Unit 2 A green life（期中知识清单）五年级英语上学期（外研版三起·新教材）

期中知识清单·外研版三起五上 Unit 2 A green life 考点一：can的用法 考点二：祈使句的用法 考点三：should的用法 考点一：can的用法 ①—I can make use of it. 我可以利用它。 ②—What can you make? 你能做出什么？ —I can make a toy cat. 我能做一只玩具猫。 【语法要点】 can 作为情态动词，有多种用法，以下是其主要用法的总结： 1. 表示能力：指脑力或体力方面的能力，可翻译为 “能，会”。如： (1) I can speak English well. 我英语讲得好。 (2) We can take our own water bottles to school. 我们可以带我们自己的水瓶去学校。 2. 表示请求或允许：常用于口语中，表示请求或允许做某事，可翻译为 “可以，能”，结构为： Can + 主语 + 动词原形 (+ 其他)? 肯定回答：Yes, 主语 + can. /Sure./No problem. 否定回答：No, 主语 + can’t. 如： (1) — Can I have a cup of milk , please? 请问我可以喝一杯牛奶吗？ — Sure. Here you are. 当然。给你。 (2) — Can I wear my new T-shirt? 我可以穿我的新 T 恤衫吗？ — No, you can’t. Because it is cool today. 不，你不能 (穿)。因为今天天气很凉。 3. 表示推测和可能性：用于否定句或疑问句中，表示某种可能性；用于肯定句时，表示抽象或理论上的可能性。 如： Dandan can’t be in the classroom. 丹丹不可能在教室里。 4. 表示惊讶：一般用于疑问句中，带有感情色彩，表达惊讶或怀疑。如： Can the news be true? 这消息可能是真的吗？ ⚠注意 can 不能单独作谓语，需在其后接动词原形共同作谓语，谓语动词的形式不受人称和主语单复数的变化影响，无须变形。含有 can 的特殊疑问句只需把它提前到主语前即可。 如： — What can you do? 你会做什么？ — I can play football. 我会踢足球。 即时练习 一、单项选择。 ( ) 1．He ______ clean the window. He is too young. A．can B．can’t C．not ( ) 2．—What ______ you do at home? —I can water the plants. A．can B．do C．does ( ) 3．A bird ______ fly high in the sky. A．can B．can’t C．mustn’t ( ) 4．—Can you tidy up the desk? —Yes, I ______. A．am B．do C．can ( ) 5．We ______ throw away useful things. They are helpful. A．can B．can’t C．not 二、选词填空。 6．I’m sorry, Lele. We can’t (visit/visits) Grandpa and Grandma today. 7．She can (run/runs) very fast. 8．I can (borrow / borrows) your pen. 9．I (can / can’t) use a computer, but I’d like to have a try. 10．This boy is blind. He see. (can / can’t) 考点二：祈使句的用法 1．Don’t throw it away. 别扔掉它。 2．Take it. 拿着它。 3．Open the milk box and wash it with water. 打开牛奶盒子并用水洗。 4．Don’t use plastic every day! 不要每天使用塑料！ 一、概念： 用于表达命令、请求、建议、劝告或禁止等意义的句子叫祈使句。其主语常为第二人称且省略（let’s 除外），一般以动词原形开头，没有时态和数的变化。 2、 祈使句类型： · 祈使句三类型，Let，Do型，还有be 类型 句型结构 例句 Do型祈使句 动词原形+其他. Hurry up! 快点。 Put your hand up to speak. 发言要举手。 Be型祈使句 Be+形容词. Be quiet.保持安静 Be a good boy.做个好孩子。 Let型祈使句 Let's/Let me+动词原形+其他. Let me help you.让我帮你。 Let’s play football.让我们一起踢足球吧。 · 否定祈使句：否定前面加don't, 想要客气 please 类型 句型结构 例句 Do型祈使句 Don't+动词原形+其他. Don’t run in the class.不要在班里乱跑。 Be型祈使句 Don't+be+形容词. Don't be late for class. 不要上课迟到。 示例： Open the door！ →Don't open the door！ Close the window！→Don't close the window！ Be quiet!→ Don't be quiet! · 拓展：No型祈使句 （1）No+动词-ing形式+其他. （2）No+名词+其他. 例句：No fishing. 禁止钓鱼 No photos. 禁止拍照；请勿拍照 3、 易错点提示： (1) Let 后要加人称代词的宾格形式。 (2) No + 动词 - ing 形式.=Don’t + 动词原形. 例：No fishing! =Don’t fish! 禁止钓鱼！ (3) 回答祈使句的肯定形式一般用 will，回答祈使句的否定形式一般用 won’t。 4、 记忆口诀： 祈使句，有威力，请求、命令或建议。 主语 you 常省去，动词原形开头记。 否定式要注意，句首要把 Don’t 立。 语气委婉 please，句首、句末没关系。 No doing! 需谨记，表示 “禁止” 不小觑。 即时练习 一、单项选择。 ( ) 1．Don’t ______ up! You can finish the project well. A．give B．gives C．giving ( ) 2．______ quiet in the library, please. A．Be B．Being C．To be ( ) 3．______ play on the street. It’s dangerous. A．Not B．Don’t C．No ( ) 4．Please ______ the glue to Jam. A．pass B．passes C．passing ( ) 5．______ waste water. It is precious. A．Don’t B．Doesn’t C．Not 二、句型转换。 6．Eat too much meat! (改为否定句) ______________________________________________ 7．We should save water. (改为祈使句) ______________________________________________ 8．Don’t take off your scarf.(改为肯定句) ______________________________________________ 9．They’re playing football on the road. （用“Don’t”改为祈使句） ______________________________________________ 考点三：should的用法 We should bring our own water bottles. 我们应该带来自己的水瓶。 should 是情态动词，后接动词原形，无人称和数的变化，否定形式为 should not（缩写 shouldn’t）。这本单元中should表示 “应该、应当”用于提出建议、义务或责任，语气比 must 委婉。 【核心考点】 · 后接动词原形，如：should do（不能说 should to do /should does） · 否定句：主语 + shouldn’t + 动词原形 例句：You shouldn’t pick flowers in the park. · 一般疑问句：Should + 主语 + 动词原形？ 回答：Yes, 主语 + should. / No, 主语 + shouldn’t. 例句：— Should we save water? 我们应该节约用水吗？ —Yes, we should. 是的，应该。 即时练习 一、单项选择。 ( ) 1．You ______ finish your homework first. A．should B．are C．do ( ) 2．You ______ eat more vegetables. They are good for your eyes. A．shouldn’t B．should C．can’t ( ) 3．We should turn off lights when we ______ the room. A．leave B．leaves C．leaving ( ) 4．We should ______ rubbish into different recycling bins. A．put B．puts C．putting ( ) 5．You ______ throw rubbish everywhere. A．should B．shouldn’t C．can 二、根据常识，用 should/shouldn’t填空。 6．You eat some fish. 7．You drink too much cola. 8．You eat too much ice cream. 9．You drink enough water. 10．You eat some vegetables. 写作主题：环保倡议书 方法步骤： 环保倡议书，可按 “三步法” 写作：第一步开头，点明倡议对象与地球困境，快速共情；第二步正文，聚焦污染问题，从日常、集体、长期层面给出措施；第三步结尾，用美好愿景及互动呼吁，激发行动。 素材积累： 必备词汇 必备句型 开头 倡议对象：children, classmates, kids… 地球困境：the earth, in trouble, not well, plastic pollution • Dear kids, • Our earth is in trouble. • The earth is our home, but it’s not well. • It’s heartbreaking to see our earth is in trouble. 正文 污染问题：plastic, food waste, use, pollution, throw rubbish, cut down 措施：save, clean, plant, recycle, cut down, use , trees • Rubbish is everywhere. • The river and the sea are dirty. • Don’t throw rubbish. • We can plant trees. • We should bring our own cloth bags to the store. 结尾 愿景及呼吁：protect, be good for, better • Our earth will be better. 小试身手： 我们每个人都能成为地球小卫士！请以“How Can We Live a Green Life?”为题，结合思维导图中的关键词，写一篇关于环保行动的英语短文。 要求： 1. 不少于5句话； 2. 条理清楚，语句通顺，拼写正确，书写规范。 How Can We Live a Green Life? ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 范文： How Can We Live a Green Life? Living a green life is easy if we follow three steps: recycle, reduce, and reuse. First, we should recycle plastic bottles and glass to save resources. Second, turn off the tap when brushing teeth, this helps save water. Also, reuse your water bottle instead of buying plastic ones. These small actions make a big difference. Let’s be Earth guardians together! 一、选出与画线单词属于同一类的一项。 ( ) 1．We should recycle waste paper. A．make B．plastic C．land ( ) 2．There is some metal on the ground. A．waste B．useful C．each ( ) 3．This is a newspaper on the table. A．nut B．flat C．throw ( ) 4．Don’t throw the bottle away. A．earth B．recycle C．shop ( ) 5．Turn off the light when leaving a room. A．seat B．useful C．into 二、单选题。 ( ) 1．Earth Day is ______ April 22nd every year. A．in B．on C．at ( ) 2．Every small action ______ a big difference to our earth. A．make B．makes C．making ( ) 3．Don’t use plastic ______ day to protect our earth. A．every B．some C．many ( ) 4．Don’t waste food. We can use food waste ______ flowers. A．grow B．to grow C．grows ( ) 5．To keep the world green, we ______ cut down plastic use. A．shouldn’t B．should C．can’t ( ) 6．We can use things again, don’t throw ______ away. A．them B．it C．they ( ) 7．—______ I open the window? —Yes, please. A．Do B．Should C．Are ( ) 8．My mother says I ______ do my homework first after school. A．should B．to should C．should to ( ) 9．______ waste plastic. It’s bad for the Earth. A．Don’t B．Not C．Do ( ) 10．Old bottles ______ turn into new things. A．can B．cans C．is 三、用所给单词的适当形式填空。 1．Please (give) old T-shirts to us. 2．Let’s (be) kind to the animals. 3．We can ( make ) bird houses with old boxes. 4．Mike was good at English from the (begin). 5．Everything (turn) into gold in the story. 四、根据图片和首字母提示，补全句子。 第1题图 第2题图 第3题图 第4题图 第5题图 1．We shouldn’t throw w Weverywhere. We should put it in the bin. 2．Waste paper can be made into n . 3．We should r plastic bottles to protect the Earth. 4．M cans can be used to make many things. 5．We start to protect the Earth from the b . 五、为下列句子选择匹配的图片。 A．   B． C．  D． E． ( ) 1．We can reuse old T-shirts to make bags. ( ) 2．Reduce plastic bags when shopping. ( ) 3．Wash the milk box before recycling. ( ) 4．Make bird houses with old boxes for birds. ( ) 5．Use food waste to help plants grow. 六、选择合适的选项，补全对话。 A．He will be happy to join us. B．Don’t throw away that old cloth. C．Can we make use of old boxes? D．They can keep birds warm. E．What can we do to help the earth? Amy: 1. Lingling: We can live a green life. Amy: 2. Lingling: Yes! We can make bird houses with them. Amy: 3. Lingling: Good idea! It can be a soft (柔软的) bed for birds. Amy: What can the bird houses do? Lingling: 4. Amy: Let’s ask Daming for help. Lingling: 5. 七、Lily正在阅读环保图片小故事，请你判断下列句子与故事内容是(T)否(F)相符。 It is April 22nd. It is World Earth Day. “The Earth is our home. Let us do something to protect the environment,” Ms Jones says. “When I come back home after school, I see so much rubbish in the street. I do not know what I can do about it,” Penny says. “I tell you a story,” Mum says. One day, a man sees lots of dying fish by the river. A boy throws a fish into the river. “You cannot save them all,” the man says. “But I can save one or two,” the boy says. Penny tells the story to her classmates. “We all do something small to make a difference,” she says. “Let us make a wishing tree and write down what we can do. Then we put them on the tree. Penny also makes a poster. We recycle a lot of things, such as plastic bottles, newspapers, and so on. We also put more trash cans by the roadside. Small things make a difference. On Penny’s way home, a girl throws away some news-papers. “Excuse me, you should recycle them.” “I am sorry,” the girl says. “Let us do something to protect the environment,” Penny says. ( ) 1．Ms Jones says the Earth is not our home. ( ) 2．Penny sees so much rubbish in the street after school. ( ) 3．Mum tells Penny a story about fish by the sea. ( ) 4．We can recycle plastic bottles and newspapers. ( ) 5．Penny asks a girl to recycle her newspapers on the way home. 八、Tiantian正在网络上学习更多旧物改造的方法。阅读文本, 完成下列任务。 Boxes * Plant flowers in the small box. * Use the big box to make a home for the pet. Paper * Make paper boats. * Make paper flowers to decorate the home. They can make the home nice. Clothes * Cut the old clothes. And make nice bags or animal toys. Plates * Draw pictures on the old plates. And decorate the home with them. 41．阅读文本，选出文本中提到的改造后的旧物，在括号内画“√”。 ( ) ( ) ( ) ( ) ( ) 42．阅读文本，选择正确的选项。 ( ) (1) We can make a(n) _______ for our pets with the big box. A．bag     B．home     C．animal friend ( ) (2) We can use old _______ to make a nice bag. A．paper     B．plates     C．clothes ( ) (3) 画线单词“decorate”的意思是: _______。 A．装饰     B．打扫     C．保持 ( ) (4) How can we make old things useful again? A．Put them in a box.      B．Reuse(重复使用) them.      C．Cut them. 参考答案 【考点一】 1．B 2．A 3．A 4．C 5．B 6．visit 7．run 8．borrow 9．can’t 10．can’t 【考点二】 1．A 2．A 3．B 4．A 5．A 6．Don’t eat too much meat! 7．Save water. 8．Take off your scarf. 9．Don’t play football on the road. 【考点三】 1．A 2．B 3．A 4．A 5．B 6．should 7．shouldn’t 8．shouldn’t 9．should 10．should 【综合训练】 一、选出与画线单词属于同一类的一项。 1．A 2．A 3．A 4．B 5．C 二、单选题。 1．B 2．B 3．A 4．B 5．B 6．A 7．B 8．A 9．A 10．A 三、用所给单词的适当形式填空。 1．give 2．be 3．make 4．beginning 5．turns 四、根据图片和首字母提示，补全句子。 1．waste 2．newspaper 3．recycle 4．Metal 5．beginning 五、为下列句子选择匹配的图片。 1．B 2．D 3．A 4．E 5．C 六、选择合适的选项，补全对话。 1．E 2．C 3．B 4．D 5．A 七、Lily正在阅读环保图片小故事，请你判断下列句子与故事内容是(T)否(F)相符。 1．F 2．T 3．F 4．T 5．T 八、Tiantian正在网络上学习更多旧物改造的方法。阅读文本, 完成下列任务。 1． 2． B C A B 第 1 页 共 15 页 学科网（北京）股份有限公司 $