Đáp án:
$d_{A}/H2 = M_{A}/2 = 32 => M_{A} = 32.2 = 64 (g/mol)$
Choose the word which has the underlined part pronounced differently from the others. thick theatre breath clothing (GẠCH DƯỚI CHỮ TH)
Giúp mk vs ạ Vote 5s cho nha😎
giúp mình trả lời câu 38.4 nha và giải chi tiết hứa trả sao
Giúp mình nhé các bạn ơi mình sẽ vote 5 sao
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Viết chương trình để giải phương trình bậc 2.
1. Students with..................... impairment at Nguyen Dinh Chieu School for Blind Children use …………… kits. (vision - education) 2. The school provides early.......................... for children with learning ……………..(intervene — difficult) 3. The school also supplies talking book ................................... (produce) 4. Thuan An Center for hearing-impaired children in Lai Thieu serves as a.................................... school for university students from Ho Chi Minh City University of Education. (practice) 5. In addition, Vietnamese.......................... massage courses are provided for blind adults in the city. (tradition)
\Điền giới từ 29.Marie Curie was born Poland 1867. 30.He’s always good telling funny stories. 31.Uncle Ho died Ha Noi 1969. 32.Charles Dicken was famous his novels. 33.The street is full of traffic from morning night. 34.What’s television tonight? 35.My aunt takes care sick children the hospital. 36-I know how to take care ………….. myself. 37- Don’t forget to wash your hand ……………. meals. 38- You should clean your teeth ………………..meals. 39-She is always worried ……………….her children. 40- Coffee is not good ………………. Children. 41- My mother bought a new dress ………….me yesterday. 42-She often helps her mom ……………..the housework 43. Her family moved………… a new apartment last week. 44. How did you return……… HN? – By plane. 45. I live far………. my close friend but we keep …… touch by phone calls and e-mail. 46. I help my mother ………..a lot of housework yesterday. 47. What did you buy………..your friend on her birthday? 48. My aunt often makes clothes………me. She is very good ……sewing. 49. Liz helps me a lot……………..my stamp collection. 50. Did you tell your classmates………..your vacation…………Nha Trang?
1. VTV3 is a/an___________ television channel in Viet Nam. A. local B. national C. international 2. A man on a television or radio programme who gives a weather forecast._____________ A. TV Viewer B. newsreader C. weatherman 3.My family enjoys watching game shows __________ they are very exciting and interesting. A. so B. because C. but 4. Hello Fatty is a(n) ________TV cartoon series for kids. A. entertain B. educate C. popular 5. A: ________do you play badminton? B: I play it three times a week. A. How often B. Who C. When 6. We use ____________ to change the channel from the distance. A. TV screen B. remote control C. volume button 7. What’s your ____________TV programme? - It’s cartoons. A. best B. like C. favourite 8. This programme will tell people about life of animals in the world. It’s a/an _________ A. game show B. animal programme C. quiz show 9. Are there any good programmes __________ teenagers on TV tonight? A.to B. of C. for 10. PTQ is a___________ television in Viet Nam. A. national B. local C. national 11. .My friend is a(n )_______ He reads out the reports on a local television. A. newsreader B. comedian C. MC 12. _________the newsreaders on BBC One reads very fast, my brother can hear everything in the news. A.but B. although C. because 13. If you want to know what the weather is like tomorrow, watch the ___________ A. game show B. weather forecast C. music show 14. Disney channel is one of the most popular channels __________ children . A.to B. of C. for 15. Children love Let’s learn because they make ___________fun. A. education B. entertaining C. educate 16. We use ____________ to change the volume on TV. A. TV screen B. remote C. volume button 17. ____________days a week do you go to class? – I go to class five days a week. A. how often B. how many C. When 18. TV __________ can join in some game shows through telephone or by email. A. weathermen B. people C. viewers 19. Find the word which has different sound in the underlined part . A. although B. nothing C. healthy 20. Find the word which has different sound in the underlined part. A. then B. them C. thing
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