Waste sorting（垃圾分类） is a big matter worldwide． In order to sort the rubbish properly and protect the environment， people in different countries are using different methods to sort their waste．
UK A UK company invented a "smart bin" to help with waste sorting． People just need to drop their waste into the bin（垃圾箱）． A camera and sensors（感应器） in the bin can tell what type of rubbish it is and correctly sort it． The bin also compresses（压缩） the waste so it takes up less space．
South Korea South Korea is using a method called "Pay For Your Waste" to encourage its people to reduce food waste． When throwing away rubbish， people have to separate their food waste from their other rubbish and put it in a bin． The smart bin then weighs the food． People have to pay for their food waste by scanning（扫描） a barcode（条形码） on the bin． If they throw away more rubbish， they will pay more．
Japan Japan is leading the world in waste sorting． They sort waste so carefully that even plastic bottles and their caps go into different bins． Different types of paper products have their own bins．
China China is improving its waste sorting efforts． Shanghai has worked with Alipay to create a "green account（账户）"service for its residents（居民）． The city is asking all of its residents to sort their waste into four groups： wet， recyclable， harmful and dry．
| Title（题目）：（1） |
|
| Countries |
Methods |
| UK |
"A smart bin" （2） by a UK company to help with waste sorting． The bin can also compress the waste so it will take up less space． |
| South Korea |
When people throw away food rubbish， they have to pay for it by scanning a barcode on the bin． The more waste they throw away，（3） they will pay． |
| （4） |
They sort waste so carefully that they even put plastic bottles and their caps into different bins． |
| China |
China is making an effort to improve waste sorting． The government of Shanghai is asking all of its residents to sort their waste into four groups：（5） ． |
Teeth are important part of our body． Everyone should brush his or her teeth every day． Learning how to take care of teeth is very important．
The importance of brushing teeth
If you eat and do not brush your teeth， pieces of food that stick to your teeth can cause problems． The food can damage （破坏）your teeth． Then germs （细菌）can get into your teeth and make them decay （腐烂）．
It is important to brush teeth every day． You should get a checkup from your dentist every year． Trying not to eat food that has a lot of sugar， such as candy and soft drinks， helps to protect teeth．
The proper ways of brushing teeth
Do you know that most people do not brush their teeth in the right way？ Follow the methods below and they will help you keep your teeth healthy， clean and beautiful．
♦Replace your toothbrush every few months．
♦Clean two or three teeth at a time． Brush the front of your teeth with a circular motion （运动）and clean the backs of your teeth with up and down motions．
♦Use a gentle back and forth motion to clean the tops of your teeth where you bite （咬）into food．
♦Don't forget to gently brush the top of your tongue （舌头）from back to front．A lot of germs live there．
♦Take at least 2 minutes to brush your teeth．
| The title： Taking proper care of your teeth |
|
| （1） brushing teeth |
The germs can get into your teeth and damage them （2） you brush your teeth． |
| Go to see a dentist every year and avoid eating too much food （3） ． |
|
| The proper ways of brushing teeth |
Replace your toothbrush（4） ． |
| Brush the front of your teeth with a circular motion and clean the backs of your teeth up and down． |
|
| Remember to brush the top of your tongue because of （5） there． |
|
| Spend at least two minutes brushing your teeth． |
|
Prepare for Water Day Zero
Last year，Cape Town said it was facing Water Day Zero．That was the date when the city's taps would go dry．It was first expected to arrive in April，2018． Thanks to hard efforts and a rainy season，it has been put off（推迟）．（1） ．And it may hit cities all over the world．
How did Cape Town get into a Water Day Zero situation？The city gets its water from six reservoirs（水库）．They usually fill up during the rainy season，from May through August．However，since 2015，the city had been suffering from its worst drought（旱灾）in a century．（2） ．Even worse，Cape Town's population grew greatly．As a result，the need for water rose．
（3） Because of climate change，serious droughts are becoming more and more common．At the same time，people are moving to cities．The United Nations says by 2050，two thirds of the world's population will live in cities．Since 2014，southeastern Brazil has been suffering from its worst water shortage in 80 years．In Mexico City，many of the 21 million people only have running water for half of the day．
Luckily，steps can be taken to avoid water crises（危机）．To start with，all of us can do something to save water and slow down climate change．（4） At the same time，water pollution must be stopped．
The world now has a chance to stop a series of Water Day Zero crises． If we don't act，many cities may soon face a time when there isn't a drop to drink．
| A．Cape Town is not alone． B．The serious situation seems to be improved． C．Water levels in the reservoirs became very low． D．Cities can build more water﹣recycling factories． E．However，the problem is very likely to appear again． F．More and more countries are paying attention to the problem． |
Our earth is in trouble． Our drinking water is becoming dirtier and the air is not as clean as before． People and factories are polluting the air， rivers， lakes and seas． You may think there is nothing you can do to help． That's not true． （1）
Cars burn oil．（2） Some people believe that too much CO2 is making the earth warmer than ever．（3） This can save some oil and produce less CO2．
（4） So turn off the air conditioner（空调） when you don't need to use it． Use lights that save energy． Use fewer things that cannot be used again． When you buy something． consider those made from things that can be used again first．
A lot of water is needed for a shower． So take shorter showers．（5）
Every small action can make a big difference to our earth． Let's take action to protect it
A． This can cut the use of water．
B． Air pollution is very serious．
C． This will make a lot of CO2 into the air．
D． So try to walk， ride a bike or take a bus．
E． Nobody can play a role in protecting the earth．
F． There are many things you can do to save the earth．
G． The biggest energy use a home is for keeping warm or cool．
How to Exercise Well
Warm up．It is important to warm up before you excercise．You need to stretch your legs，ams， back and neck before you do any difficult activities like running．
Find good places to exercise．You do not need to spend a lot of money exercising．You can run or play sports in a park or in your school gym．You don't need to buy exercise equipment for your home．Just get your body moving!
Don't work too hard．Choose a sport that you are interested in and then your exercise wlll be fun instead of work．Also， you only need to exercise a few times each week．If you exercise for 30 minutes each time， you will stay healthy．
Drink enough water． It is important to drink water when you exercise．Your body needs the water for energy and for keeping cool．
Be careful! If you hurt yourself while you are exercising， rest until you feel better． Exercising when you are hurt is bad for your heath．
根据以上短文内容，完成下列表格．每空一词．
| Warm up． |
You need to（1） your legs，arms，back and neck before you do any dificult activiies like running． |
| Find good places to exercise． |
You can run or play（2） in a park or in your school gym． |
| Don't work too hard． |
Choose a sport that you （3） and then your exercise will be fun instead of work． |
| Drink enough water． |
Your（4） needs the water for energy and for keeping cool． |
| Be careful! |
If you hurt yourself（5） exercising， rest until you feel better． |
Once there were many thousands of Gourma Desert （沙漠） elephants in Mali， a country in West Africa． Now． there are fewer than four hundred．
Why did the number of the elephants drop so quickly？ On the one hand， the elephants' main lake． their only water source （来源） dried up． On the other hand，the land which the elephants lived on was overused by humans．
To protect the elephants' living environment， the Mali Elephant Project （MEP） was started in 07． MEP met with local people and helped them make rules of using land and water． As a result， the situation became better and there was more food， forest and grassland．
However． from 2012 to 2016， poaching （偷猎） and illegaltrade in the elephants increased rapidly Eighty﹣three elephants were lost in 2015 alone， and another fifty﹣one elephants were killed in 2016．"If this situation goes on， all the Gourma elephants will be killed by 2020．" said a member of MEP．
Luckily． the voice of MEP was heard． More organizations （组织） have joined together to educate the local people that trading elephants is against the law．Elephant poaching has dropped to a very low level． The local people have learned to live peacefully with the elephants，one of the wildlife treasures in the world．
（1）MEP was started to ．
| A． |
raise more elephants in Mali |
| B． |
stop the main lake from drying up |
| C． |
discover water source for elephants |
| D． |
protect the elephants' living environment |
（2）What does the word " illegal" in Paragraph 4 mean in Chinese？
| A． |
公平的 |
| B． |
亏损的 |
| C． |
非法的 |
| D． |
合理的 |
（3）Eighty﹣three elephants were lost ．
| A． |
in 2012 |
| B． |
in2015 |
| C． |
in 2016． |
| D． |
in 2020 |
（4）We can learn from the last paragraph that ．
| A． |
the number of organizations has dropped |
| B． |
there is much less elephant poaching now |
| C． |
the local people keep the elephants at home |
| D． |
the whole world live peacefully with elephants |
（5）This passage is mainly about ．
| A． |
the rules of using land and water |
| B． |
the education of the local people |
| C． |
the work of Mali Elephant Project |
| D． |
the situation of Gourma Desert elephants |
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