He is only 8-year-old boy, but he can play piano well.A.a; the B.a; / C.an; the D.an; / 题目和参考答案——青夏教育精英家教网—

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He is only 8-year-old boy, but he can play piano well.

A.a; the B.a; / C.an; the D.an; /

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Mr. White________ math in this school since 2001.

A.teaches B.was teaching C.has taught D.taught

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A.wash B.washes

C.is washing D.are washing

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A.other some animals B.some other animals

C.some animals D.some other animal

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A.with B.have C.has D.in

My mom isn’t fancy like other moms. They wear fancy clothes and drive fancy cars. My mom wears her gardening clothes when she walks me to school.

When fancy moms laugh, their laughs sound soft and whispery. You can hear my mom’s laugh from down the hall. I show her how to laugh quietly and she practices. But before long she starts laughing even harder than before.

At the talent show, my mom cheers loudly, “Bravo, everyone！Bravo！”instead of clapping politely the way fancy moms do.

For our class hike（徒步旅行）, parents are invited. At breakfast I go over my rules for Mom, “Please don’t whistle. Don’t laugh loudly. No clapping. And stay in line. ”

The other moms show up wearing fancy jackets and sneakers. My mom wears cutoffs, a floppy straw hat, and her old hiking boots.

We hike along, all in a line. Soon Mom starts to whistle her hiking songs, She’ll Be Coming Round the Mountain. I shake my head at her. She stops and whispers, “Oops. Sorry, Jane. ”

We keep hiking. Everything is perfect until…

Our teacher, Ms. Steele, stops and points, “A snake！”All the moms hold their kids hands and back up, except my mom. “Watch out！It might be poisonous（有毒的）！”Ms. Steele says.

The other moms shuttle back some more. However, my mom steps forward and says, “Hmm. Let’s see what kind it is. Nope, It’s not poisonous. ”

I shut my eyes. I know what’s coming next. Mom makes a sudden attack. “Got it！”she says. The other moms scream, not sounding fancy at all.

Kids gather around as Mom examines the snake. “It’s OK to touch, ”she says.

Everyone’s too scared, but I go first. “snakes aren’t slimy, ”I tell them. Right away, others line up. A couple of the fancy moms come up to touch the snake’s tail.

Later, Ms. Steele tells us to draw our favorite part of the hike. After a while, I look around quickly. Everyone’s picture is of Mom and me with the snake.

As we hike back to the bus, I squeeze Mom’s hand. “I’m glad I didn’t tell you my don’t-catch-snakes rule.” She smiles. But soon, she’s whistling her hiking songs again！

I start to make her silent, then stop. Instead, I take a deep breath and sing out too. Everyone joins in, even the fancy moms.

1.The word“fancy”in this passage is close to“ ___________”.

A.fashionable or expensive B.energetic or valuable

C.modern or comfortable D.common or popular

2.Jane tries to make some rules for her mom because .

A.she expects her mom not to catch snakes

B.she is afraid her mom will make her lose face

C.she wants her mom to be different from others

D.she wishes her mom to act more politely than the other moms

3.Jane begins to feel proud of her mom when .

A.she goes first to touch the snake and other kids follow her

B.she joins her mom in singing together with the other moms

C.she tries to stop her mom whistling but later she gives up

D.she finds everyone drawing about her mom and her with the snake

4.Which can be the best title for the passage？

A.My Mom Isn’t Fancy B.Our Hike Isn’t Perfect

C.An Unpleasant Talent Show D.An Unforgettable Experience

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—Because it is kind of smart.

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Tom will come here_________ about 9:00.

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How Soccer Can Help Us Understand Physics

Sports provide a great way to understand some concepts(概念) in physics. Physics, after all is the study of matter, motion(运动), force, and energy. And since sports like soccer, swimming and cycling involve bodies moving through space, they can help us understand how the principles of physics work.

Imagine that you're looking at a soccer hall on a grassy field. If you do nothing to the hall, it will stay motionless on the grass. If you kick the ball, it will roll along the grass before coming to rest again. Pretty simple , right?

For thousands of years, though, people thought that objects like this soccer ball come to rest because they have a natural tendency to stop. It took a famous physicist by the name of Sir Isaac Newton, who lived in the 1600s, to prove that this was not exactly correct.

Newton suggested that objects like the soccer ball have a natural tendency to keep moving. The only reason they stop, he believed is because an unbalanced force acts on them. By an unbalanced force, Newton meant the force applied to the soccer ball by its environment. When kicked the surface of the ball travels over the grass, creating friction(摩擦力).The taller the grass, and the rougher the surface of the ball, the more friction is created. And the more friction that exists between the ball and the grass, the less it will travel after being kicked.

Now, imagine that there is no grass. Instead. the ball is resting on a frozen lake. When you kick the ball on the ice, the ball will go much farther than it would have on the grass. This is because ice provides a lot less friction than the grass.

Even so, ice does cause some friction. The ball's interaction with the frozen water crystals on the surface of the lake eventually causes it to come to rest again. But now imagine that instead of ice, the ball is in a place where there's no friction at all. The ball is floating in a vacuum. If you remove friction entirely, kicking the soccer ball would cause it to keep going and going at the same speed, until some force caused it to slow down and stop. To paraphrase Sir Isaac Newton, a soccer ball on the grass will stay where it is unless acted on by a force. Similarly, once you kick the ball, it will remain in motion unless acted on by force. This, in so many words, is known as Newton's First Law of Motion.

1.According to the passage, once an object like a soccer ball is in motion, it has a natural tendency to .

A.stop B.slow down C.keep moving D.change direction

2.What does the writer explain in the passage?

A.The idea of motion, using sports as examples.

B.The force of friction, using music as examples.

C.The sport of soccer, using examples of teams and players.

D.The importance of understanding the concepts in physics.

3.What does the underlined word" tendency" mean?

A.A very small chance of something happening.

B.A fifty-fifty chance of something happening.

C.The way something normally behaves or acts.

D.The fear of doing something or acting in a certain way.

4.The passage is mainly about .

A.the motion of objects B.the life of Sir Isaac Newton

C.why we have to learn physics D.why we kick the ball on a grassy land

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