跟踪练习
① She 志愿 at the sports meeting last term.
②The 志愿者 at the hospital are very kind and helpful.
③他自愿担任那次研学旅行的导游。
He as the guide during that educational tour.
④我班同学自愿承担打扫校园的任务。
My classmates the task of cleaning up the schoolyard.

①volunteered ②volunteers ③volunteered
to work/act ④volunteered for

【分析】
这道题考查volunteer的不同词性（动词、名词）及相关用法。解题时需结合句子时态、词性要求和固定搭配来确定答案：①句有过去时间状语，需用动词过去式；②句需名词复数（对应be动词are）；③和④是volunteer的固定搭配用法，结合时态确定形式。
【解析】
①句时间状语为last term，用一般过去时，volunteer作动词，过去式为volunteered；②句定冠词后接名词，be动词是are，需用volunteer的复数形式volunteers；③句固定搭配volunteer to do sth（自愿做某事），过去式为volunteered to work/act；④句固定搭配volunteer for sth（自愿承担某事），过去式为volunteered for。
【答案】
①volunteered ②volunteers ③volunteered to work/act ④volunteered for
【知识点】
动词时态、名词单复数、固定搭配
【点评】
本题围绕volunteer的核心用法展开，涉及动词过去式、名词复数及常用搭配，属于基础词汇考查，需准确记忆相关规则即可解题。
【难度系数】
0.5

一、根据句意,用括号中所给词的适当形式填空
1. This volunteer organization is hosting a fair to raise money for the homeless.
2. Parks are usual in the centre part of a city where people can relax.
3. I showed you a wrong direction just now. I'm terrible sorry.
4. review is an important part of study. It helps you learn and remember what you know.
5. Amy was lucky that she dropped her sunglasses into the water.
能力提升

一、1. volunteer 2. usually 3. terribly
4. Reviewing 5. unlucky

【分析】
本题为英语词汇适当形式填空题，需结合句子结构、词性要求及句意判断所给词的正确形式：1. 修饰名词organization作定语，用名词原形；2. 修饰形容词usual需用副词；3. 修饰形容词sorry需用副词；4. 作主语需用动名词形式；5. 根据句意需用lucky的否定形式。
【解析】
1. 此处需修饰名词organization作定语，volunteer作名词定语时用原形，故填volunteer。
2. 此处修饰形容词usual，需用副词，usual对应的副词为usually，故填usually。
3. 此处修饰形容词sorry，需用副词，terrible对应的副词为terribly，故填terribly。
4. 动词原形不能作主语，需将动词review变为动名词形式作主语，句首单词首字母大写，故填Reviewing。
5. 句意表明Amy是“不幸的”，需用lucky的否定形式unlucky，故填unlucky。
【答案】
1. volunteer 2. usually 3. terribly 4. Reviewing 5. unlucky
【知识点】
英语词性转换、副词用法、动名词作主语
【点评】
本题考查英语词汇的形式转换，涵盖名词作定语、副词修饰形容词、动名词作主语、形容词否定等基础知识点，需学生结合句子成分和句意灵活运用词性规则，属于基础题型。
【难度系数】
0.7

二、语篇填空
We all heard the story of Nü Wa patching up 修补 the sky with melted coloured stones. Many years passed and troubles broke out again. One of them 1. be a big flood. It appeared in the Yellow River during the rule of Emperor Yao, and the people 2. force to give up their villages and went to live in trees or mountains. The flood brought great damage to the 3. people life. Emperor Yao felt sorry for the suffering of the people, so he asked Gun to solve the problem. Receiving the order, Gun led his team to build dikes 堤坝 to keep back the water 4. failed. Then Shun, the next emperor, ordered Gun's son Yu to continue with the work after Gun died.
Yu accepted the work and found that it was much 5. hard than he had thought. But he fought against the great flood bravely. For thirteen years, he put 6. he to his work. He passed his house three times but he did not enter it. Drawing a lesson from his father's failure, he used methods of channeling and dredging 挖道和疏浚 and controlled the great flood 7. success. He did so much 8. the people that they called him "Yu the Great" and Emperor Shun chose him as the next emperor.
Yu won the trust of his emperor and the people with his great effort. He was such 9. wise, strong-minded and great person that he is worth 10. learn from. We will remember him forever.

二、1. was 2. were forced 3. people's
4. but 5. harder 6. himself 7. successfully
8. for 9. a 10. learning

【分析】先通读全文，明确本文主题为大禹治水的故事，再逐空结合语法规则、上下文语境及固定搭配分析：1. 考查一般过去时，主语one of them为单数，需匹配be动词过去式；2. 考查一般过去时的被动语态，结构为be forced to do，主语people为复数，对应be动词过去式；3. 考查名词所有格，表所属关系，people修饰life需用所有格；4. 考查转折连词，前后分句为转折逻辑；5. 考查形容词比较级，than提示用比较级；6. 考查反身代词，对应固定搭配put oneself to；7. 考查副词，修饰动词需用副词形式；8. 考查介词，匹配固定搭配do sth for sb；9. 考查冠词，对应such a + adj + 单数名词结构；10. 考查固定搭配be worth doing，需用动名词。
【解析】1. 主语one of them是单数，结合全文过去时态，故填was；2. 主语people与force是被动关系，过去时态，故填were forced；3. 表示“人们的生活”，用名词所有格people's；4. 前后“建堤坝挡水”和“失败”是转折关系，故填but；5. than是比较级标志，hard的比较级为harder；6. 固定搭配put oneself to（致力于），主语为he，故填himself；7. 修饰动词controlled，用success的副词形式successfully；8. 固定搭配do sth for sb（为某人做某事），故填for；9. such a + 形容词 + 单数可数名词，故填a；10. 固定搭配be worth doing（值得做），故填learning。
【答案】1. was 2. were forced 3. people's 4. but 5. harder 6. himself 7. successfully 8. for 9. a 10. learning
【知识点】一般过去时及被动语态、形容词比较级、固定搭配
【点评】本题以大禹治水的故事为语篇，综合考查时态、语态、词性变化及固定搭配等知识点，要求学生结合语境与语法知识作答，能有效检验语言运用能力，难度适中。
【难度系数】0.5