请信，内容包括：
1 .垃圾分类的好处；
2.讲座具体时间和地点；
3.邀请学生参加。
注意:
1. 词数 100 左右,开头和结尾已经给出，不计入总词数；
2.可以适当增加细节，以使行文连贯。
参考词汇:垃圾分类 garbage classification
Dear students,
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Yours,

English Club

2 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Every day people throw away a lot of household garbage – paper, cans, kitchen waste, used batteries and glass     1    sorting it. There are many problems     2    (cause) by unsorted garbage. On one hand, it’s     3    great waste of resources. On the other hand, the disposal of unsorted garbage can cause serious environmental pollution,     4    does harm to people’s health. Now our government has realized the importance of garbage sorting. So far many activities     5    (hold) to teach people how to sort garbage     6    (proper).

People in cities, like Beijing and Shanghai, are required to sort garbage into four categories— kitchen waste,     7    (danger) waste, recyclable waste and other waste. Also, they can get certain points for sorting their garbage. When they accumulate enough points, they can go to the community     8    (exchange) them for some gifts of daily use. However, still a lot of people in China lack the     9    (aware) of garbage sorting. Changing people’s mindsets and habits will take a long time. But once one person     10    (develop) the habit of garbage sorting, more may be influenced to do the same.