Unit7知识点 A部分练习 2025-2026学年沪外教版七年级英语上册

七年级英语上册Unit7知识点-A部分练习 小试牛刀 A. 选用方框中的短语填空（每个限用一次） | sea level rises | water temperatures heat up | get shorter | come late | melting ice | 1. As the ____________________, the forest near the coast becomes salty and dry. 2. When ____________________, cold-loving fish have to find cooler places. 3. Some bees’ tongues have ____________________ over the past 40 years. 4. ____________________ causes the sea level to rise. 5. Snow does not come on time. It ____________________ in some areas. B. 句型转换（改为一般疑问句并作肯定或否定回答） 1. The Earth’s temperature has risen by about one degree Celsius. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 2. Global warming causes the sea level to rise. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 3. Some bees’ tongues are getting shorter. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 配套练习 A. 单项选择（★） 从A、B、C、D中选择最佳答案。 1. What happens when water temperatures heat up? A. Fish stay where they are. B. Cold-loving fish travel to cooler places. C. More fish are born. D. Fish grow bigger. 2. Why do some rabbits have problems according to the headline? A. Because they cannot find food. B. Because snow comes late. C. Because their tongues get shorter. D. Because the sea level rises. 3. What has happened to bees’ tongues over the past 40 years? A. They have got longer. B. They have got shorter. C. They have changed colour. D. They have stayed the same. 4. What does “global warming” cause? A. Cooler temperatures. B. Melting ice and rising sea levels. C. More snow. D. Longer bees’ tongues. 5. The word “climate” in the passage means ______. A. 天气 B. 气候 C. 温度 D. 环境 B. 完成句子（★★） 根据句子内容，用正确的词汇完成句子。 1. 地球的温度自1880年以来上升了约1摄氏度。 The Earth’s ______ has ______ by about one degree Celsius since 1880. 2. 融化的冰导致海平面上升。 Melting ice ______ the sea level to ______. 3. 雨水减少使得树木难以生长。 Less rain ______ it hard for trees to ______. 4. 一些兔子不能足够快地改变它们的毛色，面临危险。 Some rabbits can’t ______ their fur quickly ______ and are at risk. 5. 蜜蜂舌头变短使得它们更难找到食物。 It’s hard for bees with ______ tongues to ______ food. 拓展思考 写一段话（至少5句）描述全球变暖对一种动物或植物的影响。回答以下问题：这种动物/植物是什么？全球变暖如何改变它的生活环境？它遇到了什么困难？使用以下表达： causes...to... / makes it hard for... / because / If...then... _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ 参考答案与解析 小试牛刀 A 1. sea level rises 2. water temperatures heat up 3. get shorter 4. Melting ice 5. comes late 小试牛刀 B 1. Has the Earth’s temperature risen by about one degree Celsius? Yes, it has. / No, it hasn’t. 2. Does global warming cause the sea level to rise? Yes, it does. / No, it doesn’t. 3. Are some bees’ tongues getting shorter? Yes, they are. / No, they aren’t. 配套练习 A 1. B（冷水鱼迁移） 2. B（雪来晚了，兔子有问题） 3. B（变短） 4. B（冰川融化和海平面上升） 5. B（气候） 配套练习 B 1. temperature, risen 2. causes, rise 3. makes, grow 4. change, enough 5. shorter, find 拓展思考（示例） Global warming causes the sea level to rise, so polar bears are losing their hunting grounds. They need sea ice to hunt seals. When the ice melts, it makes it hard for them to find food. If the ice disappears, polar bears may have to move to land. But on land, there is less food. Some polar bears become thinner and weaker. We should help slow down global warming to protect them. 1 学科网（北京）股份有限公司 $