【强化训练】从方框中选择合适的词填空,并判断句子类型(每词限用一次)
because; whether; that; unless; as soon as; while
1. We all hope the environment will become better with everyone's effort.
2. I don't know my classmates will join the river clean-up this weekend.
3. We should stop using single-use plastics they are harmful to animals and plants.
4. The volunteers will start picking up rubbish they arrive at the beach.
5. recycling is a great way to reduce waste, it can't solve all pollution problems alone.
6. You won't make a big difference you take small steps every day.
回归教材
阅读填空(教材P36课文改编)
Every morning, 53-year-old Chen Ming walks 15 kilometres along the Yangtze River. As he does so, he often stops 1. (talk) to people picnicking beside the water or watch birds catch fish in the clear river. While many think he is just out for exercise, he is 2. (actual) working. Mr Chen is a "Guardian of the River". His job is 3. (make) sure no one fishes or pollutes it.
Mr Chen grew up on the riverbank and used to be a fisherman. Back then, parts of the river were 4. (smell) and yellow because of waste from factories and homes. 5. (fisherman) caught too many fish, 6. the number of fish and plants dropped quickly.
The government took action before it was too late. New waste centres 7. (build) to clean wastewater before it went into the river. Laws were made to stop new factories from 8. (build) near the river. Finally, fishing was banned in the Yangtze River for 10 years 9. 2020. Mr Chen and other fishermen got new jobs as guardians.
At first, he wasn't used to working on the riverbank. Now he is proud of his job because the river has returned to 10. it used to be. He and his wife work together to protect the mother river for future generations.

【强化训练】
1. that—宾语从句
2. whether—宾语从句
3. because—原因状语从句
4. as soon as—时间状语从句
5. While—让步状语从句
6. unless—条件状语从句
回归教材
1. to talk 2. actually 3. to make 4. smelly
5. Fishermen 6. so 7. were built 8. being built
9. from 10. what

【分析】
本题分为两部分，强化训练需根据句子类型（宾语从句、各类状语从句）及句意选择合适的引导词；回归教材需结合固定搭配、词性转换、时态语态等规则，填入所给词的正确形式或合适词汇。解题时先判断句子结构，再匹配对应语法规则，结合句意确定答案。
【解析】
强化训练：
1. 空格后是完整的宾语从句，不缺成分，用that引导宾语从句；
2. 空格后是表“是否”含义的宾语从句，用whether；
3. 前后句为因果关系，后句表原因，用because引导原因状语从句；
4. 空格后是表“一…就…”的时间状语从句，用as soon as；
5. 前后句为让步关系，表“虽然”，用While引导让步状语从句；
6. 空格后是表“除非”的条件状语从句，用unless；
回归教材：
1. 固定搭配stop to do sth（停下来去做另一件事），填to talk；
2. 修饰动词working需用副词，actual变副词为actually；
3. 不定式作表语，填to make；
4. be动词后需用形容词，smell变形容词为smelly；
5. 谓语为过去式caught，主语用复数，填Fishermen；
6. 前后句为因果关系（前因后果），填so；
7. 主语waste centres与build为被动关系，时态为一般过去时，填were built；
8. 固定搭配stop from doing的被动形式，填being built；
9. 固定搭配from…to…，填from；
10. 宾语从句缺表语，指代“…的样子”，填what；
【答案】
【强化训练】
1. that—宾语从句
2. whether—宾语从句
3. because—原因状语从句
4. as soon as—时间状语从句
5. While—让步状语从句
6. unless—条件状语从句
回归教材
1. to talk 2. actually 3. to make 4. smelly
5. Fishermen 6. so 7. were built 8. being built
9. from 10. what
【知识点】
宾语从句、状语从句、非谓语动词
【点评】
本题涵盖初中英语核心基础语法，题型典型，考察从句引导词辨析、词形转换、固定搭配、被动语态等知识点，能有效检验学生对基础语法的掌握程度，难度适中。
【难度系数】
0.5