资源简介 / 让教学更有效 高效备考 | 英语学科仁爱科普版七年级下册 Unit 8 知识清单一、重点词组搭配(一)水域与地貌Niagara Falls 尼亚加拉瀑布The Nile River 尼罗河Lake Baikal 贝加尔湖The Pacific Ocean 太平洋The Bohai Sea 渤海Huangguoshu Waterfall 黄果树瀑布water cycle 水循环freshwater lake 淡水湖inland sea 内陆海waterscape 水景(二)动作与行为turn off the tap 关闭水龙头save water 节约用水reuse water 重复用水collect rainwater 收集雨水form clouds 形成云层go up into the sky 升入天空make a poster 制作海报brush teeth 刷牙take a shower 洗澡waste water 浪费水(三)情感与状态be important to 对…… 重要be full of 充满be lucky 幸运的every drop of water 每一滴水in the desert 在沙漠中make full use of 充分利用worry about 担心pay for 支付start to do 开始做be sure to 一定(四)逻辑与数字square kilometers 平方公里kilometers long 公里长about 1% of 大约 1%more than 超过in size 在尺寸上cover an area of 覆盖…… 面积as...as possible 尽可能……in short 总之in time 及时from now on 从现在起二、重点句型用法(一)水域特征描述It is a 99-meter-high waterfall in North America.(它是北美一个 99 米高的瀑布。)It is 6,671 kilometers long. It runs through eastern Africa.(它长 6671 公里,流经东非。)It’s an old freshwater lake on the earth. It is over 25 million years old.(它是地球上一个古老的淡水湖,有两千五百多万年历史。)The Changjiang River is about 6,300 kilometers long.(长江大约 6300 公里长。)(二)水循环与水资源Water is everywhere. It’s under the ground, in the ocean and in the sky.(水无处不在,它在地下、海洋和天空中。)On sunny days, water goes up into the sky and forms clouds.(在晴天,水升入天空形成云层。)We can only use about 1% of the water on the earth.(我们只能使用地球上大约 1% 的水。)The water cycle: Water in the air gets cold, makes clouds and then forms water drops.(水循环:空气中的水变冷,形成云,然后形成水滴。)(三)节约用水建议Turn off the tap when you brush your teeth.(刷牙时关掉水龙头。)Don’t keep the water running while brushing your teeth.(刷牙时不要让水一直流。)Take a shower, not a bath.(洗淋浴,不盆浴。)Collect rainwater for later use.(收集雨水供以后使用。)(四)观点与感受表达As we all know, water is very important to us.(众所周知,水对我们非常重要。)Just because of this, we call the earth a blue planet.(正因为如此,我们称地球为蓝色星球。)Let’s save every drop of water.(让我们节约每一滴水。)Every drop counts!(每一滴水都很重要!)三、语法点详细梳理(一)数词(Numerals)基数词的构成与用法构成规则:1-12:one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve13-19:thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen(以 - teen 结尾)20-90(整十):twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety(以 - ty 结尾)百位数:数字 + hundred,如 two hundred(200),three hundred and twenty(320)千位数及以上:thousand(千), million(百万), billion(十亿),如 4,186(four thousand one hundred and eighty-six),93,000,000(ninety-three million)用法:表示数量:The Qinghai Lake covers about 4,600 square kilometers.(青海湖覆盖约 4600 平方公里。)表示顺序(与定冠词 the 连用):the first crossing(第一个十字路口)构成复合形容词:a 99-meter-high waterfall(99 米高的瀑布)百分数表达:基数词 + percent,如 1%(one percent),We can only use about 1% of the water.(我们只能使用约 1% 的水。)(二)祈使句(Imperative sentences)肯定形式动词原形开头:Turn off the tap.(关掉水龙头。)Save water.(节约用水。)Let's + 动词原形:Let’s save every drop of water.(让我们节约每一滴水。)Let’s make a poster.(让我们制作一张海报。)否定形式Don’t + 动词原形:Don’t waste water.(不要浪费水。)Don’t keep the water running.(不要让水一直流。)Never + 动词原形:Never pollute the water.(绝不要污染水。)Let's not + 动词原形:Let's not waste water here.(我们不要在这里浪费水。)功能:表示命令、请求、建议、劝告等,如 Turn off the tap when brushing your teeth.(刷牙时关水龙头,表建议)。(三)介词 of 的用法表示所属关系:1% of the water(水的 1%),the coastline of the Arctic Ocean(北冰洋的海岸线)。表示数量或种类:a drop of water(一滴水),kinds of water(各种水)。构成固定搭配:be full of(充满),make full use of(充分利用)。四、本单元话题书面表达写作指导学案(一)写作结构(以Water Is Important为例)引言(Introduction):引出水资源重要性的主题,如 Water is very important to all living things.主体(Main body)水的用途:We need to drink water every day. Plants need water to grow.水资源现状:We can only use about 1% of the water on the earth.节约用水的方法:Turn off the tap when brushing teeth. Collect rainwater."结论(Conclusion):总结水资源的重要性,呼吁节约用水,如 Every drop counts. Let's save water from now on."(二)写作要点数据支撑引用课文中的数据:The earth is full of water, but we can only use about 1% of it.补充生活中的数据:A dripping tap wastes about 5 liters of water a day.逻辑衔接表示原因:because, as, since,如 Since water is important, we need to save it.表示结果:so, as a result,如 Water is limited, so we must save every drop.表示举例:for example, such as,如 For example, we can reuse water from washing to water plants.句型丰富祈使句:Turn off the tap..., Don’t waste water...数词表达:about 1% of the water, 6,300 kilometers long观点表达:As we all know..., It’s important to...细节具体节约用水的具体做法:When brushing teeth, turn off the tap instead of letting it run.水循环的具体步骤:Water goes up into the sky, forms clouds, and then rains.(三)写作示例(An essay about saving water)大纲--OutlineTitle(题目) Save Every Drop of Water(节约每一滴水)Introduction(引文) Water is important, but limited.(水很重要,但有限)Main body(主体)Uses of water: drinking, cooking, growing plants.2. Water problems: only 1% usable.3. Saving methods: turn off taps, reuse water, collect rainwater.(1. 水的用途:饮用、烹饪、种植植物。2. 水问题:只有1%可用。3. 节约方法:关闭水龙头,回用水,收集雨水。)Conclusion(结论) Every drop counts. Start saving now.(每一滴都很重要。现在就开始节约吧。)参考范文Save Every Drop of WaterWater is one of the most important things in our life. We need to drink water every day. Plants and animals also need water to live. Without water, there would be no life on the earth.However, we can only use about 1% of the water on the earth. The rest is sea water or ice. So it’s very important for us to save water.There are many ways to save water in our daily life. First, turn off the tap when you brush your teeth. Don’t keep it running. Second, reuse the water. For example, you can use the water from washing vegetables to water plants. Third, collect rainwater. You can use it to clean the floor or water the garden.Every drop of water is precious. Let’s start saving water from now on. Remember, saving water is saving our lives! 展开更多...... 收起↑ 资源预览