Liu Yu said that he was serious ________ being a professional runner and his parents had nothing ________ his running.

A. about; for B. of; against

C. about; against D. of; for

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Almost everyone has dropped some food on the floor and still wanted to eat it. If someone saw you drop it, he or she might have shouted, “ 5-second rule!” This so–called rule says food is OK to eat if you pick it up in five seconds or less. But is that true?

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1. What is the “5-second rule’ mean?

A. People often shout at someone when they drop food on the floor.

B. Food is safe when you pick it up off the floor in less than five seconds.

C. It’s better to eat dropped food when it’s been on the floor for over five seconds.

D. Food will go bad when dropped food on the floor in five seconds or less.

2. Where is Ashton University?

A. In the USA. B. In England.

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A. if the “5-second rule” is true

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D. if different types of floor have different bacteria

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A. the dropped food had more bacteria if it sat on the floor for longer.

B. the dropped food on the carpet had the least bacteria.

C. bacteria was impossible to transfer from laminate or tiled surfaces.

D. the wetter food was likely to pick up bacteria.

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A. how long the food sits on the floor

B. what the dropped food is

C. what the bacteria are

D. what the weather is like that day

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Going Green

Green is no longer just a color. It is a new way of thinking about the world and a way of living your life. It’s catching on all over the world. More and more people decide to “go green” because they know that we only have one planet to live on. We won’t be able to live on it much longer if we keep wasting energy, and destroying(破壞) our home with air, land, and water pollution.

“Green Living” means:

Understanding that your choices affect(影響) not just you, but everybody everywhere. Understanding that your choices affect not just today, but the future.

Understanding that when we talk about “saving the planet” or “saving the environment,” we are actually talking about saving ourselves!

You may be thinking: “Hey, I’m just one person, on a planet with billions. I can’t really make a difference.” Well, have you ever seen a group of people do “the wave(波浪)”? It always starts off with one or two people, jumping up and down like crazy. Soon thousands of people are joining in. “Going green” is just like that. It starts with small, simple actions. It can soon build into a wave that will change the whole planet and lead us all to healthier, happier lives.

Many students have already shared with us their efforts to help the environment:

Gabrielle, 12, writes, “I have helped my community plant a garden and I ride my bike or skateboard to school.”

Kaitlyn, 10, says, “Lots of paper towels are thrown away, so I use a reusable cloth towel to dry my hands instead.”

“I always recycle(重復(fù)利用)” says Natalie, 13. “You can call me a recycler! I always look at the bottom of things. I want to see whether they have the little sign that tells you it can be recycled. So I almost recycle everything!”

Now it’s your turn to think about how you can “go green”. Make important choices and take actions to improve the environment right around you and the health of the whole world.

1.What does the expression “catch on” in Paragraph 1 probably mean?

A．Go worse. B．Come to an end.

C．Get help. D．Become popular.

2.From the passage we can learn that ______.

A．our choices can’t affect the future

B．one person can’t make a difference

C．our planet is destroyed by pollution

D．going green starts with small actions

3.The writer may agree that ______.

A．going green is hard for students

B．going green means changing others

C．going green is actually a choice

D．going green remains far away from us

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