How much do you know about Albert Einstein?

    Albert Einstein, born on March 14, 1879 in Germany, was a great scientist in the world. ①He was strange because he hated haircuts and new clothes. He believed in peace. All his life, he hated war. However, his most famous idea, E = mc², helped create the world's most dangerous weapon (武器). Many people think he was the smartest person in the world. But Einstein said that he thought like a child with many questions and unusual ideas.

    What did he like?

    Einstein liked learning sailing (帆船运动). He sailed in small boats all his life. He once joked, “Sailing is the sport that takes the least energy!” When Einstein was a child, his mother made him take violin lessons. At first, he didn't like the violin. But then he learned to love music and became a good violinist.

    Later, he said, “②热爱是最好的老师。”

    Why is the sky blue?

    In 1910, Einstein asked a question which many children often ask, “Why is the sky blue?” After his careful research, he answered the question like this: “It's because light is made up of many colors including blue. When light travels to Earth, gas particles (气体微粒) spread the blue light all over the sky.” His answer is true in physics.

配对阅读：左栏是五个建议，右栏是7个人在人际关系中遇到的问题。请根据给出的每条建议找出适合该建议的人。

    Do you wear large T-shirts and baggy jeans? Or do you like rap? If your answers are “yes”, I think you like Hip-Hop. Hip-Hop is very hot now.

    Hip-Hop music started in the middle of the 1970s in New York. It is a kind of popular dance music with a regular beat (规律的节奏) and spoken words. The music, break-dancing and graffiti(涂鸦) make up Western Hip-Hop culture. Most of the Hip-Hop songs are about love, jobs or even games.

    Usually in rap, singers speak words very quickly to a certain beat. Most of the words are fun. Singers play off words to make fun of themselves or others. Hip-Hop music has few rules. Singers just do what they think and rap it out in a clever or creative way. That's why a lot of kids fall in love with the music. Many of them like wearing large T-shirts and baggy jeans. Today Hip-Hop is more and more popular across most of the world.

    You may think there is only sand in the desert of the world, but it is not true. In the desert, as we know, there is a little rain, but it is not enough for most plants. We can still see some plants live in the desert. There is water in some places in the desert. We call these places oases(绿洲).In the oases, there are villages and towns. People grow all kinds of crops in the fields there.

    People also live outside the oases. They have camels, sheep and other animals. These animals depend on the desert plants for their food and do not need much water.

    The animals are useful to the desert people in many ways. They eat the meat and drink the milk of the animals. They use the camels for carrying water, food, tents and something else.

    The people of the desert have to keep moving from place to place. They must always look for grass or desert plants for their animals. When there is no more food for their animals, they move to another place. The desert people are friendly. No man in the desert would ever refuse to help the people in trouble and give them food and water.

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    Last week I had a pretty good vacation with my family. We had great fun playing in different places. On Monday, the weather was sunny and hot. We went to White Beach and ⑴        (swim)in the water. On Tuesday, it was cloudy and humid(潮湿的).We visited two museums in Central Park. ⑵We saw many old things. On Wednesday and Thursday, it was rainy and windy. We walked in the city. ⑶We bought some interesting things and ate some delicious food. On Friday, the weather was cool. We went hiking in the mountains. ⑸我们很累但是感到很高兴。 I really enjoyed my vacation.