单选题

Centerfield High School Recycling Initiative

I called this meeting to discuss ______ aspects of the new recycling initiative. So far we have noticed a dramatic decrease in the amount of plastics and paper waste going to the dump since the installation of the color coordinated wastebaskets placed ______the school.
The monetary incentives given to the dorm that returns the most re-usable containers have also been a ______. We are on track to cut garbage output by over 45%.
Our future plans include setting up a recycling program with local agricultural businesses, who we will supply with organic waste from our cafeteria for use as feed and fertilizer on their farms.

【正确答案】 C

【答案解析】[解析] 单词形态：形容词
1．这是一道词汇形态选择题，选项为vary的不同形式。
2．空格内应填入一个形容词修饰后面的名词，因此C为正确选项。

【正确答案】 B

【答案解析】[解析] 词汇：介词
1．这是一道词汇选择题，选项均为介词。
2．原文意思是“校园内全都安放垃圾桶”，throughout意为“到处、四处”，因此B项为正确选项。

【正确答案】 C

【答案解析】[解析] 词汇：名词
1．这是一道词汇选择题，选项均为名词。
2．由于选项中出现完全相反的词汇failure(失败)和success(成功)，因此要全面掌握文章的前后内容。前面提到废物利用计划进行得很好，空格前又出现了also一词，因此C．success为正确选项。