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2 năm trước
giải bài toán theo cách lập phương trình:1 xí nghiệp lập kế hoạch dệt 2 loại vải ,theo kế hoạch đó mỗi ngày xí nghiẹp phải dệt 160 mét vải .trong quá trình thực hiện năng suất dệt của xí ngiệp tăng 5%.do đó xí nghiệp hoàn thành kế hoạch trước thời hạn 2 ngày và còn đẹt thêm được 24 mét vải.hỏi theo kế hoạch ,xí nghiệp phải dệt bao nhiêu mét vải
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Mark the letter A, B, C or D on your answer sheet to indicate the meaningful sentence from the cues given. Although / he /tired / he / have to / finish / homework. A: Although he is tired, he has to finish his homework. B: Although he is tired, he have to finish the homework. C: Although he tired, he has to finish the homework. D: Although he was tired, he has to finish his homework. Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A: hair B: happen C: honor D: house 3 Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions. Many people now think that teachers give pupils too much homework. They say that it is unnecessary for children to work at home in their free time. Moreover, they argue that most teachers do not properly plan the homework tasks they give to pupils. The result is that pupils have to repeat tasks, which they have already done at school. Recently many parents complained about the difficult homework which teachers gave to their children. The Greek parents said that most of the homework was a waste of time, and they wanted to stop it. Spain and Turkey are two countries, which stopped homework recently. In Denmark, West Germany and several other countries in Europe, teachers cannot set homework at weekends. In Holland, teachers allow pupils to stay at school to do their homework. The children are free to help one another. Similar arrangements also exist in some British schools. Most people agree that homework is unfair. A pupil who can do his homework in a quiet and comfortable room is in a much better position than a pupil who does his homework in a small, noisy room with the television on. Some parents help their children with their homework. Other parents take no interest at all in their children’s homework. It is important, however, that teachers talk to parents about homework. A teacher suggests suitable tasks for parents to do with their children. Parents are often better at teaching their own children. According to many parents, _____. A: children shouldn’t be given marks for homework B: teachers do not set enough homework. C: children are too lazy to do D: a lot of homework has not been planned properly

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