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2 năm trước
Cho ΔABC cân tại A nội tiếp đường tròn (O). Gọi M là trung điểm của AC, G là trọng tâm ΔABM, Q là giao điểm của BM và GO. Xác định tâm đường tròn đi qua 3 điểm B,G,Q Please help me.
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Read and answer Half the brain a child will have as an adult has already developed the time he is 4 years old. It is now recognized that children who have been encouraged and stimulated into mental activity during the early years will become more and more intelligent adults. Language, the way we express ourselves, is an essential part of learning. A baby learns his native tongue naturally by hearing speech around him. If the speech he hears is rapid, not clear and never directed at him then he learns slowly and speaks badly. A child of 2 or 3 years old who can’t make his desires known or put his thoughts into words will usually become angry. His relationships with others will get worse. If the speech a baby hears around him is clear, and his family talk to him, he will gain a satisfactory command of language directly, by his mother, his language ability will be greater. By the time he is 2, it is quite possible for him to have a vocabulary of two thousand words and by the time he is 3, he will be able to read. Once ahead he will stay ahead. 1. How is language definded by the writer ? 2.How does baby learn his mother tongue ? 3.How does a child usually react when he can't express himself ? 4.What is the rolr of the mother in the language ability of her child ?

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