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lamdasilva
2 năm trước
Cho tam giác ABC vuông tại A , phân giác góc B cắt AC tại D , kẻ DE vuông góc BC ( E thuộc BC ). a, Chứng minh : BA = BE b, BA cắt DE tại K . Chứng minh : DC = DK c) CM BK= BC Hỏi câu c thôi ạ
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Bài 1 1, Lan often has …………… big breakfast. Then she goes to work. A. the B. a C. an D. √ 2, The weather today is ……………. better than yesterday. A. more B. much C. very D. so 3, My father is a very good friend of .................... . A. them B. their C. theirs D. themselves 4, Mai is staying …..…….. her uncle and aunt’s house in Ha Noi at the moment. A. with B. on C. in D. at 5, Of all the schools in town, mine is ……………….. . A. large B. larger C. larger than D. the largest 6, John: “How about going to the movies with me on Saturday night?” – Ann: “…………..”. A. Of course not B. Sure, thanks C. It’s my pleasure D. That’s very kind of you 7, Viet Nam is a ……………….. . A. language B. nationality C. country D. capital 8, A bus-stop is a ………….…. . A. bus B. means C. park D. place 9, A: “Would you like some bread?” B: “………….…. .”. A. No, thanks. I’m full B. Ok. I don’t like rice C. All right D. Yes, I would 10, John: “………………..?” Mary: “That’s a great idea.” A. Do you like playing sports B. Can you buy me some apples C. Why don’t we go out for dinner D. May I borrow your pen 11, Ba: “………………..do you visit your uncle?” Nam: “Every other week.” A. Why B. How often C. When D. How long 12, The school cafeteria only opens ………………..lunchtime. A. on B. in C. at D. of 13, There is a good film ………..…… - ………….….. the Thang Long Theater. A. on - in B. in - at C. at - of D. on - at 14. He is one of _______ players in the team. A. better B. the best C. good D. bad 15, Listen! The news on the radio __________very interesting. A. are B. is C. has D. have 16, On ..................... we often go out for dinner. A. nights of Saturday B. Saturday nights C. Saturday’s nights D. none is correct 17, How much is this ..................... of bread? A. bar B. bag C. box D. loaf 18, ..................... book is this, yours or mine? A. What B. Which C. Whose D Who’s 19. Mr Quang: “Who .................that horrible noise?” Mrs Lan: “It’s Ba practicing the violin.” A. makes B. make C. is making D. making 20, This is a/an .................... car. A. American red old B. old red American C. red American old D. old American red Bài 2 1. There (not be ) _______________any milk in the fridge. 2. Le Tam wants________________ (be) a teacher after he leaves school. 3. There are lots of gray clouds in the sky. It (rain)_____________________. 4. Where is your mom now? - She (grow)_________________vegetables in the garden. 5. Children like (ride) ___________________e-bikes to school ? Bài 3 1. What is the __________ of Mount Everest. (HIGH) 2. Is that your____________ house? (BEAUTY) 3. Nam and Mai are good ___________ (FRIENDLY) 4. Mrs. Nga _________us English. (TEACHER) 5. My mother usually goes _________ in the early morning. (JOG) 6. They have a lot of ........................ in the summer. (ACT) 7. This is the ....................... pagoda in Hanoi (OLD) 8. Don't ride too quickly. It is ......................... (DANGER) 9. My house is .................. than yours. (BIG) 10. He greets me in a ......................... way. (FRIEND)

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