Steve Job is known as a Apple Inc.his smartphone is very popular. Dùng mdqh

. Ở đồng bằng Nam Bộ, những loại đất nào có nhiều? A. Đất mặn, đất phèn B. Đất mặn, đất phù sa C. Đất phù sa, đất phèn D. Đất phù sa, đất mặn, đất phèn Giup minh voi, nghi lau quen kien thuc

Last year , l ___________ one meter and thirty a. am b.is c.waiting d. waited

Đốt cháy m gam S trong O2 dư, khí thu được sau phản ứng được dẫn qua 120ml dd NaOH 1M, thu được dung dịch chứa 2 muối có cùng nồng độ mol. Tính m ?

tìm m để bất phương trình x+2m ≥ 1 có tập nghiệm là S = ( -5 ; + ∞)

1. I usually play football when I have . A. spare time B. good time C. no time D. times 2. In team sports, the two teams against each other in order to get the better score. A. are B. do C. make D. compete 3. draw on the walls and tables, please. A. Do B. Don‟t C. Should D. Shouldn‟t 4. Nam plays sports very often, so he looks very . A. sport B. sports C. sporty D. sporting 5. Last summer, I fishing with my uncle in the afternoon. A. go B. went C. goes D. going 6. Have you ever to London? A. be B. being C. been D. gone 7. People in Tokyo are very polite friendly. A. or B. and C. but D. so 8. Do you know drink in Viet Nam? A. popular B. more popular C. more and more popular D. the most popular 9. When we were in Stockholm, we had coffee and cakes …a coffee shop the Old Town. A. on - on B. at - at C. in - in D. on - at 10. The Eiffel Tower is the most landmark in the world. A. visit B. visiting C. visited D. to visit 11. Super cars will water in the future. A. go by B. run at C. run on D. travel by 12. The robot will of the flowers in the garden. A. take care B. take note C. be careful D. carry 13. The house will have a super mart TV to the e-mails. A. send and post B. send and receive C. get and take D. receive and get 14. pencils and rapper, every student will have a computer. A. By B. Instead C. Instead of D. At 15. We might have a TV to watch TV programmes from space. A. wireless B. remote C. automatic D. local 16. My brother wants to become a to tell TV viewers what the weather is like. A. newspaper B. actor C. weatherman D. producer 17. TV can join in some game shows through telephone or by mail. A. people B. weatherman C. newsreaders D. viewers 18. are films by pictures, not real people and often for children. A. Documentaries B. Love stories C. Cartoons D. Detective stories 19. Are there any good programs teenagers on TV tonight? A. to B. for C. of D. with 20. My father works late tomorrow, so he will the first part of the film on VTV1. A. miss B. lose C. forget D. cut

Cho tam giác ABC . phân giác góc A và góc B cắt nhau tại I .kẻ IM vuông góc AB (M thuộc AB) kẻ IN vuông góc BC (N thuộc BC) kẻ IQ vuông góc AC(Q thuộc AC)1. chứng minh tam giác IMA=t.giácIQA,2. chứng minh IM=IN=IQ

cho x/2=2/4 giá trị thích hợp của x là

giup mink nha 30 diem lận do nha thank

Cho 2.52gm Fe vào đ HNO3 đặc nóng dư sau pư thu được V lít khí NO2(đktc) . giá thị V A.4.48. B.13.44. C.6.72. D.9.86