Bài 2. Khi nghiên cứu sự di truyền bệnh Hunter ở một dòng họ, người ta thu được kết quả sau: Bé trai 4 tụổi mắc chứng bệnh di truyền (bệnh Hunter), có mặt biến dạng, lùn và ngu đần. Cả cha mẹ, người chị 10 tuổi và anh trai 8 tuổi của bé đều không bị bệnh này. Bà mẹ này có người em trai chết lúc 15 tuổi cũng có các triệu chứng bệnh như bé trai 4 tuổi nói trên; đồng thời bà cũng có một người cháu (con trai của chị gái bà) có các triệu chứng tương tự, trong khi chị gái bà và chồng bà ta bình thường. Hãy viết sơ đồ phả hệ của dòng họ trên.

5x^2 -10x-x +2 =0 giải giúp mik cảm ơn

nhanh=hay nhất Câu 2:Chứng minh:Mọi số nguyên tố lớn hơn 2 đều có dạng 4n+1 hoặc 4n+3

Viết chương trình nhập hsi số thưcj

Exercise 9: Give the correct form of the verbs in brackets: used to + V or simple past. (2) 1. I (not play) ...................................computer games when I was a child, but now I (play) ................................... a lot of games in the evening. 2. Mike (not smoke) ...................................before going to the army. 3. There (be) ...................................three parks in our village, but now there (be) ................................... only one. 4. Murat (like) .................................. cheeseburgers, but now he (eat) .................................. healthy food. 5. She (not cook) ...................................before she got married, but now she (cook) ................................... everything. 6. Alex (not have) .............................a mobile phone, but now he (send) .............................. text messages easily. 7. When I was single, I (have) ...................................big parties in my house, but now I (watch) ................................... TV in the evenings. 8. When I was in Vietnam, I (watch) ................................... football matches at the stadium. Now I (watch) ...................................on TV every weekend. 9. A: you (drink) ........................... a glass of milk every morning when you were a child? B: Yes, I did, but now I (drink) ...................................a cup of coffee every morning. 10. My sister (love) ............................... classical music, but she (hate) .............................. it when she was younger.

Nhanh nhé !!! please làm hết ạ và đọc đề bài ( cần hình và cách vẽ nhé )

IV/ Some lines of the following passage contain mistakes. Underline them and write the correct one in the space provided. Maria, from class 7A, has been very ill with cancer last 0/ ___was_____ year and was in hospital for several weeks. She was 1/ ___________ now at home and is getting gooder, but she needs a 2/ ___________ holiday in the sun to help her recover. Class 7A would like raising some money for Maria to have a holiday. 3/ ___________ Can you help our? We are having a meeting in the 4/ ___________ school hall in Friday at four o’clock. Please come and 5/ ___________ ( Nhớ gạch chân từ sai nha )

Exercise 8: Give the correct form of the verbs in brackets: used to + V or simple past. (1) 1. I (see) ..................Marcus at the library working hard. He told me to say hello to you. 2. She (be) .......................a lot happier, but then she lost her job. 3. There (be) .......................three restaurants in this town, but two closed down leaving only one. 4. If you look over there, you can see the field where they (fight) .......................the Battle of Harris Hill in 1509. 5. Did you (take) .......................a lot of photos when you were in Moscow last year? 6. How many hours a day did you (go) .......................to school when you were ten? 7. Children never (talk) .......................so aggressively to their parents. It’s terrible! 8. Soldiers (build) .......................this bridge near the end of the Second World War. 9. Your mother (have) ............................... a Yorkshire Terrier when she was a young girl, didn’t she? 10. When I was five, I (be) .......................able to do incredible gymnastics. Now I can’t even touch my toes.

viết về hoạt động giải trí của bạn bằng tiếng anh ngắn thôi nha tầm 4 5 câu

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