Bạn tham khảo nhé!!!
Có 2 cách để ΔABC = ΔDMN
C1: Bổ sung thêm góc ACB = góc DNM
C2: Bổ sung thêm cạnh AB = cạnh DM
CHÚC BẠN HỌC TỐT^^^
Cho các chất rắn sau ở dạng bột : BaO, MgO, P 2 O 5 , N a 2 O , CuO, F e 2 O 3 . Nêu cách làm để nhận ra mỗi chất. Viết PTHH xảy ra (nếu có )
giúp mình với nha mn ai giúp được mình dẽ vote 5 sao và cảm ơn nha
Các bạn cho mình hỏi nội dung chính của phần đánh dấu màu đỏ là gì vậy. Mình có đánh dấu lại. Thanks
Mình cần đáp án chính xác,ai ko biết đừng trả lời. Mark the letter A, B, C or D to indicate the most suitable response to complete each of the following exchanges. 9. Bara: “There is a big event in our school at the weekend” Harry: “_______________” A. I’m looking forward it B. I couldn’t agree with you more C. How much? D. It’s terrible 10. Laura: “I’ve got two tickets for the exhibition.” - Mary: “______” A. Oh, let’s go and get the tickets. B. That’s great! When is it? C. Oh, anything else? D. Thanks, I can’t afford the tickets. Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSET in meaning to the underlined word(s) in each of the following questions. 11. Tet is a traditional holiday in Vietnam that occurs in late January or early February. A. begins B. starts C. takes place D. finishes 12. We had a terrific trip with our family in a resort by The Red River last weekend. A. wonderful B. terrible C. bad D. nightmare 13. She is really into package tour because it is very convenient. A. hates B. detests C. is fond of D. is about to Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. 14. He is very lucky when he has freedom to do everything he likes. A. liberty B. openness C. independence D. restriction 15. When you arrive at the airport, come to the check-in desk to show your ticket before getting on the plane. A. check into B. check-out C. go out D. stay in 16. The museum is easily accessible by public transport. A. inaccessible B. reached C. entered D. used Mark the letter A, B, C or D to indicate the underlined part that needs correction. 17. Tan and his lovely cat which the police are finding have disappeared since last week. A B C D 18. Let me congratulate you on pass your exam to university. A B C D 19. The woman who son is excellent in math lives next door to us. A B C D Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. 20. My uncle and aunt live in _______small town in _________United States. A. a - a B. a - the C. the - the D. a - Ø 21. The street food here was so delicious and _________ so I ate a lot. A. afford B. affordable C. afforded D. affording 22. Nha Trang is one of the most famous _______attractions in Viet Nam. A. tour B. tourism C. tourist D. touring 23. We are so proud ________her for telling the truth. A. in B. with C. of D. at 24. He is the most ________activist in the town. A. effect B. effective C. effectively D. effectiveness 25. I lived in Da Lat, ________is one of the most beautiful cities in Vietnam. A. who B. which C. whom D. whose 26. We think that Mother’s Day should be celebrated ________. A. nationhood B. nationwide C. nationality D. nation 27. What ________you go if you had a car? A. would B. have C. will D. did 28. “Paul, where is ________ Spanish dictionary? I’m writing ________ essay in Spanish and I need it.” A. a - an B. Ø - the C. the - an D. Ø - Ø 29. The plane is going to __________so I have to end the phone. A. take up B. take off C. take out D. take over 30. Bill hasn't _________ his mind about what he should bring with him on the trip to Russia. A. come into B. made up C. gone through D. thought of 31. The professor suggested he _____ the research before March. A. summited B. summiting C. summits D. should summit 32. She applied for the job as a personal manager _________she liked meeting people. A. in spite of B. because C. although D. because of
Câu 2: Giả sử trong tương lai em trở thành một nhà khoa học được mời đến Nam cực để nghiên cứu, vậy hành trang em mang theo là gì?
Giải hộ :)))))))))))))))))))))))))
Giúp em câu số 2 ạ em cảm ơn trước ạ
Giúp mik câu d với.Mik đang cần gấp
1. Вӑi tдр vё пhӑ Bài 1: Một hợp chất có phân tử gồm 2 nguyên tử nguyên tô X liên kết với 1 nguyên tử O và nặng hơn phân tử hiđro 31 lần. a) Tính phân tử khối của hợp chất. b) Tính nguyên tử khối của X, cho biết tên và kí hiệu của nguyên tổ (xem bảng 1, trang 42sgk). Bài 2: CTHH hợp chất của Al viết như sau : AICI, ; AINO; ; Al,O; ; Al;(SO,)2 ; Al(OH), ;Al,(PO,)3 Xác định CTHH đúng, sai nếu sai thì sửa cho đúng.
1/ cau tao cay reu don gian nhu the nao? 2/ so sanh dac diem cau tao cua reu va tao ? 3/ tai sao reu song tren can nhung chi o noi am uot? 4/ so sanh voi cay co hoa , reu co gi khac? 1/ cay duong xi gom nhung bo phan nao? 2/ cay duong xi sinh san bang bo phan nao? neu qua trinh sinh san cua duong xi? 3/ than da duoc hinh thanh nhu the nao? 1/ co quan sinh san cua thong la gi? cau tao ra sao? so sanh dac diem cau tao va sinh san cua cay thong va cay duong xi?
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