Unit 13 We're trying to save the earth!Period 2 Section A 3a－3b（分层达标课件）-【思而优·全程突破】2023秋九年级英语全一册同步训练（人教版）

九年级英语全一册 使用软件 本课件由WPS Office制作，建议老师选择对应软件打开。课件页面宽高比为16:9。 便捷操作 优质服务 关于课件使用及获取更多优质课件、名校试卷时政热点等，请扫下方码加入教学教研。 课件中的目录、返回目录等均有超链接，点击即可跳转至相应页面。 课件使用说明 UNIT 13 We’re trying to save the earth! Period 2　Section A 3a－3b 一、单句填空 1. I like reading some __________ books. My dream is to be a great scientist. 2. The climbers tried their best and reached the __________ of the mountain successfully at last. 3. You can look it up on the Internet when you __________ of some latest news. scientific top hear Period 2　Section A 3a－3b 4. To make the trees grow better，we need to __________ off some of the branches(枝条). 5. The __________ of the teachers in our school is about 200. cut number Period 2　Section A 3a－3b 二、根据汉语意思完成句子(每空一词) 1.切掉鲨鱼的鳍是残忍的。 It’s cruel __________ __________ __________ sharks’ fins. 2.鲨鱼处于食物链的顶端，但如果它们的数量下降，海洋生态系统将处于危险之中。 Sharks are at the top of the food chain，but if their numbers drop，the __________ __________ will be in danger. to cut off ocean’s ecosystem Period 2　Section A 3a－3b 3.在中国，酒后驾车是违法的。 Driving after drinking wine is __________ __________ __________ in China. 4.人工智能产业在南京的发展中扮演着重要的角色。 Artificial intelligence __________ __________ an important __________ __________ the development of Nanjing. 5.制造噪声对人们的听力有害。 Making noise __________ __________ __________ people’s hearing. against the law industry plays role in is harmful to Period 2　Section A 3a－3b 三、阅读理解 A On most plastic packaging(包装)，there’s a small triangle(三角)with a letter or a number written inside. These little symbols are not easy to be noticed，but are really important. They tell you what kind of plastic it is and whether it can be recycled or not. Period 2　Section A 3a－3b Can it be recycled? Types of Plastic √ PET This is the plastic that you often see on supermarket shelves! It’s used to make plastic water bottles and biscuit boxes. √ HDPE HDPE is a stronger type of plastic.