user-avatar
tranhoai6801
2 năm trước
Câu hỏi: Với bộ truyền chuyển động em đang sử dụng, biết bánh dẫn có số răng 38. bánh bị dẫn có số răng 19. Tính tí số truyền i và cho biết chi tiết nào quay nhanh hơn
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Question II. Read the paragraph and choose the most suitable answer A ,B ,C or D for each of the gaps. I started (1)_______ English when I was 14 years old after five years of studying Russian. In the (2)_______ I encountered some difficulties learning the language, but I tried my (3)_______ to overcome them. Firstly, my English pronunciation was (4)_______ by the way I spoke Russian. To solve this problem, I practiced by listening to tapes in English every day. I played the tape, stopped after each sentence, and (5)_______ the sentence several times. At school, I joined an English speaking club (6)_______ was organised by a teacher from Britain. She understood my difficulty and helped me very much in improving my pronunciation. Secondly, I found it really hard to learn English vocabulary. In Russian, the way you write the word is the way you pronounce it. However, English spelling is often (7)_______ from its pronunciation. To get over this difficulty I started using the dictionary. Whenever I learnt a new word, I looked it (8) _______ carefully in the dictionary. Then I tried to remember the way to read and write the word. After that, I wrote the word down several (9)_______ in a notebook. Gradually, I got (10)_______ to the spelling system of the language. Now I’m confident that my English has become much better. 1. A. getting         B. learning          C. writing          D. reading 2. A. start           B. beginning         C. end            D. begin 3. A. most           B. self              C. best            D. hard 4. A. effected        B. given            C. affected         D. reflected 5. A. said           B. told              C. spoke           D. repeated 6. A. which          B. it                C. and             D. but 7. A. different        B. the same         C. far              D. differ 8. A. down          B. on               C. out             D. up 9. A. ways          B. ways             C. minutes          D. lines 10. A. used         B. remembered       C. well             D. attracted

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team