We can’t stop an earthquake(地震), but we can do things to make sure they don’t destroy(毁坏) whole cities. First, it is not a 1 .________ idea to build houses along lines where 2. ________ of the earth’s plates(板块) join together. Second, if you think there 3. ________ be an earthquake, it is better to build houses on rocks , not on 4. ________. Third, you must make the houses as 5. ________ as possible. Weak buildings will fall down in an earthquake, but strong ones may 6. ________ . .
Scientists are 7. ________ that one day an even bigger earthquake will hit the part around San Francisco(旧金山) . They call it “ The Big One ”. However, people today are still building more 8. ________ . The population in and around San Francisco is 9. ________ ten times more than it was in 1906. This means that 10. ________ there is another earthquake, a great many houses and buildings will be destroyed.
took them to a big shop in London. They were 2 ________ there.
One day Mr. Brown went to London by train. He 3 ________ to take an umbrella with him that day. Sitting in front of him was a man with an umbrella standing 4 _______ the seat. When the train arrived in London, Mr. Brown 5 ________ up the umbrella as he often did during his journey by train. Just as he was getting off, he was 6 ________ by the man. He said angrily, “That’s 7________ !” Mr. Brown’ s face turned red and he gave it back to the man at once.
When Mr Brown got to the big shop, the shopkeeper had
got his six umbrellas ready. After a good look at 8 ________ of them, he said, “You’ve mended them very well.”
In the afternoon he got into the train again. The 9 ________ man was in the same seat. He looked at Mr Brown
The farmer 1. ________ out to him, “ What are you growing , Grandpa? ”
The old man 2 . ________ for a moment, then said, “Swim over 3. ________ I’ll tell
The farmer didn’t like the 4. ________ of swimming across the river. But he wanted to know 5. ________ the old man was doing. He swam over. The old man said very 6. ________ in his ear, “ I’m planting peas in my 7. ________ .”
“ You should have shouted. I would have 8. ________ quite clearly on that side.” Said the farmer.
“ Oh, no, I wouldn’t 9. ________ that . The sparrows would have heard me and 10. ________ my peas.” to snow heavily. Mrs Andrews looked 2. ________it everywhere and shouted its name, but she did not find it, 3. ________ she telephone the police and said, “ I have
4. ________ a small black cat. Has 5. ________ found one? ”
“ No，madam, ” said the policeman at the other end, “ But
cats are really very 6. ________ animals. They sometimes live for days in the snow, and when it melts (融化) or somebody finds them, they are quite 7. ________ .” Mrs Andrews felt 8. ________ when she heard this. “ And ,” she said, “ Our cat is very 9. ________. She almost talks. ”
The policeman was getting tired, “Well then, ” he said “ Why don’t you put your
An Egyptian(埃及人) put his ear to the ground. He 1 . ________ the horses coming this way. He ran to 2. ________ his people . He was a 3. ________ . That was one way for Egyptians to send messages.
People in 4.________ countries sent message, too. When enemies came, one man beat his drum. In the next village people heard the drum and beat their drums, too. The messages went from village to village by 5.________ .
Much 6. ________ , some armies (军队) kept many pigeons(鸽子) . These pigeons always 7. ________ back. When a soldier was sent far away from his own 8. ________ , he might take a pigeon along. He could tie a message to the bird’s leg. It would fly back 9. ________ the soldier’s message.
These are shown ways to send messages. Can you think of more 10. ________?
( 6 )
Light one second, light travels about 300,000 kilometers, but sound travels only 340 meters. You can get some idea of this difference by 3. ________ the start of a running match. If you stand far away from the starter(发令员), you can see smoke
4.________ from his gun 5.________ the sound reaches your ears.
The fast speed of light produces some strange facts. The nearest star is 6. ________ far away that light which you can see from it tonight started to travel to you four years 7. ________ at a speed of nearly two million kilometers every minute. The light from some of tonight’s started on 8. ________ journey towards you even before you were born. So, if we want to be honest(诚实), we 9. ________ say , “ The stars are shining brightly tonight.” We have to say, “ The stars look nice. They were 10. ________ four years ago but their light has just reached our earth. ”
1________ 2________ 3________ 4_________ 5_________ 6_________ 7_________8 _________ 9_________ 10__________ ( 7 )
“I like football, Doctor.” He said, “ Please help me. My life has 2. ________ been a good one since I became 3. ________ in football and it is getting worse and worse. I can’t even 4.________ from it in my sleep. When I close my 5.________, I’m out there in the football field and 6. ________ after a flying ball. When I wake up, I’m more
7. ________than I was before I went to bed. What am I going to do? ”
The doctor sat back and said, “ First of all, you 8. ________ to do your best not to dream(做梦) about football. Before you fall asleep, try to 9. ________about something else. Try to think that you are at a party and someone is going to give you several million dollars.”
“ Are you crazy (疯了) ?” the man shouted, “ I’ll 10. ________ the ball !”
1________ 2__________ 3__________4_________ 5_________ 6 _______ 7 ________8 ________ 9________ 10_________
( 8 )
You 1._______ stones. We can see hills, too. There is a little rain in the 2.________, but it is not 3. ______ for most plants. The animals are 4. _______ to the desert people in many ways. The desert people eat the meat and drink the milk of the animals. They use their skins to 5. ________ shoes, water bags and even tents(帐篷). They use the camels(骆驼) for 6. _______ things.
The people of the desert have to keep 7. _______ from places to place. They must always look for grass or desert plants for their animals. They usually live in the tents. When there is mo more food for their animals, they take down their tents, put them on the camels and move to 8. _______ place. The desert people are very 9. _______. No man in the desert would ever refuse to help the people in 10._______ and give them food and water.
1_________2________ 3__________ 4__________ 5_________ 6__________ 7________ 8________ 9________10_______ ( 9 )
busy studying them. All around us are birds, animals, trees and flowers. The facts about 2.________ they live and grow are as interesting as anything could be.
Do you know that one of the great presidents of the United States 3 ________ hours and hours studying birds? A businessman who lives near New York City became so interested in insects(昆虫) that he began to collect them. He now has more than one thousand different kinds 4. ________ kept in the glass boxes.
Come then with me, and I will help you find some of Nature’s secrets. Let us go quietly through the woods and fields. Here we shall find how a rabbit tells the other rabbits that there is danger. We shall follow a mother bear and her young ones as they search for food and get ready for 5. ________ sleep. We shall watch bees 6. ________ in the air to let other bees know where they can find food. I will 7.________ you many other interesting things, but the 8. ________ thing that I can teach you is to keep your eyes and ears 9.________ when you go out of doors. Nature tells her secrets
10.________ to people who look and listen carefully.
1________ 2________3______ 4_________ 5________ 6_________ 7__________ 8_________ 9_________ 10__________