Đầu thế kỉ III nhà ngô đặt tên cho vùng đất âu lạc cũ là Châu giao bao gồm các quận: cửu đức, cửu chân , giao chỉ , nhật nam
Đầu thế kỉ III,nhà ngô đặt tên cho vùng đất âu lạc cũ là Châu giao bao gồm các quận: cửu đức, cửu chân , giao chỉ , nhật nam.
Tính diện tích hình thang vuông ABCD (Â = góc D = 90 độ ) có AB = 3cm, AD = 4cm, góc ABC = 135 độ
Học sinh khối 6 có 195 nam và 117 nữ tham gia lao động. Cô giáo muốn chia thành các tổ sao cho số nam và số nữ ở mỗi tổ đều nhau. Hỏi : a) Có thể chia được nhiều nhất mấy tổ? b) Trong trường hợp đó, mỗi tổ có bao nhiêu học sinh? Bao nhiêu học sinh nam? Bao nhiêu học sinh nữ? GIÚP MÌNH VỚI
trên hai nửa mặt phẳng đối nhau,bờ t phẩy và t ta vẽ hai tia Ox và Oy(O thuộc t phẩy và t) chứng tỏ rằng hoặc tia Ot hoặc tia Ot phẩy nằm giữa hai tia Ox và Oy nhớ vẽ hình nha
Today, computer companies sell many different programs for computers. First, there are programs for doing math problems. (26)_________, there are programs for scientific studies. Third, some programs are like fancy typewriters. They are often used by writers and business people. Other (27)_________are made for courses in schools and universities. And finally, there are programs for fun. They include word games and puzzles (28) _________ for children and adults. There are many wonderful new computer programs, but there are other reasons to like (29) _________ . Some people like the way computers hum and sing when they (30) _________ . It is a happy sound, like the sounds of toy and childhood. Computers also have lights and pretty pictures. And computers (31) even seem to have personalities. That may sound strange, but computers seem to have feelings. (32) _________ they seem happy, sometimes they seem angry. It is easy (33) _________ they are like people. 26. A. Two B. Second C. Twice D. Double 27. A. programs B. people C. students D. typewriters 28. A. to B. with C. for D. of 29. A. programs B. reasons C. games D. computers 30. A. work B. have worked C. are working D. worked 31. A. even B event C. so D. because 32. A. Sometime B. Sometimes C. No D. Often 33. A. to think B. thinking C. for thinking D. that thought 26. 27. 28 29. 30. 31. 32 33 VI. Give the correct form of the words in bracckets 34. Vietnamese people are very ______ and hospitatable. (FRIEND) 35. By learning English, you can get access to the world’s ______ (DEVELOP) 36. Tet holiday is the most important ______ for Vietnamese people. (CELEBRATE) 37. Ha Long Bay was ______ by UNESCO as a World Heritage Site. (RECOGNITION) 38. Discovering penicillin made Sir Alexander Fleming ______ (FAME) 34. 35. 36. 37. 38. VII / Read the following passage and choose the correct answer to each question. Pollution can be seennot only throughout the world, but also in our own homes. It comes from household chemicals, the amount of water people use and the waste people produce and throwaway. What can be done to stop this pollution? Surprisingly, a person can help save the environment by doing simple things. First, we need to recycle, which allows products to be used over and over again. Recycling can also reduce the number of trees cut down to produce paper products. It takes very little effort. It is not hard to place plastic and glass bottles, aluminum cans and paper in a bin. Anyone can do it. Second, we need to watch the amount of water used in the home. It can be conserved by taking short showers instead of baths, repairing leakyfaucets, using the dishwasher or washing machine only when fully loaded, or simply turning the faucet off while brushing your teeth. Third, we need to reduce waste. We need to recycle whenever possible, but should also try to use this waste effectively. Forexample, grass clippings and food scraps can be made into compost for plants. The average person produces 4.3 pounds of waste every day, but we can reduce that amount by recycling andreusing. If we do our part in our own homes, we can help keep the planet from becoming more polluted. 39. Pollution comes from the following sources except _________ . A. water in river B. water from households C. wastes D. house chmicals 40. Recycling can help us _________ . A. never cut down trees B. produce more paper products C. place garbage bins easily D. use products again and again 41.In order to save water, we can do all of the following things except _________ A. fully use the washing machine B repair leaky faucets C. take short showers instead of baths D. turn the faucet off while brushing your teeth 42. Recycling helps to reduce waste because _________ . A. plants need to develop B. waste can be recycled and reused C. a person can do it in his home D. an aveage man produces compost for plants 43. The word “It” in paragraph to refer to _________ . A. cutting down B. the number C. recycling D. effort 44. The average person produces every day _________ . A. three point four pounds of waste B. thirty four pounds of waste D. four point three pounds of waste D. forty three pounds of waste 45. If we do our part in our own homes, we can help keep _________ . A. the planet from becoming less polluted B the planet from becoming more polluted C. the house from becoming few polluted D.the planet from becoming little polluted 39. 40. 41. 42. 43 44 45
nhờ anh chị giải em bài này với
1. Some teachers suggested that bright students ______ take their exams early. A. must B. would C. should D. could 2. It is raining ______ we can‘t go outside. A. so hard that B. as hard as C. so hard as D. so hardly that 3. You should have a ______ check your motorcycle regularly. A. plumber B. mechanic C. driver D. pilot 4. My children are afraid of ______ at home all the time. A. leaving B. being left C. leave D. be leaved 5. Would you like ______ sugar? A. any B. the C. a D. some 6. Mai is a brilliant student. It‘s difficult to ______ her if you don‘t try very hard. A. keep up with B. put up with C. get on with D. get along with 7. When he lived in the city, he ______ to the theatre twice a week. A. uses to go B. has gone C. used to go D. was going 8. When are you ______ vacation with your family, Lan? A. on B. by C. with D. to 9. The girl wishes she ______ in Hue for the festival next week. 21 A. had stayed B. was staying C. stay D. could stay 10. The Internet ______ it easy to get much new information in a short time. A. finds B. takes C. brings D. makes
Khi HCl khô gặp quỳ tín thì làm quỳ tím
1. I think that ........... is a major issue because everyone has a right to an education A. illiteracy B. poverty C. homelessness D. racism 2. We must tackle the issue of global ......... and reduce carbon dioxide emissions A. pollution B. rubbish C.warming D. deforestation 3. Tomorrow Mr. Brown will ............ a speech about poverty to the students A. tell B. say C. talk D.give
Đặt 2 câu nghi vấn không dùng để hỏi mà dùng để : - yêu cầu 1 người bạn kể lại nội dung của 1 bộ phim vừa đc trình chiếu. - Bộc lộ tình cảm, cảm xúc trước số phận của một nhân vật văn học.
Cho ΔABC vuông tại A, BD là phân giác của góc B. Vẽ DI vuông góc với BC (I ∈ BC). Gọi K là giao điểm của 2 đường thẳng DI và AB. Chứng minh a) ΔABD= ΔIBD b)BD ⊥AI c) DK=DC d)Chứng minh AB=AD Vẽ hình đúng GIÚP MK VS
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