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lengoclan453
2 năm trước
Từ một điểm A nằm ngoài đường tròn tâm O bán kính R ,kẻ các tiếp tuyến AB,AC với đường tròn (B,C là các tiếp điểm) trên cung nhỏ BC lây một điểm M bất kì khác B và C. Gọi I , K ,P lần lượt là hình chiếu vuônh góc của điểm M trên các đoạn thẳng AB ,AC,BC CM <MPK=<MBC Các định vị trí của điểm M trrrn cung nhỏ BC để tích MI×MK×MP đạt giá trị lớn nhất Các bạn giúp mình vs😘🙆
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Task 10. Read the passage, write True (T) or False (F): English as a global language English is the third largest language by number of native speakers, after Mandarin and Spanish. Is has often been referred to as a “world language, the lingua franca of the modern era. English is not an official language in most countries and it is often taught as a foreign language. It is, by international treaty, the official language for aeronautical and maritime communications. English is one of the official languages of the United Nations and many other international organizations, including the International Olympic Committee. Books, magazines and newspaper written in English are available in many countries around the world, and English is the most commonly uses language in the science. Science Citation Index reported as early as 1997that 95% of its articles were written in English, even though only half of them came from authors in English-speaking countries. In publishing, English literature predominates considerably with 28 percent of all books published in the world and 30 percent of web content in 2011(from 50 percent in 200). English is also the global language of many businesses, even outside of the UK, Canada and the USA. If you have an international meeting in France, for example, odds are that you will be asked to speak English, Daimler-Chrysler, Nokia, Renault, Samsung, Technicolor, and Microsoft in Beijing have all said that English is their common corporate language, to name just a few of the largest international companies, but many smaller companies have the same policy. _____ 1. English is amongst the largest language of the number of native speakers. ______ 2. English is often taught as a second language in most countries. ______ 3. English is the only official language of the United Nations and many other international organizations. _______ 4. Most of the science works were written in English. _______ 5. It was reported that as early as 1997, 95% of Science Citation Index’s articles came from authors in English-speaking countries. _______ 6. English is not used in business outside of the UK, Canada and the USA.

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