Khối lượng riêng của Na kim loại bằng 0,97 g/cm³ . Trong tinh thể kim loại natri, các nguyên tử chiếm 74% thể tích ,còn lại là các khe rỗng . Bán kính nguyên tử Na gần bằng (đơn vị pm)

1.Please ……….. round and see me sometime soon. a. go b. come c. take d. turn 2. My alarm clock……………… every morning. a. comes b. goes c. turns d. looks 3. Her joke never quite seem to come………… a. at b. on c. in d. off 4. I hope it would be possible if I ask you to put me ………. a. up b. on c. in d. off 5. A lot of people are taken ………….. by his easy charm. He’s got cruel streak. a. on b. in c. up d. off 6. We’ll put………….. our holiday until Jack has got ………….. the flu. a. up/over b. off/ over c. on/up d. out/up 7. I wonder if they will ever ……. back corporal punishment. a. bring b. come c. look d. get 8. She’s trying to bring………… three children on her own. a. in b. out c. up d. over 9- How are you getting …………..at your school? a. up b. on c. at d. in 10- I don’t know how you ………… his bad behavior. a. put out b. put up c. put up to d. put up with

Cho(O) đường kính AC. trên đoạn OC lấy điểm B và vẽ đường tròn tâm O’, đường kính BC. Gọi M là trung điểm của đoạn AB. Từ M vẽ dây cung DE vuông góc với AB;DC cắt đường tròn tâm O’ tại I. 3. C/m B;I;E thẳng hàng và MI=MD. 4. C/m MC. DB=MI. DC 5. C/m MI là tiếp tuyến của (O’)

GIải hộ mk với mk đang chuẩn bị lên bảng

làm hộ mình nhanhanhaㅆ_ㅆ Read the following passage and mark the letter A, B, C, or D to indicate the correct word or phrase that best fits each of the numbered blanks. Read the following text carefully and choose the correct answer A, B, C or D for each of the gap. Ewan McGregor was (29)_____ in Scotland in 1971. He decided to be an actor when he was only nine and he (30)_____his first film in 1992. So far in his career he has appeared (31)_____ a lot of different types of films, including comedies, musical, dramas and the Star Wars movies. In his career Ewan has worked with like actresses Cameron Diaz and Nicole Kidman, and his films have won lots of awards. He loves acting and when he finished (32)_______ the musical, Moulin Rouge, he said, “I have never been happier to do anything in my life”. 29. A. bear B. born C. bearing D. to bear 30. A. made B. played C. worked D. starred 31. A. at B. on C. with D. in 32. A. to film B. filmed C. film D. filming

1. Lan was brought up…………………... by her grandparents 2. Why don’t you let me show you round…………. the city? 3. She is coming to pick me up…………….. after work. 4. Have you found out……………. what time the train leaves? 5. We had to wait for an hour before the plane took off………………. 6. A shelf fell on my head and knocked me out……………….…. 7. I was so angry when I saw the parking ticket that I tore it up…………..…… 8. A fire has broken out………… in an office block in central London. 9. Mary always talk loudly and shows off…………….….. 10. If you don’t like this part you can leave it out………….…….. Điền : up : 3 lần out : 4 lần round : 1 lần off : 2 lần

Một người đi xe máy từ A lúc 8giờ 20 phút với vận tốc 42km/giờ,đã đến B lúc 11 giờ .tính quãng đường AB

Giúp giúp mình với ạ! Mình cảm ơn ạ!

Giup minh voi voi minh dang can gap

TEST ON ENDING S/ES Exercise 2: Choose the underlined words have pronounced differently from the others. 1. A. neighbors B. friends C. relatives D. photographs 2. A. snacks B. follows C. titles D. writers 3. A. streets B. phones C. books D. makes 4. A. cities B. satellites C. series D. workers 5. A. develops B. takes C. laughs D. volumes 6. A. explains B. wakes C. phones D. names 7. A. phones B. streets C. books D. makes 8. A. proofs B. regions C. lifts D. rocks 9. A. involves B. believes C. suggests D. steals 10. A. serves B. blocks C. banks D. tourists 11. A. remembers B. cooks C. walls D. pyramids 12. A. miles B. words C. accidents D. names 13. A. sports B. plays C. households D. minds 14. A. makes B. views C. reads D. decides 15. A. albums B. tanks C. shops D. plants 16. A. gets B. loves C. sings D. buys 17. A. collects B.cooks C. swims D. claps 18. A. stamps B. friends C. relatives D. guitars 19. A. envelops B. tunes C. books D. guitarists 20. A. athletics B. participants C. efforts D. skills