Xếp các đơn thức sau thành từng nhóm các đơn thức đồng dạng 1/2x^2y , 2xy^2, -2/3x^2y,1/2xy,-5x^2y^2,-3xy,7x^2y

IV. Read the following passage and mark the letter A, B, C or D Television is an important invention of the 20th century. It has been so popular that now we can't imagine what life would be like if (16).......... were no television. Television is a major means of communication, It brings pictures and sounds from around the world into millions of home. Though television (17)............... can see and learn about people, places and things in far away lands, television widens our knowledge by introducing us to new ideas which may lead us to new hobbies and recreations. In addition of the news, television provides us with a variety of program that can satisfy (18)............ taste. Most people now seem to like spending their evenings (19)............ television. It is more convenient for them to sit at (20)................ watching television than to go out for amusements elsewhere. 16. A. there B. those C. these D. they 17. A. audience B. spectators C. viewers D. people 18. A.. each B. many C. all D. every 19. A. watching B. looking C. seeing D. cleaning 20. A. house B. home C. building D. office IV. Read the following passage and mark the letter A, B, C or D Well, I think that living in Bangkok is very exciting. I haven’t lived here all my life. My family came here when I was three. But now it is my home. Nearly all my friends live here. It is our capital city, and very big. From morning till night there are crowds of people on the main streets. Some part of the city are very noisy. I have a long journey to school everyday, but I don’t mind because it is so interesting. There’s always something happening in the streets. There are all kinds of people selling things – fruits, flowers, cooked food, clothes – everything you can imagine. I really enjoy the excitement of the crowded streets and large modern buildings. I love walking around the streets at the weekend with some other boys from my class. 21. when did the writer move to Bangkok ? A. When he was three month years old. B. At the age of three C. When he was in grade three. D. At the age of thirteen. 22. What does the word “main” in paragraph 2 mean ? A.quiet B.minor C.major D.clean 23. Why doesn’t the writer mind the long journey to his school ? A. Because he travel by bus B. Because he can see many interesting things in the streets. C. Because he is selling fruits. D. Because he can enjoy cooked food. 24. Which of the following sentences is not true ? A. The writer was born in Bangkok. B. Bangkok is the capital city of Thailand. C. The writer’s house is very far from his school. D. Almost streets in Bangkok are crowded and busy. 25. Who does the writer walk around the streets at weekends with ? A. his sister B.his brother C.his cousins D.his classmates

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nếu ta chia động từ có từ about thì ta chia thế nào VD I am thirsty. What about ( have ) .............. some food ?

tính giá trị của biểu thức sau: a) 11 3/13 - (2 4/7+ 5 3/13) b) 4/7+5/6 : 5 - 0,375.(-2)^2 c) 1/4+3/4.(-1/2+2/3)

ai giỏi logo thì vẽ hình này giùm

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