Đặt một thanh thủy tinh đã bị nhiễm điện sau khi cọ xát với lụa, lại gần các vật A, B, C đã bị nhiễm điện ta thấy: Thanh thủy tinh đẩy vật B, vật B hút vật C, vật C đẩy vật A. Vật A, B, C mang điện tích gì?

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VI. WRITING Exercise 1. Make questions for the underlined parts in the following sentences. There is an example in the beginning. 1. She was born in 2005. When was she born? 2. I’m watching a TV show at the moment. _____________________________________________________________? 3. The children are playing in the park. _____________________________________________________________? 4. They get to school by bus every day. _____________________________________________________________? 5. We play sport because it’s good for our health. _____________________________________________________________? 6. Mr Smith teaches us English at school. _____________________________________________________________? 7. This is Tom’s bike. _____________________________________________________________? 8. There are forty students in my class. _____________________________________________________________? Exercise 2. Join these pairs of sentences in different ways, using a suitable conjunction: and, but, so, because or although. There is an example at the beginning. 1. It is raining heavily. They can’t go for a walk. => They can’t go for a walk because it is raining heavily. => It is raining heavily, so they can’t go for a walk. 2. Tom can play the guitar. He can also play the piano. => ____________________________________________________________. => ____________________________________________________________. 3. I love ice cream. I don’t eat it often. => ____________________________________________________________. => ____________________________________________________________. 4. Hoa lived in Great Britain for many years. She speaks English very well. => ____________________________________________________________. => ____________________________________________________________. 5. It rained a lot. We enjoyed the holiday. => ____________________________________________________________. => ____________________________________________________________. ai làm dc mik tích cho 5 sao cộng 1 cảm ơn

I.Odd one out: 1. A. city B. tower C. village D. address 2. A. house B. busy C. quiet D. crowded 3. A. lane B. street C. road D. floor 4. A. worker B. farmer C. work D. driver 5. A. how B. village C. where D. who 6. A. small B. quiet C. noisy D. center 7. A. reading B. jump C. skip D. dance 8. A. Chinese B. Vietnamese C. American D. Japan 9. A. crowded B. countryside C. noisy D. modern 10. A. eat B. had C. went D.enjoyed II. Choose the correct answer: 11.Ha Noi is a big ............. in the north of Viet Nam. A. street B. city C. town D. lane 12.His.......... is 52 Tran Phu Street. A. class B. road C. town D. address 13.There are two tall ...........in my street. A. tower B. towers C. town D. mountains 14. Linda :Who do you live ........?Mai: I live ........... my parents . A. in –in B. for –for C. with-with D. at -at 15.Ha Noi and Ho Chi Minh City are two big........in the country. A. city B. country C. cities D. countries 16.Mai : Where do you live , Trung ?Trung : I live .......... Flat 18 ........ the second floor.............. Ha Noi Tower. A. in -on –to B. of -in -on C. in -on –of D. on -in –in 17............. did she go yesterday morning? She went to the bookshop. A. What B. Where C. When D. Why 18............. is that ? It's my teacher. A. What B. Who C. Where D. How 19. Does she like sandwiches ?....... A Yes, she do B. Yes, she is C. Yes, she does D. Yes, she like 20. He is................... Vietnam A. from B. on C. in D. At 21. I don't like Maths...........it is difficult. A. and B. but C. so D. because 22. Where were you yeterday? A. I went to the zoo. B. I was at home C. He was at home D. I took a boat trip. 23. What's the matter............you? A. in B. with C. on D. of 24. Do you like English? Yes,I.......... A. do B.am C. like D. don't 25. He often..................to school in the morning A. go B. going C. goes D. to go 26. They are from................................... A. Singapor B. Vietnamese C. English D. American 27. His birthday is........................ the first of June A. at B. on C. in D. about 28. A........... works in a hospital. A. teacher B. worker C. nurse D. farmer 29. We went to the cinema.............................. A. today B. yesterday C. tomorrow D. next Sunday 30....... your birthday? It's in May. A. What's B. When's C. It's D. Where's 31. Would you like..... milk? No, thanks A. an B. a C. some D. one 32. Can you swim, Mai? No,...... A. I can B. I can't C. he can D. he can't 33. What..... does Peter have at school? -He has Maths, English, Art.... A. lesson B. subjects C. subject D. English 34. Why do you like Music? Because I like...... A. to read B. to draw C. to write D. to sing 35. What's the matter............. you? A. for B. to C. with D. on 36. Yesterday they ......... to Ha Long Bay. A.went B.go C.are going D.to go 37. How often do you visit your uncle and aunt? -......... A. Once a week B. One a week C. Two a week D. Twice week 38.Nam often ....... to the zooon Sundays. A. go B. goes C. going D. is going 39. There are four ....... in a yearspring, summer, fall and winter. A. activities B. pastimes C. weather D. seasons 40. What did the peacocks do______ you were there ? A. when B. where C. why D. went