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The sun is a huge, hot, bright star. It is important because without it there would be no life on Earth. The
sun gives us light and heat.
All living things need light and heat from the sun to live. Plants need light and heat to grow. They use the
light from the sun to make food. We cannot make our own food, but plants can. All the food we eat comes
from plants in a food chain (链) which starts with the sun. For example,
Animals need sunlight, too. Just like us, their food comes from a food chain which begins with the sun
and the plants.
sun→ leaf→ caterpillar (毛虫)→bird
sun→ seaweed (海藻)→small fish→ whale (鲸)
Sunlight means we can see during the day. If there was no sun, it would be dark all the time. Even when
the sky is cloudy, the sunlight is very strong and it shines through the clouds.
B. Hot.
C. Bright.
D. All above.
B. Heat and eggs.
C. Corn and light.
D. Wheat and bread.
B. Because the sun can't give us light all day long.
C. Because the sunlight can shine through the clouds.
D. Because we can't see at night.
B. a food chain; sun
C. food; sun
D. plants; star
B. It can make rivers too dry.
C. Without it there would be no life on Earth.
D. Hot sun on dry land can cause fires.
Once, a king showed two men a large basket in the garden. He told them to fill it with water from a well. After they __1__ their work, he left them, saying, “When the sun is down, I will come and see your work.”
At last one of them said, “What’s the use of doing this foolish work? We can __2__ fill the basket.” __3__ man answered, “That is none of your business.” The first man said. “You may do as you like, but I am not going to work at __4__ so foolish.” He __5__ his bucket and went away. The other man said no word, and kept on carrying __6__. At last the well was almost __7__.
As he poured the last bucket of water into the basket, he saw a bright thing in it. He picked it up. It was a beautiful gold ring. Just then the king came. __8__ he saw the ring, he knew that he had found the kind of man he wanted. He told him to keep the ring for himself. “You __9__ so well in this little thing,” he said, “ __10__ now I know I can believe you with many things.”
1. A. finished B. did C. began D. had
2. A. ever B. never C. easily D. no
3. A. The other B. Another C. One D. A second
4. A. anything B. something C. nothing D. everything
5. A. picked up B. put away C. took away D. threw away
6. A. water B. basket C. well D. work
7. A. full B. empty C. filled D. clean
8. A. While B. As soon as C. Before D. Since
9. A. have done B. will do C. do D. are doing
10. A. what B. why C. when D. that
The Green family usually goes to the park on Sunday. 1 take some bread, meat and __2__coke with them. They are now in the 3 . The sun is shining and the birds are singing. It’s a 4 day. Mr. Green is wearing a blue T-shirt. He is 5 by the river. Mrs. Green is 6 under the tree. She is wearing a green dress and a pair of 7 . She is drinking some 8 . Peter and Alice are flying a kite. Jack is playing chess. He is good at ___9 . The Green family is very 10__ today.
( )1. A. She B. He C. They D. Them
( )2. A. a pair of B. a C. a cup of D. a tin of
( )3. A. hill B. room C. park D. shop
( )4. A. fine B. cold C. rainy D. snowy
( )5. A. skating B. swimming C. boating D. fishing
( )6. A. flying B. doing C. kicking D. sitting
( )7. A. hat B. sunglasses C suit D. shoe
( )8. A. oranges B. cake C. coke D. meat
( )9. A. it B. them C. this D. one
( )10. A. happy B. funny C. naughty D. hungry
查看习题详情和答案>>Once, a king showed two men a large basket in the garden. He told them to fill it with water from a well. After they __1__ their work, he left them, saying, “When the sun is down, I will come and see your work.”
At last one of them said, “What’s the use of doing this foolish work? We can __2__ fill the basket.” __3__ man answered, “That is none of your business.” The first man said. “You may do as you like, but I am not going to work at __4__ so foolish.” He __5__ his bucket and went away. The other man said no word, and kept on carrying __6__. At last the well was almost __7__.
As he poured the last bucket of water into the basket, he saw a bright thing in it. He picked it up. It was a beautiful gold ring. Just then the king came. __8__ he saw the ring, he knew that he had found the kind of man he wanted. He told him to keep the ring for himself. “You __9__ so well in this little thing,” he said, “ __10__ now I know I can believe you with many things.”
( )1. A. finished B. did C. began D. had
( )2. A. ever B. never C. easily D. no
( )3. A. The other B. Another C. One D. A second
( )4. A. anything B. something C. nothing D. everything
( )5. A. picked up B. put away C. took away D. threw away
( )6. A. water B. basket C. well D. work
( )7. A. full B. empty C. filled D. clean
( )8. A. While B. As soon as C. Before D. Since
( )9. A. have done B. will do C. do D. are doing
( )10. A. what B. why C. when D. that
查看习题详情和答案>>
What do we know about the sea? We 36 that it looks very beautiful when the sun is shining(照射) 37 it. We also learn that it can be very terrible when there is a strong wind. What 38 things do we know about it?
The first thing to remember is that the sea is very big. 39 the map of the world, there is 40 sea than land. The sea covers three quarters of the 41 .
Some parts of the sea 42 very shallow, but some places are very deep. There is one place near Japan. It is nearly 11 kilometers deep. The 43 mountain in the world is about 9 kilometers high. If we put the mountain into the sea at that place, there would be 44 kilometers of water above it!
The sea is salty. There is one sea called the Dead Sea. It is very salty. It is 45 salty that swimmers cannot sink! Fish cannot live in the Dead Sea.
( )36. A. know B. say C. hope D. wish
( )37. A. in B. at C. on D. over
( )38. A. another B. other C. the other D. others
( )39. A. Look after B. See C. Watch D. Look at
( )40. A. smaller B. fewer C. more D. less
( )41. A. land B. world C. water D. mountain
( )42. A. are B. is C. has been D. were
( )43. A. longest B. oldest C. tallest D. highest
( )44. A. 20 B. 2 C. 11 D. 9
( )45. A. much B. too C. so D. very