Unit4知识点-Section B Vocabulary in Use练习 2025-2026学年人教版八年级英语下册

八年级英语下册Unit4知识点-Section B Vocabulary in Use练习 小试牛刀 A. 用所给单词的正确形式填空（适当形式） 1. Lake Baikal is the __________ (deep) freshwater lake in the world. 2. To reach the bottom, you must __________ (dive) 1,620 metres. 3. Its __________ (surface) covers 31,500 square kilometres. 4. Over 1,200 types of animals can __________ (survive) in this cold environment. 5. Lake Baikal is a great natural __________ (wonderful). 配套练习 A. 单项选择（★） 从A、B、C、D中选择最佳答案。 1. What is the opposite of “below”? A. Above. B. Bottom. C. Low. D. Southern. 2. What is the opposite of “unusual”? A. Common. B. Strange. C. Risky. D. Dead. 3. How deep is Lake Baikal? A. 1,620 kilometres. B. 31,500 metres. C. 1,620 metres. D. 31,500 kilometres. 4. How large is the surface of Lake Baikal? A. 1,620 square kilometres. B. 31,500 square kilometres. C. 1,620 metres. D. 31,500 metres. 5. What can survive in Lake Baikal’s cold environment? A. Few animals. B. Over 1,200 types of animals. C. Only fish. D. No animals. B. 完成句子（★★） 根据句子内容，用正确的词汇完成句子。 1. 贝加尔湖是世界上最深的淡水湖。 Lake Baikal is the __________ __________ lake in the world. 2. 要到达湖底，你必须下潜1620米。 To reach the __________, you must __________ 1,620 metres. 3. 它的表面面积达31500平方公里。 Its __________ covers 31,500 square kilometres. 4. 超过1200种动物能在这种寒冷的环境中生存。 Over 1,200 types of animals can __________ in this cold __________. 5. 它真是一个伟大的自然奇观。 It is a great natural __________. C. 用how造句练习（★★） 根据所给提示，用how + 形容词完成句子。 1. (distance from your home to school) → ______________________________? 2. (weight of a blue whale) → ______________________________? 3. (depth of Lake Baikal) → ______________________________? 4. (frequency of exercise) → ______________________________? 参考答案与解析 小试牛刀 A 1. deepest (最高级) 2. dive (情态动词must后接动词原形) 3. surface (名词) 4. survive (情态动词can后接动词原形) 5. wonder (名词，自然奇观) 配套练习 A 1. A（below的反义词是above） 2. A（unusual的反义词是common） 3. C（dive 1,620 metres） 4. B（surface covers 31,500 square kilometres） 5. B（over 1,200 types of animals） 配套练习 B 1. deepest freshwater 2. bottom, dive 3. surface 4. survive, environment 5. wonder 配套练习 C（示例答案） 1. How far is it from your home to school? 2. How heavy is a blue whale? 3. How deep is Lake Baikal? 4. How often do you exercise? 1 学科网（北京）股份有限公司 $