Số đó là:
10 : 25 x 100 = 40
Đáp số: 40.
BÀI TẬP ÔN TẬP ANH 8 I. Rewrite 1. We started living here fifteen years ago -> We have …………………………………… 2. The last time she visited me was five month ago -> She hasn't ………………………………………… 3. I last wrote to my uncle in July -> I haven't …………………………………………. 4. It's long time since we became close friends -> We have …………………………………… 5. Tan began to collect stamps in 1999 -> Tan has ……………………………. 6. We began to study English four years ago -> We have …………………………………… 7. Nga started to keep this dog seven days ago -> Nga has ……………………………………… 8. I haven't read this novel yet -> I never ……………………………………… 9. They have lived here for 10 years -> They began …………………………………… 10. An hasn't received the letters from her close friends since January -> An last …………………………………………………………….. II.Turn these sentences into passive voice 1. My brother always invent telephones -> ……………………………………………………………………… 2. Lan often do the chores on sundays -> ……………………………………………………………………… 3. They cook the meal themselves -> ……………………………………………………………………… 4. Tan usually buy fish and vegetables for her mother -> ……………………………………………………………………… 5. We don't use the saucepan and frying pan -> ……………………………………………………………………… 6. Do you call Aunt Hoa every night? -> ……………………………………………………………………… 7. Does your mother put the rug between the armchair and the couch? -> ……………………………………………………………………… 8. The mother doesn't let children play in the kitchen -> ……………………………………………………………………… 9. Children do not play with matches -> ……………………………………………………………………… 10. My younger sister always empty the garbage in early morning -> ……………………………………………………………………… 11. Hung cleans the fish tank every afternoon -> ……………………………………………………………………… 12. Does our teacher do the experiment this afternoon? -> ……………………………………………………………………… 13. The repairmen often fix the washing machine -> ……………………………………………………………………… 14. Do these boys draw that picture? -> ……………………………………………………………………… 15. The old woman doesn't light the lamp in the evening -> ……………………………………………………………………… III. Choose the best answer 1. My mother showed me how ( to make/ making/ make/ made) clothes 2. These houses ( are built/ built/ were built/ build) 90 years ago 3. Our teacher asked us ( whether if/ if/ what/ if whether) we liked to go camping 4. My family has decided ( visit/ visited/ to visit/ visits) Ha long in the Summer 5. When passing the bridge, we often stop ( take/ took/ taking/ to take) pictures 6. My friend told me what ( doing/ to do/ do/ done) when I visit Hoi An 7. When the teacher comes in , the class stop ( talking/ to talk/ talk/ talked) and stand up 8. I always remember ( turn/ turning/ to turn/ turned) off the light before going to bed 9. Life in the city is different ( with/ of/ from/ to) life in the country 10. I prefer tea ( rather/ than/ more/ to) coffee
tìm gtnn x+y+ 8/x+ 2/y. biết x,y là 2 số thực dương x^2 +2xy+ 2y^2- 2y=8
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vì sao nhân dân ta tôn thờ Hai Bà Trưng.
Tính diện tích xung quanh và diện tích toàn phần của hình lập phương có cạnh: a) 11 cm b) 6,5 dm c) 2/5 m
I. Complete the passage with the words from the box. -other -carved -trick-or-treating -fun -unwanted -comes -costumes -frightening Halloween is celebrated on October 31, and many people, including children, dress up in (1)________________, visit people’s houses, and ask for candy. This is called (2)________________. There are (3)_________________traditions at Halloween. People have parties in their houses. You can dress up in scary costumes for (4)________________, but your costume doesn’t have to be scary. In the USA, many people wear costumes that aren’t (5)________________. People also tell scary stories at Halloween or play games like bobbing for apples. Some people make jack-o’-lanterns, (6)________________pumpkins with candles inside, and put them inside or outside their houses. It’s unclear where this tradition (7)________________from. Some historians believe that in the past, they were used to scary away (8)________________ visitors or travelers. Jack-o’-lanterns are now chiefly associated with Halloween.
I. Read the following text and use the words given in the box to fill in the blanks Cathedral Exciting Historic Convenient Modern Pollution Terrible Quiet Suburb temple If you live on a cul-de-sac in a family neighborhood, you probably have (1)………playing outside, and they can get quite noisy. Get to know their (2)……….and show kindness to the little ones. If you are nice to them, they are (3)………..more likely to be respectful when you ask them to stop (4)…………so loud. Take an extra step of (5)………….to soften the times when you ask them to tone down the noise. If you enjoy babysitting, offering to (6)………..the children once in a while so the parents can (7)…………..a night to themselves. If you like baking, considering making a few extra for the (8)……….. children. As these kids grow up, you’ll reap the rewards of seeing this kindness pay off.
Bài 1: Không giải phương trình em hãy tính tổng và tích của phương trình sau: a) x2 – 12x + 9 = 0 b) 4x2 – 5x – 6 = 0 Bài 2. Nhẩm nghiệm của các phương trình sau: a,7x2-9x+2=0 b,23x2-9x-32=0 Bài 3: Tìm hai số u và v trong trường hợp sau: u + v = -7 ; uv = 1
vì sao nhà Hán giữ độc quyền về sắc.
I. Choose the correct answer A, B, C or D to complete each of the following sentences: (1.5pts) 1. Tam ………………go fishing with his brother when he was young. A. used to B. is used to C. has used to D. was used to 2. I don't know what to do this evening. What about . ……………. to the movies? A. go B. to go C. going D. goes 3. I don't like doing the . ……………. , especially cleaning the windows. A. homework B. housework C. job D. occupation. 4. My favorite . ……………. is Literature. A. play B. game C. subject D. activity 5. My mother is very . ……………. at cooking. A. well B. good C. popular D. famous 6. She. ……………. a letter when the telephone rang. A. writes B. wrote C. has written D. was writing 7. He suggested that we ………to the theatre instead of staying at home. A.. should go B. going C. went D. will go 8. William suggested . ……………. at home for a change. A. staying B. to stay C. stay D. stayed 9. Would you mind…………..me with this exercise ? A. help B. helping C. to help D.helped 10. Mrs Nga forgot to . ……………. the faucet when she left for work. A. turn off B. turn on C. turn up D. turn down 11. This book is different ..................... the one I had. A. with B. to C. from D. at 12. When I got home, my parents………..TV. A. watched B. are watching C. were watching D.watch 13. . I don't mind ....................... home but I ' d rather ............................ a taxi. A. to walk / to get B. walking / getting C. walking / get D. walk / getting 14. They named their daughter .................... their favourite movie star. A. of B. for C. after D. on 15. Most young people want to .......................... more about environmental problems. A. look up B. find out C. deal with D. make out
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