Exercise 1

1. Detroit is renowned for the………….. of cars. PRODUCE

2. If you make a good……………… at the interview, you will get the job. IMPRESS

3. Teaching and medicine are more than…………………., they're professions. OCCUPY

4. My history teacher has a vast…………………. of past events. KNOW

5. You are never too old to go to college and gain some……………. QUALIFY

6. My greatest…………….. was graduating from the university. ACHIEVE

7. The weatherman said there is a strong…………… of rain today. POSSIBLE

8. Some old laws are no longer……………….. EFFECT

9. Athens is…………………. for its ancient buildings. FAME

10. He was caught shoplifting so now he has a……………….. record. CRIME

11. Despite her severe………….., she fulfilled her goals in life. DISABLE

12. Being……………. is the worst thing that can happen to someone. EMPLOY

13. If you buy presents in the summer your…………………… can be very high. SAVE

14. Due to the pilot's…………………, the copilot managed to land safely. GUIDE

15. It's important to also see the less………………… sides of the job. DESIRE

16. I was surprised at his………………… to give up. REFUSE

17. Children are by nature………………….. of danger. AWARE

18. She is always……………. towards her parents. RESPECT

19. The hospital has the best medical……………. and fast ambulances. EQUIP

20. You can relax in the comfortable………………….. of the hotel. SURROUND

21. The…………………….. looked dark and there were hardly any other guests. ENTER

22. Artists must be…………………., otherwise they just repeat what they see or hear. CREATE

23. Why are you so……………… of his work? He's just doing his best. CRITIC

24. Have you made up your mind? We need to know your ……………as soon as possible. DECIDE

25. He's too shy to look people …………………… when he talks to them. DIRECT

26. Have they put the Christmas………………….. yet? DECORATE

27. They put too many unnecesary ……………………… in food. ADD

28. I ……………… think that there's no point in arguing with him. Just ignore him. HONEST

29. Extraterrestrial life has not been…………………. proved yet. SCIENCE

30. Why don't you call the …………………. if the lights don't work? ELECTRIC

31. Music and television are forms of………………… ENTERTAIN

32. The concert didn't live up to our………………… EXPECT

33. The electric company admitted their ………………… for the blackout. RESPOND

34. Did you use to have …………………… as a child? ALLOW

35. I don't like those trousers, no matter how …………………….. they are. FASHION

36. Life ……………….. varies according to country and gender. EXPECT

So sánh 2 số:

\(A=\dfrac{1}{2006}\) và \(B=\dfrac{1}{2008}+\left(\dfrac{1}{2008}+\dfrac{1}{2008^2}\right)^2+...+\left(\dfrac{1}{2008}+\dfrac{1}{2008^2}+...+\dfrac{1}{2008^{2007}}\right)\)

Trọng âm nha ^^

Cho hình bình hành ABCD có \(\widehat{A}=120^0.\) Ở phía ngoài hình bình hành cẽ các tam giác đề ADF và ABE

a) Tính \(\widehat{EAF}\)

b) CM: Tam giác CEF là tam giác đều

(vẽ dc hình rùi, các bạn giải giúp thui nha ^^ )

Cho \(x\le1\); \(x+y\ge3\). Tìm giá trị nhỏ nhất của biểu thức \(B=3x^2+y^2+3xy\)