Cho 2 đường tròn (o) và (o') cắt nhau tại A và B trong đó o' nằm trên đường tròn (o) kẻ đường kính o'oc của đường tròn (o). a) chứng minh CA,CB là tiếp tuyến của đường tròn (o) b) đường vuông góc với AO' tại O' cắt CB ở I. Đường vuông góc với AC tại C cắt đường thẳng O'B ở K. Chứng minh rằng 3 điểm O,I,K thẳng hàng

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Though/ Even though/ Although + clause = In spite of/ despite + N = in spite of + N Viết lại một câu khác mà không thay đổi nghĩa. 1. Though the doctor warned him, he kept on smoking.  Despite………………………………………….. 2. In spite of his age, he runs seven miles before breakfast  Even though……………………………………….. 3. Even though he didn’t speak Dutch, Bod decided to settle in Amsterdam.  Despite………………………………………………… 4. In spite of all our warning, he left cap without taking rifle.  Though………………………………………………. 5. Although she has a physical handicap, she has become a successful woman.  Despite…………………………………………………….. 6. Tom was admitted to the university although his grades were bad.  Despite…………………………………………………….. 7. Though he had not finished the paper, he went to sleep.  In spite of……………………………………………………. 8. In spite of high prices, my daughter insists on going to the movies.  Even though………………………………………………….. 9. Although she said that she would come, I don’t she ever will.  Despite………………………………………………………. 10. Although she behaves well, no one loves her  Despite…………………………………………………… 11. I went to school although it was hot  Despite……………………………………………………