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minhantqc12345
2 năm trước
Cường độ dòng điện cho biết gì ? Kí hiệu của cường độ dòng điện ?Đơn vị?Dụng cụ đo? Cách mắc dụng cụ đó vào mạch điện.
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III. Chọn đáp án đúng cho mỗi câu dưới đây: 1. She …… doing aerobics now. A. are B. does C. is D. has 2. Lan: “…… are you doing, Mai?” – Mai: “I’m reading books.” A. What B. Who C. Which D. When 3. Mr Anh: “…… sports do you play, Binh?” – “Binh: I play soccer.” A. Where B. Who C. Which D. When 4. What do you do in your …… time? A. home B. busy C. good D. free 5. “How …… do you go swimming?” – Mai: “Once a week.” A. many B. much C. old D. often 6. Thu’s brother plays tennis three …… a week. A. time B. day C. times D. hour 7. My students sometimes …… their kites. A. play B. fly C. flys D. run 8. “…… does Jack often do on Saturdays?” – “He often goes fishing.” A. When. B. Why C. Where D. What 9. How …… seasons are there in a year? A. much B. many C. long D. often 10. George …… before he goes to school. A. usually is swimming B. is usually swimming C. usually swims D. swims usually 11. It’s …… in the summer. A. cold B. hot C. cool D. warm 12. It’s cold in the …… A. Summer B. Winter C. Fall D. Spring 13. Ba goes …… when it’s hot. A. swim B. swims C. swimming D. to the swim 14. An: “What do you …… when it’s hot?” – “Ha: I go swimming.” A. do B. does C. doing D. don’t 15. What do you do …… the Spring? A. on B. in C. at D. of 16. I like Fall because the …… is cool. A. sport B. seasons C. weather D. activities 17. When …… warm, Ba goes fishing. A. it’s B. it C. they D. they’re 18. There are four …… in a year. A. Spring B.Summer C. seasons D.Winter 19. …… you going to visit Hue this summer? A. Do B. Does C Are D. Is 20. Trees drop their leaves in …… A. spring B. summer C. autumn D. winter

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