Listen and repeat, and then replace the parts in bold and practice with your partner.
翻译：听录音跟读，替换粗体部分并和搭档练习。
Kangkang, what do you know about the Nile River?
翻译：康康，关于尼罗河，你知道些什么？
It runs through eastern Africa.
翻译：它流经东非。
How long is it?
翻译：这条河多长？
It’s 6,671 kilometers long.
翻译：有6671 千米长。
Listen to the conversation and complete the table.
翻译：听对话，补全表格。
Listen to the conversation and answer the question.
翻译：听对话，回答问题。
Listen and read, and then complete the summary.
翻译：听录音，朗读课文，然后完成总结。
Mom, where does water come from?
翻译：妈妈，水从哪里来呢？
There is water everywhere.
翻译：到处都有水。
It’s under the ground, in the ocean and in the sky.
翻译：地下有，海里有，天空中也有。
But I can’t see any water in the sky.
翻译：但是我看不见天上的水。
It’s in the air.
翻译：它在空气里。
On sunny days, water goes up into the sky and forms clouds.
翻译：天气晴朗的时候，水上升到天空中，形成了云。
As we all know, water is very important to us.
翻译：众所周知，水对我们非常重要。
Yes. We need to drink water every day.
翻译：是的。我们每天都需要喝水。
We also need to use a lot of water in our life.
翻译：我们在生活中也需要用很多水。
It’s lucky that we have a lot of water on the earth.
翻译：很幸运的是，在地球上有大量的水。
Yes. Just because of this, we call the earth a blue planet.
翻译：是的。正因如此，我们才称地球为蓝色星球。
But we can only use about 1% of the water on the earth.
翻译：但地球上可利用的水资源大约只有总量的1%。
The rest is all sea water or ice.
翻译：其余的都是海水或冰。
That is very little water.
翻译：（可用的）水还真是少。
Let’s save every drop of water.
翻译：让我们节约每一滴水吧。
Listen to the chant.
翻译：听歌谣。
Pay attention to the pronunciation of the colored letters.
翻译：注意彩色字母的发音。
Some children walk down from the bridge.
翻译：一些孩子从桥上走下来。
At the river they start to watch.
翻译：在河边，他们开始观察。
They always want to catch a fish.
翻译：他们总是想抓住一条鱼。
So they sit down and make a wish.
翻译：于是他们坐下来许个愿。
Right then, they see one large enough.
翻译：那时，他们看到了一只足够大的。
Guess what! They catch it and laugh!
翻译：你猜怎么着！他们抓住了它，笑了！
Listen and read the sounds and words aloud.
翻译：听录音， 大声朗读下列音标和单词。
Listen and circle the word with a different sound in each group.
翻译：听录音，圈出各组单词中发音不同的单词。
1. /ɔ:/ alone talk also
翻译：孤独的 说话 也
2. /ɑ:/ part around large
翻译：部分 大约 大的
3. /tʃ/ chair school teach
翻译：椅子 学校 教学
4. /dʒ/ bridge orange guess
翻译：桥梁 橘子 猜测
5. /g/ gun guest age
翻译：手枪 客人 年龄
6. /f/ high laugh tough
翻译：高的 大笑 艰难
Read the sentences aloud and mark the last word with a rising tone or a falling tone , and then listen and check.
翻译：大声朗读句子，在句尾标出升调或降调，最后听录音核对。
1. Look at this river on the map.
翻译：看地图上的这条河流。
2. Are there any people in the desert?
翻译：沙漠中有人吗？
3. Turn off the tap when you brush your teeth.
翻译：刷牙时关上水龙头。
4. What about making a poster about saving water?
翻译：制作一个有关节约用水的海报怎么样？
5. Water comes from rivers, lakes and oceans.
翻译：水来自河流、湖泊和海洋。
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