Đáp án:
-Đặc điểm:
+ Thân hình thoi, thon dài và cổ ngắn
+ Chi trước biến đổi thành vây bơi
+ Chi sau tiêu biến
+ Đuôi biến đổi thành vây đuôi
+Di chuyển bằng cách uốn mình theo chiều dọc
Giải thích các bước giải:
Cb hãy vẽ anime cũng "SONG NGƯ"(tô màu)đẹp nhen. Camon m.n
Câu 1: Virus đã được coi là 1 dạng sống đơn giản nhất chưa? Vì sao? Câu 2: Bất kỳ loại virus cũng có thể xâm nhập vào tế bào có đúng không? Cho ví dụ Câu 3: Tại sao virus phải kí sinh nội bào bắt buộc?
giúp mình với, viết lại câu: 1. Now/ she/ dance/beautifully/ than/ used to. 2. I/ delighted/ get/ your/ letter/ last/ week. 3. Children/ busy/ collect/shells/ the beach
Thu gọn đa thức sau rồi tìm bậc của đa thức đó: b. x^3-5xy+3x^3+xy-x^2+1/2xy-x^2 Giúp với mọi người ơi. Cảm ơn nhiều lắm
: Cho hai góc kề bù xOy, yOx’, biết góc xOy = 140độ. Gọi Ot là tia phân giác của góc xOy. a) Tính số đo góc x’Oy. b) Tính số đo góc yOt. c) Tia Oy có là tia phân giác của góc x’Ot không ? Vì sao ?
IV . FILL IN THE BLANKS WITH THE CORRECT FORM OF THE VERBS: Mai __________________ her teeth. ( brush ) Ba and Lan sometimes _______________ to the zoo on Sunday. ( go ) He ___________________________ to music now. ( listen ) Peter ________________ eating fish. ( not like ) Miss. Thu usually __________________ some vegetables. __________ his mother often _________________ any bananas ? ( have ) They __________________ stories at the moment. ( read ) Listen! Mai and Lan _______________________ TV. ( watch ) I _________________________ beer now. ( not drink ) ____________ you ___________ up early every day ? ( get ) My friend usually ______________ TV on Monday. ( watch ) That girl _____________________ the dishes at the moment. ( not wash ) My grandmother never _______________ books every night. ( read ) Look! the bus ________________________ ( come ) 15Lan and Mai _________________ English at present. ( not speak ) 16. What_________ your father _________in the evening? (do) _He often (watch) _________ TV, but sometimes he (read) _________ books. 17. Where is your brother? - He is in the bathroom. He (brush) _________ his teeth. 18. Mr. Hai (be) _________ a nurse. He works in a hospital in the city center. Every day he (catch) _________a bus to work. 19. I’m thirsty. I’d like (drink) _____________a glass of lemon juice. 20. You can (park) _____________here because this sign says “Parking”. 21. My parents (visit) _____________Ha Long Bay this summer vacation. 22. Let’s (help) _____________Mom, Lan. She (clean) _____________the floor. 23. _____________your mother (walk) _____________to work every day?
Ai giúp mình với thứ 2 mk phải nạp bài r
Câu 2: Việc Pháp tấn công xâm lược nước ta có phải là tất yếu của lịch sử không? Câu 3: Việc nước ta rơi vào tay giặc Pháp có phải là tất yếu ? Câu 4:Vậy trách nhiệm mất nước thuộc về ai? Câu 5:Triều Nguyễncó công và tội gì?
1. “Can you give me some information about the courses ?” She asked me 2. “If I were you, I would not be absent from class yesterday.” I advised Mary 3. He sings well and plays the guitar well. Not only 4. My mother cooks better than Alan’s mother does. Alan’s mother 5. She bought that television two weeks ago. She has 6. The furniture was so expensive that I couldn’t buy it. The furniture was too 7. It has been ten years since Hong stopped playing the piano. Hong hasn’t 8. Scientists have carried out extensive research into renewable energy sources. Extensive research 9. He bought such a lot of books that he couldn’t read them all. So many 10. You haven’t done your homework, have you ? Your homework 11. Is it all right if I borrow your car tonight? Would you mind 12. She has worked as a secretary since she left school. She began 13. Although Tom eats a lot of chocolate, she never puts on weigh. In spite of 14. “When are you going to Nha Trang Beach ?” My uncle asked me 15. Your daughter is too young to watch this kind of horror film. Your daughter is not 16. The teacher made her students study hard at school and at home. Her students 17. What about going to New Age Movie Theater tonight? Why 18. There is a lot of furniture in this room so we don’t have enough space for the meeting. There is so 19. Why don’t you take the medicine ? I suggest 20. What is your date of birth ? When were
Ai giúp mk 2 bài này đi.xin cảm ơn. Nhưng bài này hơi khó. Mong ai đó giúp. Xin cảm ơn Mn.
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