user-avatar
narutoddt123
2 năm trước
Câu 1: Viết công thức tính điện năng tiêu thụ ? Giải thích và nêu đơn vị của các đại lượng có trong công thức ? Câu 2: Mạng điện trong nhà có đặc điểm gì ? Nêu cấu tạo của mạng điện trong nhà ?
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

IV. Choose the best item among A, B, C or D to complete the sentences. Question 12. _______ is the most expensive city in the world? - I think it is Tokyo. A. What B. Where C. When D. How Question 13. My sister can’t swim _______ she’s afraid of water. A. because B. and C. but D. so Question 14. My best friend likes going to the cinema _______ I like watching TV at home. A. and B. but C. because D. or Question 15. _______ is a person who reads a report in the program. A. A weatherman B. A comedian C. A newsreader D. A guest Question 16. We use a _______ to change the channels from a distance. A. remote control B. TV schedule C. newspaper D. volume button Question 17. The book is _______ the adventure of three close friends. A. on B. from C. at D. about Question 18. They invite special _______ to appear in the show. A. character B. guests C. foxes D. audiences Question 19. Millions of children _______ the world enjoys the show. A. all B. in C. around D. over Question 20. The game show this week will test you general _______ about Amazon jungle. A. schedule B. knowledge C. fact D. adventure V. Give the correct form of the verb in bracket. Question 21. Look! The singer (come) _______. She (have) _______ long black hair. Question 22. My mother (drive) _______ me to school everyday. Question 23. Children shouldn’t (buy) _______ firework at Tet. Question 24. Students must (go) _______ to school on time. Question 25. Where (be) _______ Son? He (read) _______ books in the library. He (go) _______ to the library twice a week. VI. Fill in blank with one, two or three words to complete the following sentences. Television watching influences children a lot. America children often spend from three to four hours a day watching TV. Some of them spend more time watching television than studying in the classroom. While television can entertain and inform our children of news and real knowledge, it may also influence them in bad ways. Time spent on watching television takes away their important activities such as reading books, playing outdoor sports, doing homework, having family gatherings and developing social skills. Children can also learn incorrect or inappropriate information from television. If children watch TV a lot, they may have lower grades at school, read fewer books and do less exercise or even be overweight. Question 26. Children in the USA often spent from _______ hours a day watching TV. Question 27. Television can _______ and provide information for children. Question 28. Watching TV can take time away from _______ activities for children. Question 29. Kids can learn incorrect and unsuitable _______ on TV. Question 30. Watching TV a lot may make students have _______ marks at school. VII. Read the passage and write true (T) or false (F) into the blank. Yazan likes outdoor sports. He can play volleyball, tennis and badminton. He enjoys swimming and jogging in the morning. He likes summer because he can go swimming everyday. He doesn’t like winter because it is very cold. He likes spring when there are a lot of flowers in the garden, but he thinks fall is the best season because the weather is fine and people can play any sports they like. Question 31. Yazan can’t play badminton. _______ Question 32. He doesn’t like jogging in the morning. _______ Question 33. There are many flowers in the spring. _______ Question 34. The fall season is the best of all. _______ Question 35. He likes three seasons in a year. _______ VIII. Rewrite the following sentences using the given words below. Question 36. No cities in Vietnam are more crowded than Ho Chi Minh city. => Ho Chi Minh city is ________________________________________ . Question 37. I have never visited this beautiful place before. => This is the first time ________________________________________ . Question 38. It is the first time our team has won a big match. => We have never ____________________________________________ . Question 39. I last saw him 2 weeks ago. => I haven’t _________________________________________________ . Question 40. I started learning English in 2000. => I have ___________________________________________________ . _________THE END___________

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team