Unit1知识点-Cross-curricular connection练习2025-2026学年沪教版英语八年级下册

八年级英语下册Unit1知识点-Cross-curricular connection练习 小试牛刀 A. 用 can, need to, should, must 填空 1. Donating blood __________ save lives. 2. A blood donor __________ be healthy and older than 18 in many countries. 3. Blood donors __________ weigh at least 50 kg. 4. People with Type O blood __________ donate to anyone. 5. You __________ consider donating blood when you become an adult. 6. We __________ help elderly people in our community. 7. You __________ apply by sending an email to join the volunteer group. B. 用括号内动词的正确形式填空（一般现在时） 1. Donating blood __________ (save) lives. 2. About one in seven people in hospital __________ (need) blood to get better. 3. A blood donation __________ (be) a life-giving gift. 4. A person __________ (need) to be healthy and older than 18 to donate blood. 5. Blood donors __________ (should) weigh at least 50 kg. 6. Type O __________ (be) the “universal donor”. 7. World Blood Donor Day __________ (celebrate) every year on 14 June. 8. He __________ (discover) the ABO blood group system. (一般过去时，但可保留) 9. We __________ (visit) elderly people every weekend. 10. You __________ (can) apply by sending an email. C. 完成句子 1. 献血可以救人。 Donating blood __________ save lives. 2. 在许多国家，献血者需要身体健康且年满18岁。 In many countries, a blood donor __________ to be healthy and older than 18. 3. O型血是“万能供血者”。 Type O is the “__________ __________”. 4. 世界献血者日在每年的6月14日庆祝。 World Blood Donor Day __________ celebrated every year on 14 June. 5. 我们每周末去看望老人，帮助他们打扫房间、散步、教他们用智能手机。 We __________ elderly people every weekend. We help clean their rooms, go for walks with them, and teach them to use smartphones. 配套练习 A. 单项选择（★） 从A、B、C、D中选择最佳答案。 1. “Donating blood saves lives.” 这句话使用的时态是： A. 一般过去时 B. 一般现在时 C. 一般将来时 D. 现在进行时 2. “A blood donor should weigh at least 50 kg.” 中的 “should” 表示： A. 能力 B. 建议 / 应该 C. 可能 D. 必须 3. “Type O is the universal donor.” 中的 “universal donor” 意思是： A. 万能受血者 B. 万能供血者 C. 稀有血型 D. 常见血型 4. “You can apply by sending an email.” 中的 “can” 表示： A. 能力 B. 许可 C. 可能 D. 建议 5. 下列句子中，一般现在时使用正确的是： A. Blood donors need to be healthy. B. Blood donors needs to be healthy. C. Blood donors are need to be healthy. D. Blood donors needing to be healthy. B. 完成句子（★★） 根据文章内容和语法提示，用正确的情态动词或动词形式完成句子。 1. 献血可以成为给某人的生命礼物。 A blood donation __________ be a life-giving gift for someone. 2. 一个人在接受输血前需要知道自己的血型。 A person __________ to know their blood type before they receive blood. 3. AB型血是“万能受血者”。 Type AB is the “__________ __________”. 4. 世界献血者日是卡尔·兰德施泰纳的生日。 World Blood Donor Day is the birthday of Karl Landsteiner, who __________ the ABO blood group system. 5. 你可以发邮件申请加入志愿者小组。 You __________ apply by sending an email to join the voluntary group. C. 补全对话（★★★） 根据图片内容和语法知识，从方框中选择合适的句子完成对话。 A. You need to be healthy and over 18. B. Type O is the universal donor. C. Yes, we visit elderly people every weekend. D. You can apply by sending an email. Tom: What are the requirements to donate blood? Lucy: (1) __________ Tom: Which blood type can be given to anyone? Lucy: (2) __________ Tom: Do you have a voluntary group to help elderly people? Lucy: (3) __________ Tom: How can I join? Lucy: (4) __________ D. 拓展思考（★★★） 请根据要求完成以下任务。 Part 1（描述一项志愿活动） 用一般现在时写三句话，介绍你所在学校或社区的一项志愿活动（帮助谁、做什么、多久一次）。 1. ____________________________________________________________ 2. ____________________________________________________________ 3. ____________________________________________________________ Part 2（使用情态动词） 用 can, should, need to 各写一个关于帮助他人的句子。 4. (can) ________________________________________________________ 5. (should) ______________________________________________________ 6. (need to) ____________________________________________________ Part 3（综合） 写一段话（至少5句）介绍献血的重要性。说明谁可以献血、血型分类、以及世界献血者日。使用一般现在时、至少两个情态动词。 ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ 参考答案与解析 小试牛刀 A 1. can 2. need to / must 3. should / must 4. can 5. should 6. should / can 7. can 小试牛刀 B 1. saves 2. need 3. is 4. needs 5. should 6. is 7. is celebrated 8. discovered 9. visit 10. can 小试牛刀 C 1. can 2. needs 3. universal donor 4. is 5. visit 配套练习 A 1. B 2. B 3. B 4. A 5. A 配套练习 B 1. can 2. needs 3. universal recipient 4. discovered 5. can 配套练习 C 1. A 2. B 3. C 4. D 配套练习 D（参考示例） 1. Our school has a volunteer group called “Sunshine Helpers”. 2. We help clean the library every Friday afternoon. 3. We also help younger students with their homework. 4. Anyone can join the volunteer group. 5. We should help those in need in our community. 6. You need to be responsible and kind to become a volunteer. 7. Donating blood is very important because it saves lives. In many countries, a donor needs to be healthy and older than 18. They should weigh at least 50 kg. There are four main blood types: A, B, O and AB. Type O is the universal donor, so it can be given to anyone. Type AB is the universal recipient. World Blood Donor Day is celebrated on 14 June, the birthday of Karl Landsteiner, who discovered the ABO system. When I become an adult, I will consider donating blood to help others. 1 学科网（北京）股份有限公司 $