With their new lock, you __________ search for keys in your bag any more. Isn’t it cool?

A. needn’t B. can’t C. mustn’t D. shouldn’t

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I can't find my keys.Maybe I them at home this morning.

A. left B. forgot C. lost D. missed

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He knows a lot, ________ he is just a child.

A.however B.though C.and D.because

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We can see clearly that Mongolia________ (位于) between China and Russia on the map.

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Twinkle, Twinkle Little Star is a lovely song for children, but it has two misunderstandings (誤解). First, stars aren’t little. Some may be Earth-sized, but most are bigger than Jupiter, the largest planet in the solar system (太陽(yáng)系). Second, they don’t twinkle; they shine. And the brightness and color of the light from each star provide information about its temperature, size and even its age. viewing the stars from Earth is a bit like looking at them through a water filter (過(guò)濾器) because the air is thick compared to the emptiness of space. What is more, air is always moving, so starlight appears to be moving, too. The air also makes stars appear dimmer (暗淡的) than they would be if we could see them from space.

If you stop and look at the sky carefully on a dark and moonless night, it’s easy to find color differences among stars. The color of a star is a signal of its surface temperature. The hottest stars are blue, and the next hottest are white. Yellow stars like the sun are next, while red stars are the coolest of the visible (可見(jiàn)的) stars. Many red stars are so dim that people can’t see them at all, and some stars hardly send out any light at all. One reason that stars different in brightness is that hotter stars produce more energy than cooler ones, but another important reason is that some are much bigger than others.

Some stars appear brighter to humans simply because they’re closer. Astronomers rank (排列) the brightness of stars which are seen from Earth by giving them a name known as magnitude (光度) ---the smaller the magnitude, the brighter the object. They have also designed a number that ranks stars according to how bright they are when compared to each other. With a magnitude of minus 26.7, the sun is the brightest object in the sky.

1.From the song quite familiar to children, the writer wants to prove that .

A.most stars are smaller than Jupiter

B.Jupiter is bigger and brighter than Earth

C.stars are very large and always shine brightly

D.starlight’s brightness and color are the signs of its temperature

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B.how bright a star is compared to other stars

C.how far a star is from other stars

D.how bright a star is seen from Earth

3.Which is the best title of this passage?

A.What do stars look like?

B.Which song do children like best?

C.How to view the stars from Earth?

D.Why are many stars so dim at night?

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—What do you think of yesterday’s activity in your community?

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One day Madison's teacher found her sitting alone at lunch, looking sad and upset. She could hardly eat the butter sandwich that she usually couldn't wait to eat. "What's the matter, Madison?" the teacher asked. Later that afternoon, Trey was standing alone by the basketball court after school. Trey's mom asked him why he didn't go to play with Zack and Steve, who were shooting hoops. He told his mom that he just didn't feel like it, so they walked home.

But the truth was that Trey and Madison were facing the same problem: They both felt left out, and their feelings were hurt, they felt lonely.

Madison was so sad that he didn't want to eat, and Trey was so mad that when he got home he slammed his bedroom door. The kids who had been their friends before weren't their friends all that time.

What can you do if you're feeling lonely? Let's read some kids' advice on how to deal with loneliness.

"Take something to school and if someone asks to play with you, say yes. They might ask you to play with them next time." (Caleb)

"Listen to music or learn to play an instrument." (Rizwan)

"Help mom or Dad to do jobs. You'll have someone to talk to and you'll learn how to do things when you grow up" (Natalia)

"Talk about it with other people who do the same things, and then you can be friends" (Sean)

1.How did Madison look at lunchtime?

_____________________

2.What was Trey doing while his friends were playing basketball?

_____________________

3.What was the problem that both Madison and Trey were facing?

_____________________

4.By whom are the pieces of advice given?

_____________________

5.What does Natalia advise kids to do to deal with loneliness?

_____________________

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—What's your hobby?

—I ________ listen to music, but now I enjoy dancing.

A.am used to B.used to C.am used D.use to

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I can't stand the fried choutoufu because it ________ terrible.

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