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choΔ ABC vuông tại A B=60 độ M là trung điểm của HC D ∈ tia đối của HA sao cho MP = MA a) chứng minh Δ AHM = ΔDCM b)tính góc ACD c)vẽ HN vuông góc với AB tại N K ∈ tia đối của NH sao cho NK = NH chứng minh AK = CD d)chứng minh K,H,D thẳng hàng
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1. You’re not a safe driver! You should drive .................. A. careful B. careless C. more carefully D. most carefully 2. Their children have all grown.................. and left home for the city to work. A. up B. out C. out of D. inside 3. I was disappointed as the film was .................. than I had expected. A. as entertaining B. less entertaining C. more entertaining D. few entertaining 4. The city has recently set .................. a library in the West Suburb. A. up B. off C. out D. on 5. The last exhibition was not .................. this one. A. as interesting B. so interesting than C. so interesting as D. more interesting 6. I don’t think Nick gets .................. with John. They always argue. A. over B. in C. through D. on 7. Your city is developing .................. my city. A. so fast B. as fast as C. faster D. the fastest

trọng âm Exercise 21 1. A. resources B. increase C. farmland D. disaster 2. A. iron B. metal C. forest D. dessert 3. A. technological B. population C. communication D. information 4. A. hostility B. microchip C. equality D. destruction 5. A. humble B. concern C. orphan D. terrible 6. A. adequate B. reveal C. construction D. together 7. A. experience B. discomfort C. support D. friendship 8. A. numerous B. admit C. occasion D. attempt 9. A. immediate B. success C. eagerness D. phonetic 10. A. conference B. horrible C. experience D. language Exercise 22 1. A. result B. strengthen C. forget D. abolish 2. A. suggest B. relate C. empty D. effect 3. A. colleague B. available C. different D. sacrifice 4. A. discovery B. researcher C. remain D. label 5. A. identify B. continue C. popular D. consumer 6. A. product B. satisfy C. mistake D. however 7. A. approval B. novel C. compulsory D. illusion 8. A. inversion B. miserable C. pleasant D. difficulty 9. A. establish B. rely C. project D. require 10. A. organize B. embarrass C. discourage D. surrounding Exercise 23 1. A. chemical B. accumulate C. opinion D. available 2. A. computer B. machine C. instant D. appliance 3. A. eventual B. electricity C. popularity D. volunteer 4. A. deliver B. avoid C. manage D. advise 5. A. cooperate B. enough C. discuss D. saturate 6. A. alternative B. energy C. process D. temperature 7. A. potential B. possess C. survival D. current 8. A. burglary B. employment C. courageous D. dependent 9. A. comment B. nourish C. marine D. landscape 10. A. obstacle B. government C. courage D. dismiss Exercise 24 1. A. opportunity B. decoration C. temperament D. expectation 2. A. particular B. equipment C. identify D. miracle 3. A. complete B. command C. common D. community 4. A. journal B. mourning C. calcium D. although 5. A. memory B. compare C. connect D. upgrade 6. A. stimulate B. permanent C. fertilizer D. variety 7. A. accelerate B. digestive C. disorder D. infantry 8. A. convenient B. previous C. management D. purchase 9. A. deliberate B. dramatist C. discovery D. improvement 10. A. redundancy B. comparison C. maintenance D. capacity Exercise 25 1. A. interview B. essential C. industry D. comfortable 2. A. confirm B. convenient C. tranquility D. awkward 3. A. industrial B. destruction C. extreme D. energy 4. A. behaviour B. requiremenht C. abundant D. estimate 5. A. historical B. general C. obvious D. mordernize 6. A. continent B. permission C. circumstance D. interest 7. A. recycle B. completely C. introduce D. alternative 8. A. religious B. miserable C. perform D. include 9. A. significant B. quantity C. committee D. believable 10. A. ambitious B. constant C. investment D. exhaust

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