话题十一 科普知识（5年3考）-【一战成名新中考】2024广西中考英语·语篇读写练优质课件PPT（人教版）

第二部分 高频话题读写练 话题十一 科普知识（5年3考） 广西英语RJ 英语 1 【话题角度】生活常识（5年3考）；自然科普 【教材单元链接】 人教 外研 译林 八（上）U4 城镇 八（下）U7 世界的 事实 八（下）U9 有趣的 地方 九（全）U8 神秘的 事物 八（上） M2生活环 境 九（上） M10国家 和国籍 七（下）U1 国家和首都 八（上）U7 天气和季节 八（下）U1 不同时期的交通 工具 九（上）U2 彩虹的颜色 九（下）U1 中国事物和景点 2 话题语篇专练 Passage 1（2023广东） 【课标高频词句】 1.find one's way home _____________________ 2.be born with____________ 3.get lost_______ 4.be able to do sth.______________ 找到某人回家的路 天生具有 迷路 能够做某事 3 5.have difficulty （in） doing sth.________________ 6.deal with_______ 7.depend on_______ 8.solve this problem________________ 9.turn off_______ 10.mean a lot to… __________________ 做某事有困难 处理 依靠 解决这个问题 关掉 对……意义重大 4 Some animals can easily find their way home after a long journey. How do they make it? Scientific research shows that they are born with certain unusual abilities for direction. A certain kind of ants, for example, can count their steps to avoid getting lost. They can go as far as 110 metres and bring food home. These ants live in the open desert（沙漠）, so they have nothing to guide them along the way. It's like someone walking six kilometres through a dark forest. 5 Some fish have an unbelievable sense of smell. They can smell even a single drop of their home water in a large sea area. Some sea birds have a similar ability. They are able to make a smell map of their flying area. Some animals can sense the earth's magnetic field（磁场）, while humans can't. This magnetic field guides a certain kind of fish when they swim a long way to a place and then back. How can this kind of fish do that? It is still a mystery. Scientists have no good answers yet. However, animals with such unusual abilities still have difficulty dealing with environmental changes caused by human activities. For example, many birds depend on stars for direction, but they get lost easily at night when city lights are kept on all night. To solve this problem, we can simply turn off some lights at night. Clearly, one small act of h