Một ô tô tải có khối lượng 2,5 tấn và một ô tô con khối lượng 650kg chuyển động cùng chiều trên một mặt phẳng với cùng vận tốc 54km/h a. Tính động năng của mỗi ô tô b. Tính động năng của ô tô con trong hệ quy chiếu gắn với ô tô tải

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1) Overpackage means …………………………. A. to use an excessive amount of packaging for (something, such as a product) B. to make something less or smaller in size, quantity, price C. a person who is typical of particular group D. to convert waste into reusable material. 2) The representative of the company is explaining the benefit of …………………………. fluid. A. detergent B. mixture C. metal D. sunlight 3) - “Would you bother if I had a look at your paper?” - “………………………….” A. You’re welcome B. Well, actually I’d rather you didn’t C. That’s a good idea D. Oh, I didn’t realize that 4) Thanks to recycling, we can save a lot of money.  …………………………. A. We are thankful to recycling. B. Money is important in recycling. C. Recycling helps us to save a lot of money D. A lot of money can be save unless we recycle. 5) ………………… in that company? A. Do shoes make B. Are shoes be made C. Shoes are made D. Are shoes made 6) They recycle car tires to make pipes and floor coverings. A. They make pipes and floor coverings to recycle car tires. B. Car tires are recycled to make pipes and floor coverings. C. Recycling car tires is difficult. D. Making pipes and floor covering takes time. 7) Compost/ made/ from/ household/ garden waste. A. Compost are made from household and garden waste. B. Compost are made from household but garden waste C. Compost is made from household and garden waste. D. Compost is made from household so garden waste 8) Tom bought that book yesterday. A. That book was bought yesterday by Tom. B. That book was bought by Tom yesterday. C. That book yesterday was bought by Tom. D. That book was bought yesterday. 9) They didn’t offer Ann the job. A. The job wasn't offered Ann by them. B. Ann wasn't offered them the job. C. Ann wasn't offered the job by them. D. Ann wasn't offered the job. 10) People don't use this road very often.Immersive Reader A. Not very often this road is not used. B. This road very often is not used. C. This road is not used very often. D. This road not very often is used.