Viet mot doan van dien dich Khoang 12 Cau phan tich de lam ro than phan tam trang cua con ho duoc hien len qua kho tho noi tren trong doan van Co su dung mot cau Cam than ( gach Chan tu do)

Question I. Circle the best option A, B, C or D to complete each sentence. 1.My students love _________ English very much. A. learn B. learnt C. learning D. to learn 2.My house __________________ yesterday. A. repaired B. is repaired C. was repaired D. were repaired 3. I don’t have a computer at home, _________I can’t get access to the Internet. A. however B. so C. although D. but 4. Please turn _______ the light when you leave the room. A. on B. off C.up D. down 5. The children in my home village used ______ bare-footed, even in winter. A. to go B. went C. goes D. going 6.If I _________________free time , I will go swimming. A. have B. has C. is having D. will have 7.Every nation has respect for their long-preserved ______. A. behaviours B. practices C. traditions D. traditional 8.They have seen this film, _________________ A. do they B. don’t they C. haven’t they D. have they 9. Nam looks forward to _____ Giang soon. A. see B. seeing C. seen D. saw 10. I invited him to join our trip to Ha Long Bay , but he ______ down my invitation. A. passed B. sat C. turned D. closed 11. They have moved to England ____________ 1999. A. since B. at C. on D. in 12.We have to try harder so that our handicrafts can keep _____ theirs. A. on B. up C. up with D. up down

Cho một lượng dư dung dịch AgNO3 tác dụng với 100 ml dung dịch chứa hỗn hợp NaF 0,4M; NaBr 0,5M và NaCl 0,2M. Khối lượng kết tủa thu được là: A. 12,27gam B. 17,35gam C. 9,4 gam D. 13,6 gam

số lượng dầu ở thùng 1 bằng hai lần số lượng dầu ở thùng 2 nếu bớt ở thùng 1 đi 75 lít và thêm vào thùng 2là 35 lít thì lượng dầu của hai thùng bằng nhau. hởi lúc đâu mỡi thùng có bao nhiêu lít dầu.

Các bn giải giúp mik bài 2 nhé Cảm ơn các bn nhìu

1.It ___________ very cold this year. I wonder when it ___________ warmer. (BE, GET) 2.I ___________ over Loch Ness last week. - ___________ the Loch Ness monster ? (FLY, YOU SEE) 3.________________ your hair long when you were at school ? Yes, my mother ___________ it like that. (YOU WEAR, WANT) 4.When he she ___________ by the window. She ___________ at something in the street, but when he ___________ her she ___________ and ___________ at him. (AWAKE, SIT, LOOK, CALL, TURN, SMILE) 5.She said that the car ___________ at 40 m.p.h. when it ___________ to skid. (TRAVEL, BEGIN) 6. Why ___________ so fast today? You usually___________ quite slowly.( YOU WALK, WALK) 7. This car ___________ a very strange noise. ___________ it is all right ? (MAKE, YOU THINK) 8. It ___________ for three days now. The roads will be blocked if it ___________ soon. (SNOW, NOT STOP) 9.He ___________ ten letters before breakfast. (WRITE) _________________ my friend Cyril lately? (YOU SEE) - N o, I ___________ him for more than a week. (NOT SEE) 10.How long ___________?(YOU WAIT) He ___________ his watch while he ___________ the sights of the city.(LOSE, SEE) 11.A few years ago he ___________ in Germany where he ___________ as a journalist. (LIVE, WORK) 12.I ___________ down the stairs when my friend ___________ the doorbell. (JUST COME, RING) 13.My mother ___________ fish when the doctor arrived. (PREPARE)

Một hiđrocacbon X Khi đốt cháy tuân theo phương trình hóa học sau : 2x + 5 O2 -> 4y + 2 H2O Hidrocacbon X là .

cho ab + bc + ca = 1 CM A=(1+a^2)+(1+b^2)+(1+c^2) là số chính phương

giải giúp mình nhé cậu mình sẽ đánh giá 5sao

Giúp mình ý 1 bài 3 với mn ơi. Mình cảm ơn