He goes to a shop in a hurry with his notebook. “Can I help you?” the shop assistant asks him.

  “Yes, I'd like two kilos of carrots, three kilos of potatoes and three kilos of onions.” Bob says.

  “It's eight kilos. Do you need a shopping bag?” the shop assistant says.

Bob writes the answer on his notebook, and says “No, thanks. And I would like four kilos of apples, one kilo of bananas and two kilos of pears, too.”

  “It's seven kilos. But I'm afraid it's too heavy for you to carry”, the shop assistant says in surprises. “ You don't have a shopping bag, how you take them home.”

    Bob writes the answers on his notebook quickly and says “I'm sorry, I don't want to buy them now.” Then he runs home.

阅读短文，选择正确答案。

    Look，this is my family. There are six people in my family. My grandfather and grandmother are old. My grandfather is tall. He can read a book. My grandmother is short. She can sing and dance. Now they are in the park. The park is big. There are ten tall trees in the park. There are seven boys and six girls in it，too. The park is green. Do you like green?

    My name is Li Lin. I live in Nanjing. My new home is on the eighteenth floor. We ride the elevator (电梯) up to our new home. It's much bigger than our old one. My bedroom is big and bright.

    From the window I can see many cars and people down in the streets. They look very small. The cars are like toys. At night we watch the lights go on over the city. The lights look like stars in the sky.

Mr. Tiger is the king (王) of the forest (森林).

    One day, Mr. Frog sees Mr. Tiger. "I'm stronger than you," says Mr. Frog.

    "What? You are stronger than me? Let's have a match. Who can jump over the river?" says Mr. Tiger.

    Mr. Tiger jumps over the river. Mr. Frog bites the tiger's tail. So he jumps over, too.

    "Where is Mr. Frog? Ha, ha, I'm strong!"

    "Don't be so sure!" says Mr. Frog with some fur (咬) in his mouth.

    "What's in your mouth, Mr. Frog?"

    "Well, yesterday I ate a tiger, only left some fur."

    "My God! Help me! "Mr. Tiger runs away.

    Earth Day is on April 22nd. It was startedby an American Nelson. In 1970, about 20 million(百万) Americanscelebrated the first Earth Day. Every day, we take important things from theearth, like trees, water, and oil. Our factories, cars, and garbage(垃圾) make the air, water, and land dirty. If we are not careful, wewill have no trees, no clean water and air, and no food. Earth Day tells us tobe kind to the earth. Use less water, plant more trees... The earth is ours, sowe should help the earth every day, not just on Earth Day!