题目内容
13．April，22nd is Earth Day．More than a billion people worldwide took part in green activities on that day．（绿色活动）．分析 4月22号是地球日．全世界超过十亿的人们在那一天参加了绿色活动．
解答 答案：green activities．根据汉语提示"绿色活动"，绿色为green活动为activity且是可数名词，其复数为activities，故填green activities．
点评 考查常见短语及可数名词复数．考生熟记短语及此用法是解题的关键．
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（Miss Yu is giving a class．Suddenly some bottles drop out of a student's desk．）
T：What's the noise there？．
S：Sorry，Miss Yu．（76）Some bottles dropped onto the floor．
T：（Walking over to take a look） Oh，so many bottles．
S：I'm collecting bottles．
T：（77）Why do you collect bottles？
S：Because I want to make toys out of them．
T：（78）That's an interesting idea． If so，why not put a big paper box at the back of our classroom？Then your classmate can help collect the bottles．
S：Thanks for your advice．
T：（79）Have you already made some toys？
S：Yes，quite a few．
T：（80）Can you show some to us one day？
S：Of course，I'll bring a few here tomorrow．
T：Perfect!
| That's an interesting idea．We can't wait to see the toys you've made． Some bottles dropped onto the floor．Can you show some to us one day？ Could you help us make some toys？Have you already made some toys？ Why do you collect bottles？ |
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