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vuongthanhan10a3
2 năm trước
Hãy trình bày cấu tạo và hoạt động của máy biến thế ? Viết công thức tính hiệu điện thế và số vòng dây của máy biến thế?
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

II/ Chia động từ trong ngoặc: 1/ He (receive)………….......................... a letter from her aunt yesterday. 2/ She (play)………...........................volleyball now. 3/ Lan (not live)…………................in Ha Noi. 4/ I (go)………............................... to the movie last night. 5/ Nam and Thu (be)………..................students. 6/ He (drink)…………. ..................a cup of milk every morning. 7/ Liz ( go)………. .........................to Nha Trang 2 years ago. 8/ We (have)……….. .....................a picnic next week. 9/ I (do)………................................ my homework now 10/ Where are you living now? I (be/ live)………….............................in Liên Mạc. 11/ Mai (go)...............................................to the school library tomorrow. 12/ What are you going to do tonight? I (watch)....................................a movie. III/ Chọn phương án đúng nhất để điền vào chỗ trống của câu: 1/ Mai is…………..........................her homework now. (doing/ does/ to do/ do) 2/ He is a good basketball player, he plays………….............. (happy / careful / helpful / well ) 3/ Many young people ………………..................video games. (is/ are/ do / play) 4/ She likes pineapples . ………..........................does he. (Either / So / Too / Neither) 5/ Could you show me the way ………....................the railway station, please? (from/ next/ at/ to) 6/ We……………........................to visit their old friends tomorrow. (are going/ going/ like/ will) 7/ How………….........................is it from Hanoi to Hue? (long/ wide/ much/ far) 8/ Nam………..............................a new shirt yesterday. (buy/ bought / buys/ get) 9/ Where………...........................you go last week? I went to Nha Trang. (did/ does/ is/ was) 10/ Yesterday, Nam went to the dentist because he had a……….....(cold/ flu/ toothache/ headache) 11/ We have math and English ........................................Monday and Friday (at/ on/ in/ with) 12/ The Great Wall is the famous place in.............................(Viet Nam/ Malaysia/ China/ Thailand)

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