一well , soft, second ,better , may , strongly, afraid, sand , stay up, if, now, house 1、 We cant stop an earthquake(地震), but we can do things to make sure they dont destroy(毁坏) whole cities. First, it is not a 1 ._ idea to build houses along lines where 2. _ of the earths 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.1、1.good 2.two 3. may 4.sand 5.strong 6. stay up 7. afraid 8.houses 9.now 10.if 二forget, bring，mend，beside，luck，pick，same，differently, I ，every , stop，each 2、 Mr. Brown had an umbrella shop in a small town. People sometimes 1 _ him broken umbrellas, and then he 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, “Thats 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, “Youve 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 and his six umbrellas, “Youve had a 10 _ day,” he said.2、1.brought 2.mended 3. forgot 4. beside 5.picked 6. stopped 7. mine 8.each 9. same 10. lucky 三 before, discover , fast, in, come, watch , so, fast it, ago , shine, not can 3、Light travels at a speed(速度) which is about a million times 1 . _ than that of sound. 2. _ 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 tonights 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. ” 3、1.faster 2.In 3. watching 4. come 5. before 6. so 7. ago 8. its 9. cannot 10. shining四other, move, enough, find ,desert, make, use , another, friend , carry , trouble, friend 4、You may think there is nothing but sand in the desert of the world, but it is not true. In the desert we can 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.4、1.find 2.desert 3.enough 4.useful 5.make 6. carrying 7. moving 8. another 9.friendly 10.trouble 五how, they ,winter, summer spend, care , dance , take, show , open , only, good5、The world of the out-of doors is full of secrets. And 1. _ are so interesting that quite a lot of people are 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