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bichhanh2510
2 năm trước
Cho tam giác nhọn ABC nội tiếp đường tròn o . Các đường cao BD và CE của tam giác cắt nhau tại D. CM/ tứ giác ADCE và BCDE nội tieps đường tròn b.TIa BD và CE lần lượt cắt đường tròn tại M và N. Cm DE//MN c. ké đườn kính Ak. m tứ giác BKCM là hình thang cân
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Last summer Hugo went (1) _________ holiday for two weeks to the island of Sardinia. He (2) _________ in a hotel which had a wonderful swimming pool and beautiful views of the sea. It was in a village where the local people went fishing (3) _________ the winter, and foreign visitors came in the summer. Hugo spent (4) _________ first day on the beach, but on the second day he felt very ill. First he was (5) _________ hot, then he was too cold. He couldn’t understand why he felt like that. So he went to see the local doctor, (6) _________ was a very nice man. "Summer is a time when people often ill," the doctor said. "It's too hot for (7) _________ of us! (8) _________ this medicine, and stay out of the sun" Hugo took the doctor's (9) _________, and stayed in his room for the rest of his holiday. He soon felt better. "(10) _________ a cheap holiday!" he thought happily.

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