King Hiero asked a crown-maker to make him a gold crown, 1when the king got the crown, he asked himself, “Is the crown made completely 2 gold?”
Then the king 3 the crown to Archimedes, the 4 scientist in the kingdom. Archimedes thought about the problem 5 a slave poured some water into a bath for him. Archimedes got in the bath and some water came out of it, 6 the floor.
“That's it!” shouted Archimedes. “Some of the water will move out when we put an object in water. The object displaces the water. A big object will displace a lot of water. A small object will displace only a little water.” Archimedes was very 7 .
Archimedes went to the palace to 8 the crown . It weighed only one kilogram. He put the crown in a pot of water. Five centimeters of water came out. Then he put one kilogram of gold in another pot of water. Three centimeters of water came out. Archimedes said to King Hiero, “Silver made the crown bigger. The crown displaced 9 water so it was not made completely of gold. It was made of both gold and silver.”
King Hiero became very 10 when he heard this, and then he sent the crown-maker to prison.
a. And I don't know which to do first.
b. What problems do most children have?
c. What's your job?
d. Can you give me some advice?
e. Can you tell me something about your job?
f. You're welcome.
A: Mr Smith, you often help children.
B: Yes, of course. Children often write to me and ask me how to solve their problems.
A:
B: Many can't decide when to study and when to play. I think they should learn to keep a balance between study and play.
A: I agree. Sometimes I have too much homework.
B: You must feel stressed out, right?
A: Yes.
B: Sure. As a student, you'd better do your homework first. And then you can go to play to get yourself relaxed.
A: I see. Thank you for your advice.
B:
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或者使用括号中词语的正确形式填空。
I have a friend. name is Happy Day, but everyone calls him Happy. Happy (travel) widely. When he comes to a new place, he opens a pet shop and starts (sell) African Ghost Fish. Happy often tells the story: “These are the only invisible(看不见的) fish in the world, and they need no food. Once a year, the female Ghost Fish lays eggs. Then, while everything is quiet, she becomes visible. addition, she's(beautiful) creature in the world.” After Happy tells his customers this story, his fish tanks(鱼缸) sell very (quick). They become much (popular) than before. When Happy sells out of fish tanks, he usually leaves and starts selling fish tanks in town. He has rarely received a complaint(投诉) since he began the business. In fact, many people take pleasure in (look) at their invisible fish with their friends. Sometimes, people are too dependent on something new because their curiosity(好奇心).
