TOÁN LỚP 4 KHÔNG DÙNG SỐ ÂM 1.Tính: 6/7-x=110/14 HELP ME
Make conditional sentences for the following situations. 1. The war will spread everywhere if we don’t stop it. Unless 2. All our beautiful forests will be destroyed if we do nothing to preserve them. Unless 3. If he hasn’t got a ticket, they won’t let him in. Unless 4. If it doesn’t rain, we will have no water to use. Unless 5. These flowers will die if nobody waters them. Unless 6. Do your exercises or you will be punished. Unless 7. The building is too high. He can’t climd up. If 8. That house is too expensive. I can’t buy it. If 9. He didn’t work hard last term, he lost his job. If 10. Mary didn’t have money with her. She couldn’t buy that present. If 11. There was a test yesterday. You didn’t know that, so you didn’t study. If I had known that 12. Your friend was in the hospital. You didn’t know that, so you didn’t visit her. If I had 13. I’ve never met your friend. You didn’t know that, so you didn’t introduce me. If I had 14. It was cold yesterday, so I didn’t not go for a walk. If it 15. I am tired so I can’t cycle to work. If I
Choose the correct adjectives: The boy was so frightened/frightening by the film that he couldn't sleep last night. The end of the film was so moved/moving.
mọi ng giúp mình ạ :v. Không chơi làm sai với làm bừa
Cho 6,5gam kẽm tác dụng với dung dịch axitclohiđric(HCL)tạo thành kẽmclorua(ZnCl2)và khí hiđrô. A.viết phương trình phản ứng xảy ra ? B.tính khối lượng của kẽm clorua tạo thành sau phản ứng. C.tính thể tích khí hiđrô sinh ra ở (đktc
Một hỗn hợp khí CO và Co2 trộn A vố không khí theo thể tích 1:4 dau khi đốt cháy hết khí CO thì hàm lượng phần trăm thể tích của N2 trong hỗn hợp mới thu dc tăng 3,36 % do vs hỗn hợp trc phản ứng .tích % thể tích của hai khí trong hỗn hợp A giả thiết không khí chỉ có N2 O2 trong đó 02 chiếm 1/5 thể tích không khí
nước được bài tiết ra ngoài như thế nào
Tìm số nguyên x để phân số sau cũng là số nguyên 4x/x-4.x thuộc Giúp mjk với cang nhanh càng tốt
I: 1. You should ............ English everyday A. practice B. to practice C. practicing D. practiced 2. My brother war born in 1990 ......... Bac giang. A. on B. in C. at D. of 3. Please turn........... the T.V . I'm studying A. on B. in C. up D. off 4.English is the ........... language on one -fifth of the land area of the world A. office B. official C.officer D. officially 5. He looks ......... today than he was yesterday A. good B. Well C. better D. goodly 6. A lot of trees .......... in the school garden at the moment A. is grown B. is being grown C. are grown D. are being grown 7. She made a deep ......... on all the class members A. impression B. expression C. kindness D. happiness 8. When he lived in the city , he ..... to the theater twice a week A. uses to go B. has gone C. used to go D. was going 9. How about ........ soccer in this afternoon ? A. play B. playing C. played D. to play 10. He is good at studying Chinese ,........? A. is he B. isn't he C. was he D. wasn't he II; 1 . I ( not see ) ......... him since we (leave) ......... primary school in 2000 2. The last train ( leave) ........ the station for HCM city yesterday 3. I wish I ( know ) ........ her new address 4 . What ...... you ( do) ..... at 3p.m yesterday? 5.When I came in , he (sit) ......... asleep in a chair 6. When i (be) ........ a small boy , I used (go fishing) ..........in the countryside 7. Lan ( telephone) ....... me when she comes back 8. Miss Hang's mother is in hospital . - Yes, I know . I ( visit) .. her tomorrow 9. I (read) .......... an interesting book at the moment 10. He (not go)...... to the movies last Sunday
: Một xe máy đi từ M đến N với vận tốc 40 km/h và từ N trở về M phải giảm tốc 10 km mỗi giờ do đường xấu . Thời gian cả đi và về mất 8h45ph . Hãy tính độ dài quãng đường MN ?
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