Bài 6: Một người đi xe máy từ A đến B với vận tốc dự định là 50km/h . Nhưng vì đường dễ nên vận tốc thực tế nhanh hơn 10km/h và đến sớm hơn 20 phút . Tính quãng đường AB

So sánh với quy trình chung lắp mạch điện, quy trình lắp mạch điện đèn ống huỳnh quang khác như thế nào?

Tính chất ảnh tạo bởi gương phẳng cách vật một khoảng 20m . Hỏi vật cách gương một khoảng là bao nhiêu ?

đặc điểm đường truyền của tia sáng khi đi qua thấu kính hội tụ?

√3x^ - (1-√3) x-1=0 giải pt giúp em

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks A. I (31) _______my teaching career nearly ten years ago. I spent six years (32) _______ in a remote village (33) _______the villagers were very poor and the living standard was low. Sometimes I was very disappointed (34)_______ bad living condition and low pay. I was really homesick. However, at that time with my youth enthusiasm, I tried my best to devote myself to the noblest career, that was "teaching". I loved my poor little students. They were living in poverty but they could not suffer from empty mind. I am proud (35) _______ myself to be a teacher, a hard working "boatman" taking my students to the "destination" of knowledge. 31. A. began B. had begun C. begin D. have begun 32. A. taught B. to teach C. teaching D. teach 33. A. there B. where C. when D. which 34. A. because B. though C. because of D. in spite of 35. A. of B. about C. in D. on B. The country and the city have advantages and disadvantages. People in the country live in more beautiful (36) _____. They enjoy peace and quiet, and their neighbors are more (37) _____ and ready to help them when they need it. However, their life can be tiresome and they can be isolated. The city has all the services the country lacks, but it also has a lot of (38) _____. Cities are often ugly and (39) _____. They not only have bad air but are also noisy. Everyone is always in haste and this means that people have no time to know each other and (40) _____ friends. 36. A. surroundings B. view C. sightseeing D. scenery 37. A. friend B. friendly C. friendship D. friends 38. A. disadvantage B. benefits C. advantages D. disadvantages 39. A. polluted B. pollutant C. pollution D. polluting 40. A. make B. making C. having D. has

1. you can watch folk music...in this festival(performer) 2. in japan, the festival of dolls is the day thai families pray for their girls...and...(grow\happy) 3. fossil fuels are...energy sources. they are...to the environment(renew\harn\) 4. the problem of energy ..will be..by..using..energy(short\solve\sun\

Một vật trọng lượng 2N .có vận tốc 6m/s lấy g= 10m/s² khi đó động năng của vật bằng bao nhiêu

1. you can watch folk music...in this festival(performer) 2. in japan, the festival of dolls is the day thai families pray for their girls...and...(grow\happy) 3. fossil fuels are...energy sources. they are...to the environment(renew\harn\) 4. the problem of energy ..will be..by..using..energy(short\solve\sun\

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