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bopkk01
2 năm trước
Ai giúp mình với chỉ cần giải ngắn gọn thôi Tổng số hạt cơ bản trong nguyên tử nhôm là 40; trong đó, số hạt không mang điện ít hơn số hạt mang điện là 12. a. Viết kí hiệu nguyên tử nhôm. b. Nhôm còn có một đồng vị khác với số notron ít hơn đồng vị nhôm ở trên 1 đơn vị. Hãy xác định kí hiệu nguyên tử của đồng vị này. ……………………………………………………………
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đang cần gấp giúp em đi VII. Read the passage beloww and answer the questions. The country is more beautiful than a town and more pleasant to live in. Many people think so, and go to the country for the summer holidays though they cannot live there all the year round. Some have a cottage built in a village so that they can go there whenever they can find the time. English villages are not all alike, but in some ways they are not very different from one another. Almost every village has a church, the round or square tower of which can be seen from many miles around. Surrounding the church is the church yard, where people are buried. The village green is a wide stretch of grass, and houses or cottages are built round it. Country life is now fairly comfortable and many villages have running water brought through pipes into each house. Most villages are so close to some small towns that people can go there to buy what they can't find in the village shops. 1. When do city people often go to the country? 2. What is the advantage of city people when they have a cottage built in the village? 3. What is the common feature of English villages? 4. What is NOT mentioned in the life of English villages? 5. What can villagers do when their villages are close to small towns? VIII. Complete the following sentences with proper prepositions: 1.We'll buy a smaller house when the children have grown..... and left home. 2. My headaches have been much better since I gave . . drinking coffee. 3. We need to set .. . tomorrow. 4. Your friend is always complaining .. . her job. 5. I'm not interested .... politics.

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