Unit 7 现在完成时专项练习2025-2026学年人教版英语八年级下册

**基本信息** 聚焦现在完成时核心用法，通过多题型梯度训练构建从基础形式到语境应用的知识逻辑，提升语言运用与思维辨析能力。 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |动词填空|5题|考查have/has+过去分词结构及不规则动词|基础形式建构，强调时态构成核心要素| |单项选择|5题|时态辨析（现完与一般过去时）、语境应用|关联时间状语（yet/ever等）与时态判断| |句型转换|5题|否定句、疑问句、划线提问等句式变化|语法规则迁移，强化句式转换逻辑| |完形填空|6空|语篇中动词时态运用（含so far等标志词）|从单句到语篇，体现时态的语境连贯性| |汉译英|5题|含非延续性动词转换（如buy→have had）|实际语言输出，突出应用难点突破|

八年级下册 Unit 7 现在完成时专项练习 班级：__________ 姓名：__________ 得分：__________ (一) 用括号内动词的正确形式填空 (10分) （提示：注意不规则动词的过去分词形式。） 1.Scientists ________ already ________ (discover) many facts about the universe. 2.I ________ just ________ (finish) reading the book about Qomolangma. 3.She ________ never ________ (see) a giant panda in the zoo before. 4.We ________ (not climb) that high mountain yet. It’s too dangerous. 5.— ________ you ever ________ (visit) the West Lake? — Yes, I ________. (二) 单项选择 (10分) 6.— ______ you ______ the movie The Wandering Earth II? — Yes, I have. It’s amazing. A. Do; watch B. Did; watch C. Have; watched D. Are; watching 7.The government has done a lot to protect the environment. Many rivers and lakes are much cleaner than before. This means the situation ______ improved a lot. A. has B. have C. is D. are 8.— Have you read the book Journey to the West? — Yes, I ______ it last month. But I want to read it again. A. read B. have read C. will read D. am reading 9.My father isn't at home. He ______ to Shanghai on business. A. goes B. went C. has gone D. has been 10.I can't find my keys. I think I ______ them somewhere. A. lose B. lost C. have lost D. will lose (三) 句型转换 (10分) 11.They have cleaned the classroom. (改为否定句) They ________ ________ the classroom. 12.He has already eaten some bread. (改为一般疑问句) ________ he eaten any bread ________? 13.I have studied English for five years. (对划线部分提问) ________ ________ ________ you ________ English? 14.The panda weighs 100 kilos. (用现在完成时改写，加入 so far) The panda ________ ________ 100 kilos so far. 15.She has never been to Hong Kong. (改为反意疑问句) She has never been to Hong Kong, ________ ________? (四) 完形填空：保护濒危动物 (15分) 阅读短文，根据上下文用括号内动词的适当形式填空。 The giant panda is one of the most famous animals in the world. In the past, there were many pandas in China. However, because of human activities, their number 1.________ (drop) a lot. But here is some good news. Scientists and volunteers 2.________ (work) hard to save them for many years. Thanks to their efforts, the number of pandas 3.________ (increase) in recent years. So far, China 4.________ (build) many nature reserves for pandas. Also, researchers 5.________ just ________ (find) that baby pandas are very small when they are born. We 6.________ (not stop) our work yet. We must continue to protect these lovely animals. (五) 汉译英：谈论世界之最 (15分) 1.到目前为止，我们已经学过了世界上最高的山峰——珠穆朗玛峰的一些知识。 So far, we ___________________________ Mount Qomolangma, the highest mountain in the world. 2.科学家们已经测量过它的高度了吗？ ___________________________ its height yet? 3.我从来没有见过这么大的雪。 I ___________________________ snow before. 4.这本书我已经买了两年了。（注意：buy是非延续性动词，需用have had） I ___________________________ this book for two years. 5.他刚刚去了博物馆，还没回来。 He ___________________________ the museum. He will be back later. 参考答案 (一) 用括号内动词的正确形式填空 1-5 have; discovered have; finished has; seen haven't climbed Have; visited; have (二) 单项选择 6-10 C A A C C (三) 句型转换 11-15 haven't cleaned Has; yet How long have; studied has weighed has she (四) 完形填空 1-6dropped / has dropped have worked has increased has built have; found haven't stopped (五) 汉译英 1-5have learned / learnt something about Have scientists measured have never seen such big / so much have had has just gone to / has gone to 学科网（北京）股份有限公司 $