摘要:( ) Who joined the race in the sports meeting? A. 100’s meter B. 100- meters C. 100 meter D. 100-meter

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It was a cold day, but the students from Prosser Middle School in Chicago were sorting through the waste when they found that their school produces 1,500 pounds every day.
Prosser is just one school that throws out nearly 4,000 meal trays every day. Counting all of Chicago’s public schools, the number comes to nearly a quarter of a million a day. That’s more than 1 million a week and about 5 million a month.
“None of the trays are being recycled,” said a teacher. “ Everyone agrees that it’s very bad.”
Luckily, concerns about the environment and health have made some US cities take action. Dozens of schools have begun programs to reduce the use of food trays in school.
These schools have also banned (禁止)some fast food, including McDonald’s. Instead, they offer students recyclable trays. They encourage students to sort out lunchroom waste, then wash and recycle milk cartons and trays . So far, the program has helped schools to save a total of 820,000 trays each week.
Jay Stream Middle School in Illinois teaches its students how to collect trays. The school has cut its lunchroom waste by two thirds now that students recycle their used trays instead of breaking them.
Prosser Middle School also sees the benefits of the program. Students have organized about 20 clubs and volunteer activities to cut down on cafeteria garbage. They now recycle 80 percent of the school waste. “ I joined the club,” said Erika Santana, a 16-year-old junior in Prosser, “because I want to make Earth a better place.”

【小题1】Did Prosser Middle School create much garbage every day before the program ?
【小题2】How many meal trays do public schools in Chicago throw out a day?
【小题3】What does Jay Stream Middle School teach its students to do?
【小题4】Who joined the club?
【小题5】What’s the passage about ?

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It was a cold day, but the students from Prosser Middle School in Chicago were sorting through the waste when they found that their school produces 1,500 pounds every day.
Prosser is just one school that throws out nearly 4,000 meal trays every day. Counting all of Chicago’s public schools, the number comes to nearly a quarter of a million a day. That’s more than 1 million a week and about 5 million a month. 
“None of the trays are being recycled,” said a teacher. “ Everyone agrees that it’s very bad.”
Luckily, concerns about the environment and health have made some US cities take action. Dozens of schools have begun programs to reduce the use of food trays in school.
These schools have also banned (禁止)some fast food, including McDonald’s. Instead, they offer students recyclable trays. They encourage students to sort out lunchroom waste, then wash and recycle milk cartons and trays . So far, the program has helped schools to save a total of 820,000 trays each week.
Jay Stream Middle School in Illinois teaches its students how to collect trays. The school has cut its lunchroom waste by two thirds now that students recycle their used trays instead of breaking them.
Prosser Middle School also sees the benefits of the program. Students have organized about 20 clubs and volunteer activities to cut down on cafeteria garbage. They now recycle 80 percent of the school waste. “ I joined the club,” said Erika Santana, a 16-year-old junior in Prosser, “because I want to make Earth a better place.”
 food tray
【小题1】Did Prosser Middle School create much garbage every day before the program ?
【小题2】How many meal trays do public schools in Chicago throw out a day?
【小题3】. What does Jay Stream Middle School teach its students to do?
【小题4】 Who joined the club?
【小题5】 What’s the passage about ?

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Do you love cheese? If you do, this new survey will make you happy. According to the survey, cheese is good for teeth and can protect people from getting cavities (蛀牙) . The survey is made by a group of scientists from the Academy of General Dentistry, an organization from the USA. The scientists find that eating cheese can make the mouth’s PH rise. And the higher the mouth’s PH is, the less likely it is that a person gets cavities. That’s why cheese is good for tooth health.
In order to do the survey, the scientists invited 68 children between 12-15 years old to join the test. They tested the mouth’s PH of the children at first. Then they divided the children into three groups. One group of children ate some cheese, another group of children ate sugar-free yoghurt and the last group of children drank a glass of milk. After that, the scientists tested the mouth’s PH of all the children for several times.
The scientists found that the mouth’s PH of the last two groups of children didn’t change, but the mouth’s PH of children from the first group rose greatly. Besides, the scientists also found that cheese could create a protective layer (保护层) on teeth. The layer could protect the teeth from getting hurt by many bad things.
Information Card
The thing that is good for teeth
小题1:___________________
The people who did the survey
小题2:___________________
The people who joined the test
小题3:__________________
The thing that the scientists test
小题4:___________________
The thing that the protective layer can do
小题5:___________________
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