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Why keep them£¿People keep dogs and cats because they enjoy their friendship£®Fish cannot be friendly£¬but they have beautiful shapes and colours£®They are pleasure to watch as they swim in their tanks£¨Ë®²Û£©£®
What do they need£¿
First of all£¬the fish need a suitable£¨ºÏÊʵģ© tank£¬and you must fill the tank with suitable water£®It is also good for them to have a few water plants in the tank to keep the water pure£¨´¿¾»£©£®A few snails £¨ÎÏÅ££©in the tank are good idea£¬too£®They will keep the water clean£®
What about feeding them£¿
There are many kinds of fish food that you can get in pet shops£®Most are suitable for all kinds of fish£®You should feed your fish once a day only£®It is important not to give them too much food£®Just give them as much as they can eat in about 15minutes£®This will keep them healthy£®
51£®It is not good to putCin the fish tank£®
A£®a few snails
B£®a few water plants
C£®only a little water
D£®enough clean water
52£®How often can you feed the fish£¿B
A£®Once a week£®
B£®Once a day£®
C£®Every fifteen minutes£®
D£®As many times as possible£®
53£®Which of the following is NOT true according to the passage£¿C
A£®Some people love to keep fish of beautiful shapes and colors£®
B£®A suitable tank with suitable water is important for fish keeping£®
C£®All the fish food sold in the pet shops are suitable for any kind of fish£®
D£®If it takes the fish 30minutes to eat up the fish food£¬the food is too much£®
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51Ìâ´ð°¸£ºC ϸ½ÚÌ⣬¸ù¾ÝÎÄÖеĵÚÈý¶Îand you must fill the tank with suitable waterÄã±ØÐëÓúÏÊʵÄË®×°ÂúË®²Û¿ÉÖª Ö»ÓÐÒ»µãË®ÊDz»ºÃµÄ£¬¹Ê´ð°¸ÊÇC£®
52Ìâ´ð°¸£ºB ϸ½ÚÌ⣬¸ù¾ÝÎÄÖеĵÚÁù¶ÎYou should feed your fish once a day only¿ÉÖªÄãÓ¦¸ÃÒ»Ììֻιһ´ÎÓ㣬¹Ê´ð°¸ÊÇB£®
53Ìâ´ð°¸£ºC ÅжÏÌ⣬¸ù¾ÝÎÄÖеÄ×îºóÒ»¶ÎThere are many kinds of fish food that you can get in pet shops£®Most are suitable for all kinds of fishÔÚ³èÎïÉ̵êÀïÓÐÐí¶àÖÖÓãÀàʳƷ£¬´ó¶àÊý¶¼Êʺϸ÷ÖÖÓãÀà¿ÉÖª²»ÊÇÈ«²¿¶¼ÊÊÓ¦£¬¹Ê´ð°¸ÊÇC£®
µãÆÀ ±¾ÎÄÊÇһƪÈÕ³£Éú»îÀàÔĶÁ£¬ÌâÄ¿Éæ¼°¶àµÀϸ½ÚÀí½âÌ⣬×öÌâʱ½áºÏÔÎĺÍÌâÄ¿ÓÐÕë¶Ô ÐÔÕÒ³öÏà¹ØÓï¾ä½øÐÐ×Ðϸ·ÖÎö£¬½áºÏÑ¡ÏîÑ¡³öÕýÈ·´ð°¸£®ÍÆÀíÅжÏÒ²ÊÇÒªÔÚץס¹Ø¼ü¾ä×ӵĻù´¡ÉϺÏÀíµÄ·ÖÎö²ÅÄܵóöÕýÈ·µÄ´ð°¸£®
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Sometimes£¬I doubt whether there is any love between my parents£®Every day they are busy trying to make money£®They don't act romantic the way couples do in books and on TV£®They never say£º"I love you£®"It's not their style£®
6£®Facts about hot and cold places on the earth!
The Sahara Desert
The Sahara Desert in North Africa is one of the largest and hottest deserts in the world£®In the summer the temperature during the day often reaches 40?C£®The highest temperature ever was 58?C!It seldom rains in the Sahara£¬but there are storms---sand storms!
The Sahara Desert is a very difficult place for humans to live£®Only a few plants are able to grow in the dry climate£®But there are many oases£®An oasis is a place where plant and trees can grow because there is water£®There are about 90large oases in the Sahara£¬where people have built villages£®Some animals are able to live in the desert£¬too£®They can live for many days without water or food£®
Antarctica £¨·ÇÖÞ£©
Antarctica is a continent £¨ÖÝ£© which is under almost 2kilometers of ice£®The South Pole is in the Antarctica and is the most southern place on earth£®It is always very cold£®In the winter the temperature falls to-80!People have never lived there for long because it is too cold£®There are scientist£¬but they only stay a few months£®
In Antarctica animals and plants can't live easily on the land£¬but the sea is full of creatures£®Many different kinds of penguins £¨Æó¶ì£© and seals £¨º£±ª£© live there all year£®They spend most of their lives swimming in the freezing Antarctica water£®The sea provides lots of food for them because it is full of fish and sea life£®The largest seals in the world lives in Antarctica£®They're called elephant seals£®
The Sahara Desert
The Sahara Desert in North Africa is one of the largest and hottest deserts in the world£®In the summer the temperature during the day often reaches 40?C£®The highest temperature ever was 58?C!It seldom rains in the Sahara£¬but there are storms---sand storms!
The Sahara Desert is a very difficult place for humans to live£®Only a few plants are able to grow in the dry climate£®But there are many oases£®An oasis is a place where plant and trees can grow because there is water£®There are about 90large oases in the Sahara£¬where people have built villages£®Some animals are able to live in the desert£¬too£®They can live for many days without water or food£®
Antarctica £¨·ÇÖÞ£©
Antarctica is a continent £¨ÖÝ£© which is under almost 2kilometers of ice£®The South Pole is in the Antarctica and is the most southern place on earth£®It is always very cold£®In the winter the temperature falls to-80!People have never lived there for long because it is too cold£®There are scientist£¬but they only stay a few months£®
In Antarctica animals and plants can't live easily on the land£¬but the sea is full of creatures£®Many different kinds of penguins £¨Æó¶ì£© and seals £¨º£±ª£© live there all year£®They spend most of their lives swimming in the freezing Antarctica water£®The sea provides lots of food for them because it is full of fish and sea life£®The largest seals in the world lives in Antarctica£®They're called elephant seals£®
| Facts about hot and cold places on the earth! | |
| hot | In the Sahara£¬villages can be built where there are large £¨81£©oases £® |
| The highest temperature in the Sahara was £¨82£©58¡æ£® | |
| cold | Antarctica is £¨83£©under/covered with very thick ice all year round£® |
| The most southern place on earth is called £¨84£©the South Pole £® | |
| In Antarctica there are many £¨85£©sea creatures such as fish£® | |
4£®
As teenagers£¬changing the world does not only mean finding a cure for cancer£¬or finding the origin of humanity£¬but recycling a piece of paper as well£®Going Green is a practical way that teenagers can have a real and meaningful influence in the world£®What follows are three simple ways teenagers can go green and change the world£®
Recycle
According to a Wire & Twine online article£¬63million newspapers go out to street vendors £¨Ì¯··£©£¬local paper boys£¬or newspaper dispensers every day and of those 44million are thrown away£®Recycling the Sunday newspapers alone we could save half a million trees a week£®The age of technology creates new phones£¬iPods£¬or new computers£®Many people will stand in line for hours to get their hands on the new piece of technology£¬but what happens with the old ones£¿Nothing£®According to Earth911£¬about 75% of the old devices £¨É豸£© are thrown in the back of a drawer collecting dust£®
Go vegetarian £¨ËØʳÖ÷Ò壩 one day a week
Here are some amazing facts on going vegetarian for only one day£®According to Noam Mohr£¬a physicist at the New York University£¬the United States would save 100billion gallons of water which is enough to offer all homes in New England for about 4months£®The Environmental Defense concludes with the most interesting fact£ºif the whole population gives up one meal of chicken£¬the amount of carbon dioxide accumulated £¨ÀÛ»ýµÄ£© would be the same amount if more than half a million cars were taken off U£®S£®roads£®So giving up just one day of eating meat is worth the advantages it could bring£®
Don't drink too much bottled water
There is a common idea that bottled water is healthier than regular tap water£®However£¬25% of bottled water comes from regular tap water which goes through a filter £¨¹ýÂË£©£®Bottled water companies do not need to list where they got the water from£¬how they clean the water£¬or what chemicals their plastic water bottles have£®Plastic bottles do not get recycled 90% of the time which results in 1.5million tons of plastic in landfills which are not easy to decompose £¨·Ö½â£©£®In fact£¬after considering that bottled water and tap water have few differences£¬people should use more reusable water bottles£®"
Just keep in mind what Margaret Mead once said£¬"Never doubt that a small group of thoughtful and committed £¨¼á¶¨µÄ£© citizens can change the world£®Indeed£¬it's the only thing that ever has£®"
As teenagers£¬changing the world does not only mean finding a cure for cancer£¬or finding the origin of humanity£¬but recycling a piece of paper as well£®Going Green is a practical way that teenagers can have a real and meaningful influence in the world£®What follows are three simple ways teenagers can go green and change the world£®Recycle
According to a Wire & Twine online article£¬63million newspapers go out to street vendors £¨Ì¯··£©£¬local paper boys£¬or newspaper dispensers every day and of those 44million are thrown away£®Recycling the Sunday newspapers alone we could save half a million trees a week£®The age of technology creates new phones£¬iPods£¬or new computers£®Many people will stand in line for hours to get their hands on the new piece of technology£¬but what happens with the old ones£¿Nothing£®According to Earth911£¬about 75% of the old devices £¨É豸£© are thrown in the back of a drawer collecting dust£®
Go vegetarian £¨ËØʳÖ÷Ò壩 one day a week
Here are some amazing facts on going vegetarian for only one day£®According to Noam Mohr£¬a physicist at the New York University£¬the United States would save 100billion gallons of water which is enough to offer all homes in New England for about 4months£®The Environmental Defense concludes with the most interesting fact£ºif the whole population gives up one meal of chicken£¬the amount of carbon dioxide accumulated £¨ÀÛ»ýµÄ£© would be the same amount if more than half a million cars were taken off U£®S£®roads£®So giving up just one day of eating meat is worth the advantages it could bring£®
Don't drink too much bottled water
There is a common idea that bottled water is healthier than regular tap water£®However£¬25% of bottled water comes from regular tap water which goes through a filter £¨¹ýÂË£©£®Bottled water companies do not need to list where they got the water from£¬how they clean the water£¬or what chemicals their plastic water bottles have£®Plastic bottles do not get recycled 90% of the time which results in 1.5million tons of plastic in landfills which are not easy to decompose £¨·Ö½â£©£®In fact£¬after considering that bottled water and tap water have few differences£¬people should use more reusable water bottles£®"
Just keep in mind what Margaret Mead once said£¬"Never doubt that a small group of thoughtful and committed £¨¼á¶¨µÄ£© citizens can change the world£®Indeed£¬it's the only thing that ever has£®"
| Topic | How teenagers can go green | |
| Definition | Going green is a practical way which teenagers can make a £¨56£©difference to the world£®It is really meaningful£® | |
| £¨57£©Waysto go green | Recycle | •Unluckily£¬only about £¨58£©nineteenmillion newspapers are really in use every day£® •People usually £¨59£©throwmost of the old devices in the back of a drawer£® |
| Go vegetarian | •All homes in New England use about 100billion gallons of water in four £¨60£©months£® •The Environmental Defense concludes that it should be worthy for people to £¨61£©stop eating meat just one day a week£® | |
| Drink £¨62£©lessbottled water | •Most of plastic bottles do not get recycled and it produces millions of tons of plastic which are £¨63£©hardto decompose£® •In fact£¬it's better for people to £¨64£©usemore reusable water bottles£® | |
| Conclusion | Just£¨65£©rememberthe words said by Margaret Mead that thoughtful and committed citizens can change the world£® | |