二、Luoluo整理了有关地球日(Earth Day)的资料。读短文，选择合适的选项补全短文，写字母编号。
A. When B. recycle things C. near D. taking care of E. hurt F. plant trees
Earth Day
Earth Day is about 1. our Earth. It takes place every year in almost 200 countries.
2. is Earth Day? It’s on 22nd April. Many people do lots of things to help the Earth.
People 3. on Earth Day.
On Earth Day, some people clean up parks or rivers 4. their homes.
Smoke from cars can 5. air, so we should walk or ride more.
On Earth Day, we should learn to 6. . Don’t throw old things into bins. We can take them to a second-hand market.

1.D 2.A 3.F 4.C 5.E 6.B

【分析】
本题为选词填空补全短文题，解题思路如下：1. 通读短文，明确主题是地球日的相关内容；2. 逐个分析每个空格的句子语境，判断所需词汇的词性或语义；3. 结合给出的6个选项（A. When B. recycle things C. near D. taking care of E. hurt F. plant trees），匹配符合语境和语法的选项，最后验证整体逻辑是否通顺。
【解析】
1. 空格前是介词about，介词后需接动名词（短语），选项中D项taking care of（照顾）符合“地球日是关于照顾我们的地球”的语义，故选D；
2. 空格后答语为时间“It’s on 22nd April.”，问句需用疑问词When，故选A；
3. 句子描述人们在地球日的活动，结合插图（种树），选项F项plant trees（种树）符合语境，故选F；
4. 句子意为“一些人清理家附近的公园或河流”，需表示“在……附近”的介词，选项C项near符合，故选C；
5. 句子意为“汽车尾气会伤害空气”，需表示“伤害”的动词，选项E项hurt符合，故选E；
6. 后文提到“不要扔旧东西，可带去二手市场”，对应“回收东西”，选项B项recycle things符合，故选B。
【答案】
1.D 2.A 3.F 4.C 5.E 6.B
【知识点】
介词用法、疑问词、动词短语、介词、动词
【点评】
本题结合图片与语境考查选词填空，既考查词汇的语义和用法，又贴近地球日的环保主题，易于学生理解，能帮助学生积累环保相关的英语表达。
【难度系数】
0.5

三、Fufu和Tiantian在讨论“地球一小时(Earth Hour)”。从所给句子中选出合适的完成对话。
A. People usually turn off lights and keep lights off for an hour at night.
B. When is Earth Hour?
C. Why should we walk more?
D. We should also reduce the use of plastic bags.
E. Dirty air can make people sick.
Fufu: What are you doing, Tiantian?
Tiantian: I’m making some posters.
Fufu: What are they about?
Tiantian: They are about Earth Hour.
Fufu: 1.
Tiantian: It’s on the last Saturday of March.
Fufu: What do people usually do on that day?
Tiantian: 2. The aim(目标) of Earth Hour is to show the importance of protecting(保护) the Earth.
Fufu: What else can we do to help the Earth?
Tiantian: We can go to school on foot. We should walk more. People should reduce the use of cars.
Fufu: 3.
Tiantian: Because black smoke from cars can make air dirty. 4.
Fufu: Yes. 5. Plastic bags are bad for the Earth.

1.B 2.A 3.C 4.E 5.D

【分析】首先通读对话，明确话题为“地球一小时”的环保相关内容。第1空后Tiantian回答的是地球一小时的时间，因此需选询问时间的句子；第2空前Fufu问当天人们的活动，需选描述对应活动的句子；第3空后Tiantian用Because作答，说明问句是询问原因的句子；第4空前提到汽车尾气使空气变脏，需承接说明脏空气的危害；第5空后提到塑料袋对地球有害，需选与减少塑料袋相关的句子。
【解析】1. 根据答语“It’s on the last Saturday of March.”可知，此处是询问地球一小时的时间，对应选项B；2. 根据问句“What do people usually do on that day?”可知，此处是回答当天人们的活动，对应选项A；3. 根据答语“Because black smoke from cars can make air dirty.”可知，此处是询问原因的问句，对应选项C；4. 前句提到汽车尾气使空气变脏，此处承接说明脏空气的危害，对应选项E；5. 根据后句“Plastic bags are bad for the Earth.”可知，此处与减少塑料袋相关，对应选项D。
【答案】1.B 2.A 3.C 4.E 5.D
【知识点】日常交际用语、补全对话
【点评】本题围绕环保话题考查补全对话，需结合上下文语境、问答逻辑选择合适句子，注重日常交际能力的运用，难度适中。
【难度系数】0.7