Trong một đoạn mạch mắc song song gồm hai điện trở R1 và R2 (với R1 > R2) Gọi U1 và U2 là hiệu điện thế ở hai đầu các điện trở R1 và R2. Gọi I1 và I2 là cường độ dòng điện qua R1 và R2. Điều nào sau đây đúng ? A: I1 > I2 B: U1 < U2 C: U1 > U2 D: I1 < I2

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Finish the second sentence so that it has a similar meaning to the first one. Use the words given. 15. My father is very busy. He always gives a hand with the housework, however.​BUT My father______________________________________________________________________. 16. I am interested in watching TV in the evening.​​​​​ENJOY I _____________________________________________________________________________. 17. A great poet wrote these wonderful poems.​​​​​WRITTEN These wonderful poems___________________________________________________________. 18. Jane went fishing yesterday although it rained heavily.​​​HEAVY Despite________________________________________________________________________. 19. His idea is different from mine.​​​​​​​AS His idea isn’t____________________________________________________________________. 20. Mr. and Mrs. Smith are flying to Ha Noi now.​​​​​TRAVELLING Mr. and Mrs. Smith______________________________________________________________. 21. Van had a motorbike once, but he doesn’t any more.​​​​USED Van___________________________________________________________________________. 22. My father usually goes to work by car.​​​​​​DRIVES My father______________________________________________________________________. 23. This part of the city didn’t have traffic jams very often.​​​USE This part of the city didn’t_________________________________________________________. 24. I used to walk to school when I was young.​​​​​FOOT I used to_______________________________________________________________________. 25. It took us three months to prepare for this festival.​​​​SPENT We____________________________________________________________________________. 26. We often played these games when we were small.​​​​USED We____________________________________________________________________________. 27. What is the distance from the village to the beach?​​​​IT How _______________________________________________________________ to the beach? 28. The teacher was not satisfied with Tam’s essay.​​​​SATISFYING Tam’s essay____________________________________________________________________. 29. The film was very boring.​​​​​​​​INTERESTING The film_______________________________________________________________________. 30. In spite of having to work the next day, Tom watched films on DVD till midnight. HAD TO Although Tom__________________________________________________________________. 31. Our first day at school was exciting​​.​​​​EXCITED We were _______________________________________________________________________. 32. Although she performed well, she didn’t receive good comments from critics. PERFORMANCE Despite her _____________________________________________________________________. 33. We were so interested in the comedy that we laughed from beginning to end. INTERESTING The comedy ____________________________________________________________________. 34. I’m frightened by horror films; however, I enjoy watching them.​​BEING In spite ________________________________________________________________________. 35. Chefs use these machines to mix the ingredients.​​​​USED These machines__________________________________________________________________. Giúp mình với

mọi người giúp em giải với ạ nếu ai trả lời trước ngày 22/3/2020 mà đúng thì em sẽ vote 5 sao cảm ơn 3. Read and fill in each gap with one suitable word. My hobby is reading. I started ____________ when I was a small child. I loved the stories my father told me every night before I slept and have kept them in my ___________until now. As soon as I could I learned to read. I read picture books and funny stories. Now I read everything I find interesting _______ useful. Reading enables me to learn about ________ things. From the books I learn how people live, how things around us go on, learn about the wonders of the ____________, space travel, human achievements and many other things. Books provide ___________ with facts and information. The wonderful thing about reading is that it teaches me how to live and behave well, how to avoid the danger in life. Books will be good ____________ forever. 1. Read the following passage carefully and answer the following questions. Sally Ride, America’s first spacewoman, doesn’t look very different from a lot of other American professional women. She is attractive, with curly brown hair, dark brown eyes, and a bright smile. She likes to dress simply, she wears comfortable but colorful clothes, like many people from California. But in 1983 Sally Ride became America’s first woman astronaut. She was one of the five astronauts on the space shuttle Challenger, which completed a successful six-day voyage in space in June 1983. What makes a woman want to go into space? Sally Ride grew up in Los Angeles, California. Her father is a professor at Santa Monica College, and her mother is a housewife. At Westlake High School for girls, she was both an excellent student and tennis player. Today she still looks like a sportswoman. She is 1.6 metres tall, weighs 52 kilos, and is very fit. When she was still a student, she became a very successful tennis player. She thought about becoming a professional sportswoman but she decided to continue with her studies at college, and later at university. 1. Who is America’s first spacewoman?............................................................................................................ 2. What does she look like? ................................................................................................................... 3. When did she become America’s first spacewoman?............................................................................ 4. How long did she travel in the space shuttle Challenger?........................................................................ 5. What did her parents do?............................................................................................................................ 6. Did she play tennis well? And was she a professional sportswoman?...................................................... 2. Read the passage carefully and choose the best word (A, B, C or D) to fill in each gap. YURI GAGARIN Yuri Gagarin was accepted into the cosmonaut training team in 1960. On April 12, 1961, he made the world’s first (1).................... . In 1967 he started training for his second spaceflight. In February 1968 he (2).................... from the Zhukovsky Air Force Engineering Academy. For services in opening up (3).................... he was decorated with many orders and medals of the Soviet Union, and Hero of Socialist Labour in Czechoslovakia, Bulgaria and Vietnam. He was an(4).................... citizen of 14 cities in the USSR and other countries, a deputy to the Supreme Soviet and a (5).................... of the Central Committee of the Lenin Kom-somol. Yuri Gagarin was remembered by the millions of people who saw him, and by the thousands (6).................... knew him. “Gagarin’s name,” wrote Academician Boris Petrov, “will never (7).................... from the history of world civilization.” Yuri Gagarin (8)............... in 1968 in a plane crash and was buried in the Kremlin Wall in Moscow’s Red Square. 1. A. space travel B. spaceflight C. space tour D. space visit 2. A. studied B. trained C. educated D. graduated 3. A. space B. world C. universe D. horizon 4. A. honor B. honorary C. honorable D. honored 5. A. member B. man C. citizen D. person 6. A. men B. people C. which D. who 7. A. erase B. be erasing C. be erased D. erasing 8. A. died B. killed C. was died D. was killed