Unit 3 课本知识预习+巩固练习（导学案）新五年级英语暑假自学课（沪教版五四制·新教材）

沪教版五四制五年级上册 暑假自学课 Unit 3 Amazing plants 单元知识整合 一、必会词汇 root n. 根 take in 吸收 stem n. 茎 thick adj. 粗的 water lily n. 睡莲 react v. 反应 pine cone n. 松果 scale n. 鳞片 morning glory n. 牵牛花 二、重点短语 take in food and water 吸收食物和水 look like 看起来像 be covered with 被……覆盖 grow from 从……生长 close up 合拢 come out 开放/出现 grow bigger and bigger 越长越大 protect one’s seeds 保护种子 三、核心句型 1. It looks like an ice cream cone. 它看起来像一个冰淇淋蛋筒。 2. The flowers grow from the mud under the water. 花从水下的泥土中生长。 3. If the flowers close up or fade early in the morning, it is going to be a sunny day. 如果花早上合拢或凋谢，将会是个晴天。 4. It has a long stem and big leaves. 它有长长的茎和大大的叶子。 5. They have short, thick stems. 它们有短而粗的茎。 四、重难点突破 重难点1 look like 的用法 look like 意思是「看起来像……」，用于描述某物的外观。当主语是单数时用 looks like，主语是复数时用 look like。如 This one looks like an ice cream cone. （这个看起来像冰淇淋蛋筒。）The leaves look like a mouth with some teeth. （叶子看起来像长着牙齿的嘴巴。） This one looks like an ice cream cone. （这个看起来像冰淇淋蛋筒。） The leaves look like a mouth with some teeth. （叶子看起来像长着牙齿的嘴巴。） The leaves of this grass look like little feathers. （这种草的叶子看起来像小羽毛。） 【进阶训练】选择正确的选项：The pine cone _____ a small animal. A. look like B. looks like C. looking like 答案：B 主语 The pine cone 是单数，用 looks like，选 B。 重难点2 take in 的用法 take in 意思是「吸收……」，常用于描述植物吸收水和养分的场景。如 The roots take in food and water. （根吸收食物和水。）The leaves take in the sunlight. （叶子吸收阳光。）注意：take in 后面直接接宾词，不需要介词。 The roots take in food and water. （根吸收食物和水。） The leaves take in the sunlight. （叶子吸收阳光。） Plants take in water through their roots. （植物通过根吸收水。） 【进阶训练】选择正确的选项：The roots _____ food and water from the soil. A. take in B. take on C. take off 答案：A take in 表示「吸收」，符合语境，选 A。 重难点3 If 引导的条件句 If 引导条件句时，从句用一般现在时，主句用 be going to 表示将要发生的事。如 If the flowers close up or fade early in the morning, it is going to be a sunny day. （如果花早上合拢或凋谢，将会是个晴天。）If the flowers are still open after 6 a.m., it is going to be cloudy or rainy. （如果花6点后仍然开放，将会是多云或下雨。） If the flowers close up, it is going to be sunny. （如果花合拢，将会是晴天。） If the flowers are still open, it is going to be rainy. （如果花仍然开放，将会下雨。） If it rains, we are going to stay at home. （如果下雨，我们将待在家里。） 【进阶训练】选择正确的选项：If the pine cones’ scales are open, it _____ a sunny day. A. is going to be B. was C. is going to 答案：A If 条件句主句用 be going to，且后面跟名词 a sunny day 需要 be 动词，选 A。 知识演练场 一、看图选词，将序号写在括号内 1. ( ) A. stem B. root C. morning glory D. water lily 2. ( ) A. stem B. root C. morning glory D. water lily 3. ( ) A. stem B. root C. morning glory D. water lily 4. ( ) A. stem B. root C. morning glory D. water lily 二、单项选择 1. The pine cone _____ a small animal. A. look like B. looks like C. looking like 2. The roots _____ food and water from the soil. A. take in B. take on C. take off 3. If the flowers close up, it _____ a sunny day. A. is going to be B. was C. is going to 4. The wall is covered _____ plants. A. in B. with C. on 5. The flowers grow _____ the mud under the water. A. from B. in C. on 三、情景选择 1. 你想说一棵植物的叶子看起来像小羽毛，你可以说： A. The leaves look like little feathers. B. The leaves are little feathers. C. The leaves look at little feathers. 2. 你想表达「如果松果的鳞片合拢，将会下雨」，你可以说： A. The pine cones fold their scales. It was rainy. B. If the pine cones fold their scales, it is going to be rainy. C. If the pine cones open their scales, it is going to be rainy. 3. 你想说爬壁虎有短而粗的茎，你可以说： A. They have a long, thin stem. B. They have short, thick stems. C. They have short, thin stems. 4. 你想表达「睡莲从水下的泥土中生长」，你可以说： A. The water lilies grow on the water. B. The water lilies grow from the mud under the water. C. The water lilies grow from the mud above the water. 四、选词填空，将序号填入横线上 A. look like B. take in C. grow from D. close up E. be covered with 1. The roots _____ food and water from the soil. 2. The leaves of this grass _____ little feathers. 3. The wall can _____ plants. How amazing! 4. If the flowers _____ early, it is going to be sunny. 5. The beautiful flowers _____ the mud under the water. 参考答案 【重难点突破】 1. B 2. A 3. A 【知识演练场】 一、1. C 2. B 3. D 4. A 二、1. B 2. A 3. A 4. B 5. A 三、1. A 2. B 3. B 4. B 四、1. B 2. A 3. E 4. D 5. C 第 1 页 共 4 页 学科网（北京）股份有限公司 $