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chunganh123
2 năm trước
Cho tam giác ABC vuông tại A có AB = 12cm AC = 16cm vẽ đường cao AH. a) Tính độ dài AH và diện tích của tam giác ABC b) vẽ đường phân giác AD của tam giác ABC (D thuộc BC) tính BD và CD c) trên AH lấy K sao cho AK = 3.6cm từ K kẻ đường thẳng song song BC cắt AB và AC lần lượt tại M và N tính diện tích tứ giác BMNC
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​PHONETICS I.​Find the word which has different sound in the underlined part. ​1.​A. rest​B. help​C. garden​D. identify ​2.​A. traffic​B. pavement​C. plane​D. station ​3.​A. sign​B. mistake​C. triangle​D. drive ​4.​A. nearest​B. head​C. bread​D. health ​5.​A. railway​B. mail​C. sail​D. captain B.​VOCABULARY AND GRAMMAR I.​Complete the sentences with the correct form of “used to” and the verb in bracket. ​1. ​​​​(you/ enjoy) maths at school? ​2. I ​​​(not like) flying, but I love it now. ​3. We ​​​(be) friends, but we don’t get on now. ​4. ​​​​(John/ work) for IBM before he came here? ​5. Winters ​​​​(not/ be) as cold as they are now. ​6. She​​​(live) with her mother, but now she lives with her father. ​7. I ​​(not do) any exercise. ​8. ​​​​(he/ play) for Manchester United? II.​Choose the correct option for each gap in the sentences. ​1.​Drivers have to​their seatbelt whenever they drive. ​A. put​B. tie​C. fasten​D. put on ​2.​We should wait for the traffic lights​​before we cross the street. ​A. turn green​B. to turn green C. turn yellow​D. to turn yellow ​3.​All of us have to obey​​strictly. ​A. traffic rules​B. traffic​C. traffic jam​D. regular ​4.​Cyclists and motorists have to wear a​​when they ride a motorbike. ​A. hard hat​B. cap​C. mask​D. helmet ​5.​He forgot to give a​​before he turned left and got a ticket. ​A. signal​B. sign​C. light​D. hand ​6.​​does it take you to get to Ho Chi Minh City by plane? - About 2 hours. ​A. How far​B. How much​C. How long​D. How many ​7.​There​​a bus station in the city centre, but it has been moved to the suburbs. ​A. used to be​B. used to have​C. use to have​D. were ​8.​I​marbleswhen I was young, but now I didn’t. ​A. play​B. used to play​C. have played​D. didn’t use to play ​9.​“​is it from your house to the nearest bus stop?” - “About 50 meters’ ​A. How far​B. How long​C. How often​D. How much ​10.​We should​​the street at the zebra crossing. ​A. walk​B. walk on​C. walk through​D. walk across ​11.​Lan used to go to school ​​. ​A. with bicycle​B. by foot​C. in car​D. by bus ​12. Public ​​in my town is good and cheap. ​A. transport​B. tour​C. journey​D.travel ​13. _______ is not very far from here to the city center. ​A. That​B. This​C.It​D.There ​14.​When there is a traffic jam, it​​me a very long time to go home. ​A. costs​B. takes​C. lasts​D.spends ​15. Mai’s dad usually drives her to school​ her school is very far from her house. ​A. but​B. though​C. because​D. or ​16.​Yesterday Hoa and Lan​round West Lake. It took them an hour. ​A. cycle​B. cycles​C. cycling​D.cycled ​17.​Minh used to​​his homework late in the evening. ​A. does​B. do​C. doing​D. did ​18.​If people​​the rules, there are no more accidents. ​A. follow​B. take care of​C. obey​D.remember ​19.​You should​​right and left when you go across the roads. ​A. see​B. look​C. be​D. take ​20.​Hurry up or we can’t ​​the last bus home. ​A. keep​B. follow​C. go​D. catch III.​Write sentences with “it”. Use these cues. ​1.​120 km/ Ho Chi Minh City/ Vung Tau ​​​ ​2.​384,400 km/ the Earth/ the Moon ​​​ ​3.​not very far/ Ha Noi/ NoiBai Airport ​​​ ​4.​500 meters/ my house/ nearest shop ​​​ ​5.​700 meters/ my house/ Youth Club ​​​ ​6.​five km/ my home village/ nearest town ​​​

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