Unit4-Epic engineering- Section C-同步练2025-2026学年沪外教版七年级英语下册

Unit 4 Epic engineering ⭐Section C 同步练 一、单项选择（共 10 小题，每小题 1 分，共 10 分） 从 A、B、C、D 四个选项中选出最佳答案。 ( ) 1. ______ he tried hard, he failed to solve the problem. A. Although B. Because C. If D. So ( ) 2. We often use “even” with ______ (but not with “although”). A. although B. though C. both A and B D. neither A nor B ( ) 3. ______ it is challenging to build the railway, the engineers never give up. A. Although B. Because C. If D. So ( ) 4. He still finished the project on time ______ he faced many difficulties. A. although B. because C. if D. so ( ) 5. ______ the material was expensive, the scientists decided to use it. A. Although B. Because C. If D. So ( ) 6. “Even though he was tired, he kept working.” The sentence means ______. A. He was tired, so he stopped working B. He was tired, but he kept working C. He was not tired, so he kept working D. He was not tired, but he stopped working ( ) 7. Which of the following sentences is NOT correct? A. Although he tried hard, he failed. B. Though he tried hard, he failed. C. Even although he tried hard, he failed. D. Even though he tried hard, he failed. ( ) 8. The dam is still used to stop floods ______ it was built a long time ago. A. although B. because C. if D. so ( ) 9. The workers continued to work on the site ______ the weather was challenging. A. although B. because C. if D. so ( ) 10. “Although it takes a long time to build a park, it will give us a nice place to play.” The word “although” shows ______. A. cause and effect B. contrast C. time order D. condition 二、完形填空（共 10 小题，每小题 1 分，满分 10 分） 阅读短文，掌握大意，从 A、B、C、D 四个选项中选出最佳选项。 Although building engineering works is 1______, engineers never give up. They work hard to solve problems and create amazing things. Take the Qinghai-Xizang Railway as an example. Though the permafrost problem was 2______, engineers invented ways to solve it. Even though the air is 3______ in the high mountains, they designed special trains with more oxygen. Although building the railway 4______ over 50 years, they never stopped working. Another example is the Gotthard Base Tunnel. Even though it goes through hard rock, engineers used modern machines to dig safely. Though the material for the project was 5______, the scientists decided to use it because it was the best choice. These examples show that 6______ challenges are big, hard work can make anything possible. Engineers use their creativity and skills to 7______ difficulties, and their works make our lives better. We can learn from them that even when things seem 8______, we should keep trying. Even though we may face many problems, we can 9______ them with effort. 10______ it takes time, the result will be worth it. ( ) 1. A. challenging B. easy C. boring D. fun ( ) 2. A. difficult B. easy C. boring D. fun ( ) 3. A. thin B. thick C. clean D. dirty ( ) 4. A. took B. took over C. spent D. cost ( ) 5. A. cheap B. expensive C. common D. free ( ) 6. A. although B. because C. if D. so ( ) 7. A. face B. overcome C. ignore D. avoid ( ) 8. A. impossible B. possible C. easy D. fun ( ) 9. A. solve B. make C. break D. keep ( ) 10. A. Although B. Because C. If D. So 三、句型转换（共 5 小题，每小题 2 分，共 10 分） 按要求改写句子，每空一词。 1. They faced many difficulties, but they managed to complete the project on time.（用 although/though 改写） They managed to complete the project on time, ______ they faced many difficulties. 2. The dam was built a long time ago, but it is still used to stop floods.（用 although/though 改写） ______ the dam was built a long time ago, it is still used to stop floods. 3. It takes a long time to build a park, but it will give us a nice place to play.（用 although/though 改写） ______ it takes a long time to build a park, it will give us a nice place to play. 4. The material was expensive, but the scientists decided to use it.（用 although/though 改写） The scientists decided to use the material, ______ it was expensive. 5. The weather was challenging, but the workers continued to work on the site.（用 although/though 改写） The workers continued to work on the site, ______ the weather was challenging. 四、句子改写（共 5 小题，每小题 2 分，共 10 分） 根据括号内的提示，用 although/though 改写句子。 1. The machine is challenging to invent, but Max never gives up.（用 although 开头） 2. Building a model bridge can be boring, but Sansan thinks it’s fun to use maths to design everything.（用 though 开头） 3. Digging through hard rock is difficult, but engineers can use modern machines to help them.（用 even though 开头） 4. The tunnel goes through the Alps, but it helps reduce traffic.（用 although 开头） 5. The workers didn’t get any help from abroad, but they managed to build the bridge.（用 though 开头） 参考答案 一、单项选择 1-5: ABAAA 6-10: BCAAB 二、完形填空 1-5: AAABB 6-10: ABAAA 三、句型转换 1. although/though 2. Although/Though 3. Although/Though 4. although/though 5. although/though 四、句子改写（参考答案） 1. Although it is challenging to invent the machine, Max never gives up. 2. Though building a model bridge can be boring, Sansan thinks it’s fun to use maths to design everything. 3. Even though digging through hard rock is difficult, engineers can use modern machines to help them. 4. Although the tunnel goes through the Alps, it helps reduce traffic. 5. Though the workers didn’t get any help from abroad, they managed to build the bridge. 学科网（北京）股份有限公司 $