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fiananjack
2 năm trước
Tính các tổng sau. a) 1 + 2 + 3 + 4 + ...... + n b) 2 +4 + 6 + 8 + .... + 2n c) 1 + 3 + 5 + ..... (2n + 1) d) 1 + 4 + 7 + 10 + ...... + 2005 e) 2 + 5 + 8 +......+ 2006 g) 1 + 5 + 9 +....+ 2001
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1. You should ____________ information about a custom or tradition. A. finds B. found C. finding D. find 2. A tradition is something we do that is special and ____________ down through the generations. A. to passed B. is passed C. passing D. is passing 3. In the UK, there are lots of customs for table manners. For example, we ____________ use a knife and fork at dinner. A. have to B. are having C. has to D. having to 4. In Viet Nam, you____________ use only the first name to address people older than you. A. should B. must C. shouldn’t D. have to 5. At the Mid-Autumn Festival, kids can sing, dance, and enjoy moon-cakes ; ____________, every child likes it very much. A. However B. Moreover C. Because D. Therefore 6. ____________ spring comes, many Vietnamese villages prepare for a new festival season. A. While B. When C. Nevertheless D. However 7.People burn incense to show respect to their ____________ during Tet. A. relatives B. ancestors C. friends D. neighbors 8.The Le Mat Festival ____________ the founding of the village. A. worships B. commemorates C. performs D.preserves 9.Which ethnic group has the largest population in Viet Nam? –“____________” A. Kinh B. Muong C. Tay D. Hmong 10.The Lao is one of ……………… many Thai- speaking peoples. A. the B. a C. an D. A and C

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