2026-2027学年人教版英语九年级上册 Unit 2 Section B（1a-1f）分层课时作业

**基本信息** 初中英语人教版九年级上册Unit 2 Section B（1a-1f）同步练，采用A（基础）、B（能力）、C（拓展）三层设计，以“词汇-句型-语篇”递进路径巩固语言知识，兼顾语言能力与思维品质培养。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |A层|核心词汇默写、基础语法（spend用法等）、课文内容|单词音标提示默写、课文挖空强化语篇记忆| |B层|句型转换（同义句、被动语态）、语篇理解（细节/推理）|改编课文阅读理解，六选五补全短文提升语篇逻辑| |C层|词汇语境运用、情景交际|选词填空整合核心词汇，情景问答渗透科学家精神|

人教版九年级上册 Unit 2 Section B（1a-1f）分层课时作业 A层：基础过关（必做） 一、单词短语默写（音标/中文提示写原形） 1. /baɪˈɒlədʒɪst/ n.生物学家 ________ 2. /siːd/ n.种子 ________ 3. /rɪˈsɜːtʃ/ n.&v.研究；调查 ________ 4. /feɪs/ v.面对 adj.面部的 ________ 5. /haɪt/ n.高度；海拔 ________ 6. /ˈprəʊɡræm/ n.项目；方案 ________ 7. 短语：spend one’s whole life doing sth. ________________________ 8. 短语：leave behind ________________________ 二、单项选择 1. Zhong Yang was a great ________, who spent his life studying plants and seeds. A. biologist B. musician C. painter D. pilot 2. Zhong Yang ________ his whole life ________ seeds for China’s seed banks. A. spent; collect B. spent; collecting C. took; collect D. took; collecting 3. ________ very difficult for him to brave the cold weather and great heights in Xizang. A. That was B. This was C. It was D. He was 4. ________ he found little research on Xizang seeds, he decided to go there himself. A. When B. Unless C. Though D. If 5. In 2001, he began ________ around Xizang to collect different kinds of seeds. A. travel B. travelled C. travelling D. travels 6. Zhong Yang ________ a deep love ________ plant research from his youth. A. showed; for B. gave; to C. got; with D. made; of 7. He built a huge ________ of plant seeds for our country. A. condition B. collection C. invention D. instruction 8. The seed banks keep all kinds of plants ________ we need for food. A. what B. who C. that D. whose 9. People all over the country ________ Professor Zhong Yang for his great work. A. reflect B. respect C. regret D. receive 10. He sometimes fell sick, ________ he never gave up his seed‑collecting work. A. so B. or C. and D. but 三、课文原文挖空 Zhong Yang was a well‑respected ________. He spent his whole life ________ plants and seeds. When he was young, he ________ a deep love for biology. Later he went to Xizang ________ seeds. It was hard for him to ________ the cold weather and high heights. He started a programme ________ local students to do field research. He left behind not only a huge seed ________ but also his spirit. B层：能力提升（选做） 1、 句型转换 1.He spent his whole life researching plants and seeds.（改为同义句） He spent his whole life ________ ________ ________ plants and seeds. 2. It was very difficult for him to face the cold weather and great heights.（对划线部分提问） ________________________________________________ 3. Zhong Yang died in a car accident on 25 September 2017.（对划线部分 提问） ________________________________________________ 4. The seed banks protect all kinds of plant seeds.（改为被动语态） ________________________________________________ 5. His love for his job lives on in his students.（改为一般疑问句） ________________________________________________ 二、阅读理解（取材课本原文改编，题型：细节理解、推理判断、词义猜测） The Inspiring Seed Scientist On 25 September 2017, Chinese professor Zhong Yang died in a car accident. The well‑respected biologist spent all his life researching plants and seeds. For years, he collected lots of important seeds for China’s seed banks. These banks protect plant seeds so that important plants will not disappear forever. Born in 1964, Zhong Yang was an excellent student. He entered university at 15. At first he studied radio engineering, and later he became interested in plants. When he found there was little research on Xizang’s seeds, he travelled there. The cold weather and great heights brought him much trouble. He often fell ill, but he kept working. He started a programme to train local students as scientists. Together with his team, they collected over 40 million seeds from more than 1 000 plant types. He left far more than seeds. His spirit lives on among his students. 1. What was Zhong Yang’s job? A. A car driver B. A biologist C. An engineer D. A doctor 2. Why did Zhong Yang travel to Xizang? A. To build new universities B. To do research on local seeds C. To treat his serious illness D. To open new seed banks there 3. What does the underlined word “disappear” mean? A. die out B. grow fast C. become popular D. change colour 4. Which of the following is TRUE according to the text? A. He went to university when he was 18. B. He never got sick during his trips in Xizang. C. His team collected more than 40 million seeds. D. He only trained students from big cities. 5. What can we infer from the passage? A. All plant seeds in China are from Xizang. B. Zhong Yang’s spirit still influences his students. C. Seed banks can stop all kinds of accidents. D. Zhong Yang died from bad weather in Xizang. 三、六选五补全短文A. So he travelled across Xizang to collect seeds B. He was born in 1964 C. He started a programme to train local students D. His great achievements will always be remembered E. However, the work was full of difficulties F. He didn’t like radio engineering at all Zhong Yang was a great Chinese biologist. 1.________ As an excellent student, he went into university at age 15. Later he became interested in plants. He found there was not enough research on Xizang seeds. 2.________ 3.________ The cold weather and high heights made him sick sometimes. But he never stopped his work. Besides collecting seeds himself, 4.________ They worked together and collected huge numbers of seeds. Zhong Yang passed away in 2017. 5.________ More importantly, his spirit lives on in the young scientists he trained. C层：拓展创新（选做） 任务1 选词填空（每词仅使用一次） research；face；collection；programme；height Zhong Yang took part in an important ________ for plant ________. He had to ________ terrible cold and great ________. Finally, he built a huge seed ________ for our country. 任务2 情景交际单项选择 1. —What makes Zhong Yang so admirable? —________ A. He loved his work and kept working in hard conditions. B. He lived in Xizang all his life. C. He never fell ill in Xizang. D. He only collected seeds for money. 2. —Why did Zhong Yang train local students? —________ A. Because he wanted more people to do seed research. B. Because he didn’t want to work any longer. C. Because local students knew all plant seeds already. D. Because he wanted to leave Xizang quickly. 3. —What can we learn from Zhong Yang? —________ A. We should give up when we meet difficulties. B. We should value our own life and never work hard. C. We should stick to our dreams and devote ourselves to work. D. We must travel to Xizang to collect seeds. 参考答案 A层 一、单词短语默写 1. biologist 2. seed 3. research 4. face 5. height 6. programme 7. 毕生做某事 8. 留下；遗留 二、单项选择 1.A 2.B 3.C 4.A 5.C 6.A 7.B 8.C 9.B 10.D 三、课文原文挖空 biologist；researching；showed；to collect；face；to train；collection B层 一、句型转换 1.doing research on 2. What was it very difficult for him to face? 3. When did Zhong Yang die in a car accident? 4. All kinds of plant seeds are protected by the seed banks. 5. Does his love for his job live on in his students? 二、阅读理解 1.B 2.B 3.A 4.C 5.B 三、六选五补全短文 1.B 2.A 3.E 4.C 5.D C层 任务1 选词填空 programme；research；face；height；collection 任务2 情景交际单选 1.A 2.A 3.C 学科网（北京）股份有限公司 $