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第二课时 Section A(2a——2d)
基础巩固
一、根据括号内所给汉语注释写出单词的正确形式(每空一词)
1. He can (潜水) into the water and pick up the stone quickly.
2. We will do some (研究) about pandas for our science project.
3. A large (轮船) is sailing slowly on he sea near our town.
4. (想知道) why the sky turns red at sunset and if my science teacher can tell me the reason.
5. The (深度) of this swimming pool is1 metre, so it's safe for kids.
6. It's (不寻常) to see snow in our city in April.
7. There is a small bag at the (底部) of the big box.
8. Please do not write (在······下面)this line.
二、用所给单词的适当形式填空
1. There was an (usual) noise outside my window last night, which made me a little scared.
2. The (deep) of the river here is about3 metres, so be careful when you play near it.
3. He dives (deep) than his little sister when they swim in the sea on weekends.
4. His (curious) about stars made him read many books about the universe.
5. It's (surprise) that she finished the1,000-metre race in less than 4 minutes.
6. The Pacific Ocean is the (large)ocean on earth, covering a huge area.
三、用适当的单词填空(每空一词)
1. Many colourful fish and strange plants live the ocean, making it full of surprises.
2. No one is sure about the exact depth which the deep sea begins, even scientists.
3. We don't know much the old castle on the hill, as few people have visited it.
4. There are many tiny creatures living the bottom of the lake, hard to see with eyes.
5. Strange lights sometimes appear the deep sea.
6. Do you know what the deep sea animals are
四、将方框中所给词语的适当形式填入短文中，每词仅用一次
bottom, create, surface, research, as well as
In science class, we learned to research how things work under the water. Last week, our teacher asked us to create a small boat. First, we checked the 1. of the lake near our school. Then, we thought about the2. of the boat— how to make it strong enough.
During the 3. , we found that a flat bottom helps the boat stay steady(平稳). We also learned that light materials,4. a good shape, are important.So we used cardboard and tape to create our boat.When we tested it, it floated well on the surface.Our teacher said it was a great job, as well as a good lesson: careful research 5. things that work well.
能力提升
五、阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式
The earliest maps were probably drawn in the Middle East. According to the maps, people at that time thought 1. earth was flat(平的).
As time went by, the pictures became clearer and maps were made 2. (careful). Later on, ancient Greeks 3. (use) maths and science to make maps. 4. (they) tell us theGreeks knew the world was round.
From simple pictures, map-making has turned 5. a science already. People make maps by surveying(勘测) land. In the 1900s, people around the world 6. (start) to share information to make 7. (good) maps. With the help of the photos taken from the sky and space, maps are more exactly made than ever. Since the world never stops changing, we always need new 8. (map).
There are many different kinds of maps, 9. almost all of them use words and pictures to describe what a place is like. A road map will help you know how far it is from one place to another.Other maps may use pictures 10. (show) the temperature and population in different places.
六、完形填空
One day an angel(天使) came across three peas. She said she could help each of them 1 a dream.
The first pea wanted to fly in the sky, and the second one's 2 was to swim in the sea. The third one said it had been 3 going to a place where it could bring happiness to others. The angel 4 them where they wanted to go. The first pea fell onto the 5 after a long flight and was eaten by a hen. The second one sank into the sea and had to stay in the dark lonely all its life. The 6 one flew into a flowerpot whose owner was a poor little girl. Having been 7 for a long time, she was very weak and couldn't go outside.
One day, when the girl was walking as usual in the house, she 8 a small pea plant in the flowerpot. 9 the plant only had two tiny leaves, it seemed to be cheerful. When a light 10 came, it danced and seemed to be encouraging the girl to cheer up.“I will grow up like this plant and Iwill be better soon,” she said in a confident voice. From then on, the girl stayed beside the little pea plant, watched it and talked with it. Day by day the plant grew taller and taller, and 11 the little girl became better and better. Finally, the pea plant flowered and the girl returned to her 12 .
Then the angel came. The pea plant waved its leaves to her and said,“Look! My 13 has come true and I feel I'm the 14 pea in the world!” The angel smiled,“Only the dream that can 15 others will bring happiness in return!”
( )1. A. explain B. develop C. have D. achieve
( )2. A. wish B. plan C. game D. prize
( )3. A. getting out of B.coming up with C. taking part in D. looking forward to
( )4. A. sent B. bought C. showed D. imagined
( )5. A. mountain B. ground C. river D. building
( )6. A. third B. second C. first D. fourth
( )7. A. happy B. ill C. fat D. serious
( )8. A. looked B. noticed C. knew D. grew
( )9. A. When B. Since C. Though D. If
( )10. A. wind B. rain C. storm D. cloud
( )11. A. suddenly B. certainly C. properly D. slowly
( )12. A. activities B. health C. studies D. job
( )13. A. joke B. decision C. dream D. suggestion
( )14. A. biggest B. worst C. bravest D. happiest
( )15. A. compete B. protect C. help D. understand
七、阅读下面材料，从方框中所给的A——E五个选项中选出正确选项(其中一项是多余选项)，将其序号填入第1—4小题，并回答第5小题
The Nile River is called the“Father of African Rivers”. The Nile is about 6,671 km long. 1. The river runs from south to north, beginning in the mountains of Burundi and ending in theMediterranean Sea(地中海). 2. It ran through ancient Egypt, bringing water to plants. The river was full of fish and the river banks were full of good things to eat.
Each spring, snow on the mountain tops would become water. That was a very good thing. When the water passed by, it left behind good soil. Plants could grow very well in the black and rich soil. The ancient Egyptians called it“the gift of the Nile”.
3. Papyrus(纸莎草), used for everything, grew along its banks. It provided water for cooking and bathing. There were also many fish and water birds. 4. Egypt is in the middle of a desert. But life along the Nile was wonderful.
A. And the Amazon is the second longest river in the world. B. Wild vegetables could be found, along with bird eggs. C. The Nile provided other gifts for the ancient Egyptians. D. It's the longest river in Africa and in the world. E. The Nile played an important role in the development of ancient Egypt.
5. What's the longest river on earth How long is it (不超过15词)
【读后词汇拓展】猜出画波浪线单词的词性和中文意思，并收入自己的小词典。
1. flight 2. wave
第二课时 Section A(2a—2d)
一、1. dive 2. research 3. vessel 4. wonder 5. depth6. unusual 7. bottom 8. below
二、1. unusual 2. depth 3. deeper 4. curiosity5. surprising 6. largest
三、1. in 2. at 3. about 4. at 5. in 6. like四、1. surface 2. bottom 3. research 4. as well as5. creates
五、1. the 2. more carefully 3. used 4. They 5. into6. started 7. better 8. maps 9. but 10. to show六、1—5 DADAB 6—10 ABBCA 11—15 DBCDC七、1—4 DECB
5. It is the Nile. It is about 6,671 km long.
读后词汇拓展
1. n.航程 2. v.挥动

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