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lethiquyenquyen258
2 năm trước
Cho đa thức : P(x) = x^3 + ax^2 +bx +c Biết P(1) = 2 ; P(2) = 4 ; P(3) = 6 Khi đó P(0) + P(4) bằng bao nhiêu? giải chi tiết giúp mình nha!
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VIII. Read the text and answer the questions below Richard Ryan is stuck in traffic. There must be an accident somewhere up ahead because he's been sitting in the same spot for the last few minutes. The cars aren't moving at all. It looks like it's going to be another slow commute. Even though he left his house early to beat the traffic, if the cars don't start to move soon, Richard will be late for a very important meeting. He has to meet with some lawyers who are advising his company on a construction project. Richard is the president of a big company. If he's late, he won't get in trouble, but he hates to be late for anything. Sergey is stuck in the same traffic jam, and he's headed to the same meeting that Richard is going to. He's worried about being late, so he gets out his cell phone and calls one of his coworkers to tell her that traffic is bad. Sergey doesn't know that his boss, Richard, is in the same traffic jam. If he knew that, he wouldn't be so tense. Sergey has a reputation for being late to work. He always blames it on the traffic. Everyone tells him he has to leave his house earlier to beat the rush. Sergey likes to stay out late at night, so it's not easy for him to wake up early. Both Richard and Sergey live in California where traffic congestion and delays are common problems. Richard is thinking about moving his business to a new location that's closer to the downtown business district where most of his employees live. If he did that, Sergey could ride his bike to work and forget about getting stuck in a traffic jam. 65. What is most likely the reason why Richard Ryan is stuck in traffic? ....................................................................................... 66. Which position of Richard Ryan in his company? ....................................................................................... 67. What are Richard and Ryan heading? ....................................................................................... 68. Why does Sergey call his co-workers? ....................................................................................... 69. What could Sergey do if Richard moved his business to where most of his employees live? .......................................................................................

7. Last summer Hugo went (1)…………. holiday for two weeks to the island of Sardinia. He (2)………… in a hotel which had a wonderful swimming (3)……….. and beautiful views of the sea. It was in a village where the local people went (4)………. in the winter, and foreign visitors came in the summer. Hugo spent his (5)………. day on the beach, but on the second day left very ill. First he was too hot, then he was too cold. He couldn’t understand why he left (6)………. that. So he went to see the local doctor, who was a very nice man, and (7)……….. English was excellent. “ Summer is time when people often feel ill,” the doctor said. “ It’s too hot for most of us! (8)………. this medicine, and stay out of the sun.” Hugo took the doctor’s (9)………… , and stayed in his room for the rest of his holiday. He soon felt better. “ (10)…………. a cheap holiday!” he thought happily. 1. A. to B. for C. on D. in 2. A. lived B. rented C. hired D. stayed 3. A. pool B. suit C. place D. pot 4. A. fish B. fishing C. to fish D. catch fish 5. A. one B. early C. first D. next 6. A. like B. as C. so D. X 7. A. spoke B. an C. who D. whose 8. A. eat B. drink C. take D. have 9. A. advices B. advice C. advise D. advises 10. A. How B. It C. What D. That

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