Nêu tác dụng của biện pháp tu từ trong bài thơ Lượm của Tố Hữu, Mưa của Trần Đăng Khoa.

Cho hỗn hợp X gồm các chất khí sau: CH4, C2H4, C2H2,CO2,SO2 Dẫn X vào dung dịch M (dư) thấy có 4 chất khí thoát ra khỏi dung dịch. Hãy xác định M và các chất khí thoát ra. Viết PTHH xảy ra

2 ô tô khởi hành từ A đến B cùng lúc và đi ngược chiều nhau . Ô tô đi từ A có vận tốc 40,5 km/giờ . Ô tô đi từ B có vận tốc 36,5 km/giờ . Sau 2 giờ thì 2 xe gặp nhau tại C . Hỏi Quang đường AB dài bao nhiêu km ?

Điền từ vào chỗ trống: information accomplished been changed communicate modernization quickly save useful without Computers are now very (1) __________ and important for people all over the world. Computers have (2) __________ in use widely in Vietnam nowadays and they completely (3) __________ the face of Vietnam. -Computers have contributed greatly to the (4) __________ of Vietnam. With the help of computers, we can (5) __________ with the other people thousands of kilometers away in a second. We can know the (6) __________ on science and technology, medicine or education not only in our country but also in other countries very (7) __________. Accounting tasks took a person the whole day to calculate but now it can be (8) __________

Bài 4: a)Tìm m để đa thức f(x)=(m-1)x^2-3mx+2 có nghiệm là x=1 b)Cho đa thức B=x^2-mx+1. Tìm m biết tại x=1 thì đa thức B có giá trị bằng 4

Mọi người giúp em giải câu này với ạ mai em thì r ạ🥺 làm ơn ạ

Toán nâng cao: Nếu viết liên tiếp các chữ cái Việt Nam thành dãy v,i,e,t,n,a,m.ì chữ thứ 2000 là chữ gì?

Một thửa ruộng hình chữ nhật có chu vi 530 ,chiều rộng kém chiều dài 47 m . Tính diện tích của thửa ruộng.

Giúp em với các anh chị oiii :<

Ko giải thích 20. “No, it’s not true.I didn’t steal the money!” Jean said. A. Jean refused to steal the money. B. Jean did not intend to steal the money. C. Jean admitted stealing the money. D. Jean denied having stolen the money. 21. The road is so narrow that cars can not park here. A. The road is too narrow for cars to park here. B. The road is too narrow that cars to park here. C. The road is such narrow for cars to park here. D. The road is so narrow for cars to park here. 22. He can shout even louder but I still won’t take any notice. A. No matter how much louder he can shout, I still will take some notice. B. No matter how much louder he can shout, I still will take some notice. C. No matter how much louder he can shout, I still won’t take any notice. D. No matter how many louder he can shout, I still won’t take any notice. 23. I wish I had gone there with her. A. I hadn’t gone there with her which makes me feel bad. B. If only I went there with her. C. I regret not having gone there with her. D. If I had gone there with her, I wouldn’t have felt bad now. 24. The reasons for his resignation were a complete mystery to some people. A. The reason why he was resigned had been a complete mystery to some people. B. Some people might find it confused to understand his reasons for resignation. C. Some people were completely mystified by the reasons for his resignation. D. Some people were curious about his reasons for his resignation and they considered it a mystery. 25. We have learnt English for 4 years. A. We started to learn English 4 years. B. We started learning English 4 years ago. C. We have learned to start English 4 years. D. We have started to learn English 4 years ago.