—Bad luck! It’s too late.

—It doesn’t matter. The concert       for only a few minutes. You can’t miss it.

Have successful people ever felt sad? Do they have any "secrets" to success? The answers to these questions can be found in US president Barack Obama's "back to school" speech. Here is a small part of his speech.

I know that sometimes, after watching TV, you may feel that you can be rich and successful without any hard work--that your ticket to success is through rapping (饶舌音乐) or basketball or being a TV star. But when chances come, you may not succeed.

The truth is, being successful is hard. And you may not succeed at everything the first time you try. That's OK. Some of the most successful people in the world have had the most failures. JK Rowling's first Harry Potter book was rejected(退稿)12 times before it finally came out. Michael Jordan lost hundreds of games and missed thousands of shots during his career (职业生涯). But he once said, "I have failed over and over and over again in my life. And that is why I succeed."

These people succeeded because they understand that you can't let your failures beat you--you have to let them teach you. You have to let them show you what to do differently next time.

No one's born being good at things. You become good at things through hard work. Don’t be afraid to ask questions. Don't be afraid to ask for help when you need it.

And even when you're struggling(挣扎), even when you're discouraged(泄气), and you feel like other people have given up on you--don't ever give up on yourself. Because when you give up on yourself, you give up on your country.

1.Why does Barack Obama talk about JK Rowling and Michael Jordan in the second paragraph?

A. To show that these two famous persons are different.

B. To show that writing and sports are difficult skills.

C. To show that the two persons were treated unfairly.

D. To show that being successful is hard.

2.Barack Obama believes ____________ in his speech.

A. you can be rich and successful without any hard work

B. you may succeed at everything the first time you try

C. you can't let your failures beat you

D. you shouldn't ask other people for help

3.What does the underlined sentence mean?

A. If you're discouraged, you should give up on yourself.

B. You should believe in yourself no matter how difficult it is.

C. When you're struggling, you'll feel like other people have given up on you.

D. If you are not struggling or discouraged, you can give up on yourself.

4.What's the best title of this small part of Mr. Obama's speech?

A. The way to succeed               B. Failures can help you

C. Don't give up on yourself            D. Barack Obama's success

——Do you mind ____ next to you? ——_____.

Comets(彗星) are parts of our solar system. Like the planets, they go around the sun.

But comets are not made of solid rocks like planets. A comet is a ball of dust, stones, and ice. Many people call comets dirty snowballs.

The “snowball” may be only a few miles across. But when the sun heats the “snowball,” much of it is changed to gases. The gases spread out and form the comet’s head, which may be thousands of miles across.

A comet moves fast in its trip around the sun. But when we see it, the comet does not seem to move. That’s because it is so far away. The moon moves fast, but when you look at it, you can’t see any motion(运动). That’s because the moon is far away.

Each year astronomers(天文学家) discover new comets. Some of them are seen only once. They make one trip around the sun and then go away out into space. The sun’s gravity cannot hold them.

Other comets, like Halley, keep returning. They have been captured by the sun. Halley’s earliest visit was probably 3,000 years ago. It may keep returning for another 3,000 years.

But every time a comet goes around the sun, the comet loses part of itself. Gases and dust are pulled out of the comet. That’s why Halley is now dimmer（暗淡的） than it used to be. Next time it visits us, in 2062, it may be even dimmer. Each visit it may get dimmer and dimmer, until it finally disappears.

1.What is this passage mostly about?

2.How does the writer help the reader understand what a comet looks like?

3.What is the most likely reason the writer wrote this passage?

根据句意及所给提示完成单词

1.There are five _______(百万)people in this city.

2.You can’t go ____________(穿过) the street until the lights are green.

3.Mr. LI is drawing a __________ line on the blackboard with a ruler.

4.It’s too noisy here. Let’s find a _________( with little or no sound) place to read the books on the sea.

5.We can take different ___________(ways to go from one place to another) to the park.