内容正文:
Unit 4 Going green 单元知识清单
冀教版三起六年级上册(新教材) | 班级:________ 姓名:________
知识归纳
语音学习
字母组合 ar 在单词中读长音 /ɑː/:
started 开始(start 的过去式) hard 努力地 large 大的;巨大的
park 公园 far 远的 car 小汽车
必记单词
ill 有病;不舒服 may 可能 Miss 女士 share 分享
glass 玻璃;玻璃杯 young 幼小的;年轻的 after 在……后
turn (使)转动;超过(某一年龄或时间)
turn off 关掉 light 灯;点燃
常考短语
live a green life 过绿色生活 go through big changes 经历大变化
grow food 种植粮食 use both sides of the paper 用纸的两面
take a long shower 洗很长时间的澡 turn off the tap 关掉水龙头
turn off the lights 关灯 take a shorter shower 洗短一点的澡
throw...out 把……扔掉 plant trees 种树 give up 放弃
year after year 年复一年 take care of 照顾;照料 more and more 越来越多
必会句型
— The earth is heating up. 地球正在变暖。
— The earth will go through big changes. 地球将经历大变化。
— How can we live a green life? 我们怎样才能过绿色生活?
— We should turn off the lights when we're not using them. 不用灯的时候我们应该把灯关掉。
— The foresters never gave up. 造林人从不放弃。
— The wasteland has become the "Green Great Wall". 荒地变成了“绿色长城”。
— Let's protect it. We can start with small things. 让我们保护地球,从小事做起。
核心语法
1. The earth will go through big changes.:will 表示将来的变化
2. How can we...? / We can...:can 询问和表达做法
3. should / shouldn't:应该与不应该
4. 一般过去时:gave / grew / made / became:叙述塞罕坝故事
5. Reduce, reuse and recycle:3R 绿色生活法则
知识点拨
考点 01 will 表示将来的变化
The earth will go through big changes. 地球将经历大变化。
▸ will + 动词原形 表示将来会发生的事情。否定式 will not(won't),疑问句把 will 提前。
一、基本结构
主语 + will + 动词原形 + 其他。
Some plants and animals will disappear. 一些动植物将会消失。
二、there will be 句型
There will be + 名词,表示“将会有……”。
There will be more tall trees in the park. 公园里将会有更多大树。
三、will 的疑问与回答
Will it be hard for people to grow food? 回答用 Yes, it will. / No, it won't.
— Will it be hot tomorrow? — Yes, it will. ——明天会热吗?——会的。
⚠ 易错提醒:will 后面的动词用原形。“一些动植物将会消失”要说 Some plants and animals will disappear(✓),不能说 Some plants and animals will disappears(✗)。
✎ 大显身手
一、单项选择。
( )1. The earth ______ through big changes in the future.
A. will go B. goes C. went
( )2. Some plants and animals will ______.
A. disappears B. disappear C. disappeared
( )3. — Will it be hard for people to grow food? — No, it ______.
A. will B. isn't C. won't
( )4. There ______ more green forests in the future.
A. will have B. will be C. are
( )5. The temperature of the earth ______ up about six degrees.
A. may go B. mays go C. may goes
二、用所给词的适当形式填空。
1. The sea level ______ (will) rise.(变为将来时)
2. It will ______ (be) warm in winter.
3. We will ______ (live) a green life.
4. Some places ______ (will) be in the water.
5. He will ______ (turn) off the lights.
考点 02 can 询问和表达做法:How can we...?
— How can we live a green life? ——我们怎样才能过绿色生活?
▸ How can we...? 用来询问怎么做某事;回答用 We can + 动词原形。can 后面的动词用原形。
一、基本问答
问句:How can we...? 答句:We can + 动词原形。
We can reuse our shopping bags. 我们可以重复使用购物袋。
二、can 表示能力
can 表示“能够”,说明能做什么。
We can share books with our friends. 我们可以和朋友们分享图书。
三、can 与情态动词 may
may 表示“可能”:The temperature may go up about six degrees. 气温可能升高约六度。
The temperature of the earth may go up. 地球气温可能会升高。
⚠ 易错提醒:can 后面的动词用原形。“我们可以回收瓶子”要说 We can recycle bottles(✓),不能说 We can recycling bottles(✗)。
✎ 大显身手
一、选词填空。(can / may / reuse)
1. We ______ recycle bottles, paper and glass.
2. The temperature ______ go up about three degrees.
3. We can ______ our shopping bags.
4. I ______ walk to school every day.
5. It ______ be hard for people to grow food.
二、单项选择。
( )1. — ______ can we live a green life? — We can start with small things.
A. What B. How C. Where
( )2. We can use both ______ of the paper.
A. side B. sides C. side's
( )3. We can share books ______ our friends.
A. and B. to C. with
( )4. Lots of things can ______ recycled.
A. be B. is C. are
( )5. We can ______ things many times.
A. use B. uses C. using
考点 03 should / shouldn't 提建议
We should turn off the lights when we're not using them. 不用灯的时候我们应该把灯关掉。
▸ should + 动词原形 表示“应该做某事”;shouldn't(should not)表示“不应该做某事”。
一、should 表示应该
主语 + should + 动词原形。
We should live a green life. 我们应该过绿色生活。
二、shouldn't 表示不应该
Don't take a long shower. 也可以说 You shouldn't take a long shower.
You shouldn't waste water. 你不应该浪费水。
三、time/when 引导的时间说明
Turn off the tap when you're brushing your teeth. 刷牙的时候应该关掉水龙头。
Turn off the lights when you're not using them. 不用灯的时候把灯关掉。
⚠ 易错提醒:should 后面的动词用原形。“我们应该种更多的树”要说 We should plant more trees(✓),不能说 We should to plant more trees(✗)。
✎ 大显身手
一、单项选择。
( )1. We ______ live a green life.
A. should B. should to C. shoulding
( )2. You ______ waste water. It's precious.
A. shouldn't B. should C. don't should
( )3. Turn off the tap when you ______ your teeth.
A. brush B. are brushing C. brushed
( )4. We should put waste in the ______ bin.
A. right B. wrong C. bad
( )5. We should remember ______ off the tap.
A. turn B. to turn C. turning
二、根据中文提示完成句子。
1. We ______ ______ the lights when we're not using them.(我们应该关灯。)
2. You ______ take a shorter shower.(你应该洗短一点的澡。)
考点 04 一般过去时:gave / grew / made / became
The foresters never gave up. 造林人从不放弃。
▸ 叙述过去的事情用一般过去时。本单元重点不规则过去式:give→gave(给)、grow→grew(种植;生长)、make→made(做;使)、become→became(变成)。
一、本单元核心过去式
give→gave,grow→grew,make→made,become→became。
369 people came to Saihanba and started to plant trees. 369个人来到塞罕坝,开始种树。
二、过去式句型运用
肯定句:主语 + 动词过去式 + 其他。
The young trees grew into tall trees. 幼苗长成了大树。
三、become 表示变化的结果
become 意为“变成”,过去式 became:The wasteland has become the "Green Great Wall". 荒地变成了“绿色长城”。
The tall trees became green forests. 大树变成了绿色森林。
⚠ 易错提醒:give 的过去式是 gave(✓),不能说 gived(✗);grow 的过去式是 grew(✓),不能说 growed(✗)。
✎ 大显身手
一、写出下列动词的过去式。
1. give ________ 2. grow ________ 3. make ________
4. become ________ 5. come ________
二、用所给词的适当形式填空。
1. In 1962, 369 people ______ (come) to Saihanba.
2. The foresters never ______ (give) up.
3. The young trees ______ (grow) into tall trees.
4. All the foresters ______ (make) it into a "Green Miracle".
5. The tall trees ______ (become) green forests.
考点 05 Reduce, reuse and recycle 3R 法则
Simply remember "Reduce, Reuse and Recycle". 简单记住“减少使用、重复使用、回收利用”。
▸ Reduce 意为“减少使用”,use less of things;Reuse 意为“重复使用”,use things many times;Recycle 意为“回收利用”,make things into something else that we can use again。
一、Reduce 减少使用
Reduce 意为“用更少的东西”:Don't take a long shower. Turn off the tap when you're brushing your teeth.
We can use less of things. 我们可以少用东西。
二、Reuse 重复使用
Reuse 意为“多次使用”:Reuse bags. Reuse bottles. Reuse paper.
We can reuse our shopping bags. 我们可以重复使用购物袋。
三、Recycle 回收利用
Recycle 意为“把东西变成别的东西再使用”:There are many things we can recycle: bottles, paper, glass...
Lots of things can be recycled. 很多东西都可以回收利用。
⚠ 易错提醒:注意三个词的区别:reduce 是“减少”,reuse 是“再次使用”,recycle 是“回收再加工”。不要混淆。
✎ 大显身手
一、根据释义写出单词。(reduce / reuse / recycle)
1. use things many times ________
2. use less of things ________
3. make things into something else that we can use again ________
二、单项选择。
( )1. We can ______ our shopping bags.(重复使用)
A. reuse B. reduce C. recycle
( )2. Don't take a long shower. It's about ______.
A. reducing B. reusing C. recycling
( )3. There are many things we can ______: bottles, paper, glass...
A. reuse B. reduce C. recycle
( )4. We should ______ waste and put it in the right bin.
A. sort B. sorts C. sorting
( )5. Use both sides of the paper. Don't ______ it out.
A. throw B. throws C. threw
参考答案
考点 01
一、1. A 2. B 3. C 4. B 5. A
二、1. will rise 2. be 3. live 4. will 5. turn
考点 02
一、1. can 2. may 3. reuse 4. can 5. may
二、1. B 2. B 3. C 4. A 5. A
考点 03
一、1. A 2. A 3. B 4. A 5. B
二、1. should turn off 2. should
考点 04
一、1. gave 2. grew 3. made 4. became 5. came
二、1. came 2. gave 3. grew 4. made 5. became
考点 05
一、1. reuse 2. reduce 3. recycle
二、1. A 2. A 3. C 4. A 5. A
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