There are many different kinds of music in the world. Now let's study some of them.

Classical music Classical music is a form of music which needs high musical skills. If you want to learn this kind of music,you have to go through proper training.

Heavy metal music Heavy metal music came out after World War Ⅱ. The melody (旋律)of the song is heavily influenced by the structure of it. It is also known as “information music”. In heavy metal music,songwriting is based on a form.

Hip-hop music This kind of music always includes the use of instruments such as the guitar,violin,piano,bass (低音电吉他),drums and so on. In this kind of music,the bass is the main instrument. It was first played by a group of traveling singers and poets of West Africa.

Opera music It first appeared in Italy in the 1600s.It has a great mixture of theatrical (喜剧的)art and musical invention and is used in theaters.

Jazz music This kind of music has strong and complex (复杂的)melodies. The main musical instruments are the cornet,trumpet and violin,which help carry the melody.

Besides these,there are many other kinds of music such as the blues,new-age music,Celtic music,religious music,and chamber music (室内乐).

1.________ music needs high musical skills.

A.Classical B.Heavy metal C.Hip-hop D.Opera

2.The main instrument in hip-hop music is the _________________.

A.guitar B.violin C.piano D.bass

3.The ________ is used in both hip-hop music and jazz music.

A.piano B.violin C.trumpet D.cornet

4.Which of the following is NOT true according to the passage?

A.Heavy metal music appeared after World War Ⅱ.

B.Only after proper training can you learn classical music.

C.Opera music first appeared in Italy.

D.People call jazz music “information music”.

5.What's the BEST title for the passage?

A.Different kinds of music B.Our favorite musicians

C.We love music best D.Welcome to the music club

The world got a glimpse(一瞥)of one of the greatest mysteries of our universe(宇宙)on April 10. That's when the first image of a black hole was shown to the public. The picture was created by a network of eight radio telescopes(射电望远镜).

We have seen what we thought was unseeable ,"says Shep Doeleman. He led the effort to create the image.

The black hole is at the center of galaxy(星系)named Messier 87,some 55 million light-years from the earth,and is 6.5 billion times the mass of the sun.

The image shows the gas,dust,and stars that move around the black hole before disappearing into it. It does not truly show the black hole,because not even light can escape its gravity. Black holes, like vacuums, suck(吸)in everything that gets too close.

根据短文内容,选择最佳答案。

1.In paragraph 1,the underlined word “image" probably means___________.

A. truth B. fact C. picture D. information

2.In paragraph 2,the underlined sentence means seeing the black hole___________.

A. was expected before B. was unexpected before

C. is common D. is impossible

3.The black hole lies___________ the Messier 87 galaxy.

A. in the middle of B. in the front of

C. at the back of D. on the top of

4.What will probably happen if a spaceship gets close to the black hole?

A. It will fly around it.

B. It will be covered by the dust.

C. It will be sucked in.

D. It will be discovered.

5.What's the best title(标题)for this passage?

A. The Black Hole and its Gravity B. First Look at the Black Hole

C. The Mystery of the Universe D. Faraway Galaxy

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