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minhkhoi190905
2 năm trước
Cho hàm số y=f(x)=2x.Hỏi trong mặt phẳng mặt phẳng tọa độ các điểm A(-2;0), B(-1;1), C(2;7), D( -$\frac{3}{2}$ ;2) điểm nào thuộc đồ thị hàm số y=f(x)
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trọng âm Exercise 15 1. A. together B. exchange C. information D. descriptive 2. A. detail B. conclude C. convincing D. continent 3. A. recombine B. intervention C. eradicate D. employee 4. A. initial B. isolate C. community D. humanity 5. A. automobile B. alternative C. practical D. automated 6. A. dependable B. assortment C. suitable D. commercial 7. A. infrastructure B. convenient C. executive D. creative 8. A. schedule B. elastic C. improvement D. equipment 9. A. comfortable B. flexible C. prosperous D. endeavor 10. A. enthusiasm B. chemistry C. explosive D. synthetic Exercise 16 1. A. substantial B. apologize C. numerous D. advancement 2. A. apparent B. arrange C. underground D. display 3. A. interrupt B. potentially C. argumentative D. simultaneous 4. A. seasonal B. extinct C. marine D. fantastic 5. A. tropical B. incredible C. uncomfortable D. behind 6. A. create B. ordinary C. attitude D. scholar 7. A. obtain B. theory C. illustrate D. diagram 8. A. gravitation B. manufacture C. behaviour D. recommend 9. A. messenger B. assistant C. enable D. require 10. A. agree B. religion C. suitable D. occur Exercise 17 1. A. accent B. unlike C. cultural D. climate 2. A. information B. together C. residential D. cosmopolitan 3. A. average B. attractive C. gallery D. numerous 4. A. audience B. exceed C. convince D. assure 5. A. superior B. repetition C. entertainment D. incorrect 6. A. passenger B. explorer C. Italian D. continue 7. A. traveller B. European C. century D. spacecraft 8. A. unmanned B. valuable C. comment D. surface 9. A. leisure B. unnecessary C. result D. repeat 10. A. already B. complain C. arrangement D. temperature Exercise 18 1. A. exist B. unfair C. decline D. menace 2. A. ecologist B. historical C. suspect D. humorous 3. A. deteriorate B. religious C. integral D. persuade 4. A. flourish B. notable C. acclaim D. dominate 5. A. pioneer B. equality C. attempt D. proportion 6. A. imitate B. balloon C. fashionable D. pastime 7. A. capable B. encourare C. designer D. intense 8. A. construct B. efficient C. remember D. influence 9. A. address B. except C. sufficient D. colony 10. A. perspective B. century C. engaged D. nomadic Exercise 19 1. A. migrate B. inhabit C. character D. diversity 2. A. environment B. survice C. inhabitant D. customer 3. A. tolerant B. acknowledged C. prepare D. announcement 4. A. advance B. ancient C. cancer D. annual 5. A. theory B. tragedy C. intend D. govermant 6. A. inspire B. wealthy C. protect D. extinct 7. A. simplicity B. pollution C. electricity D. activity 8. A. mathematics B. statistics C. academy D. mechanic 9. A. serious B. mistake C. circumstance D. original 10. A. valley B. mountain C. peninsula D. scenery Exercise 20 1. A. particular B. impressed C. knowledge D. immense 2. A. excellent B. fertile C. century D. include 3. A. recent B. family C. interesting D. immediate 4. A. forgettable B. important C. periodical D. remove 5. A. appreciate B. relationship C. business D. within 6. A. involve B. benefit C. advice D. consult 7. A. reliable B. novelist C. actual D. physical 8. A. miraculous B. occupation C. occasion D. attach 9. A. prosperous B. musical C. success D. moderate 10. A. exceptional B. composer C. encourage D. preservation

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