Để bơm đầy một khí cầu đến thể tích 100m3 có áp suất 0,1atm ở nhiệt độ không đổi người ta dùng các ống khí hêli có thể tích 50 lít ở áp suất 100atm. Số ống khí hêli cần để bơm khí cầu bằng

Giúp mình với hôm nay mình phải nộp bài rồi giải hết 5 câu này mk sẽ tim 5 sao với cảm ơn đầy đủ ạ

Khi con tu hú gọi bầy Lúa chiêm đang chín, trái cây ngọt dần Vườn râm dậy tiếng ve ngân Bắp rây vàng hạt đầy sân nắng đào Trời xanh càng rộng càng cao Đôi con diều sao lộn nhào từng không... Đề bài : Trình bày cảm nhận của em về tâm trạng của người tù cách mạng được thể hiện trong đoạn thơ trên ( viết đoạn văn khoảng 100 chữ )

Mn giúp em trả lời bài tập trong hình ạ

Mình đang cần gấp giú mình với ạ

UNIT 9: CITIES OF THE WORD- ENGLISH 6

người ta dùng dây dẫn bằng chất nào trong các chất sau đây , xuyên qua cổ bóng đèn điện bằng thủy tinh thường để chỗ hàn luôn luôn được kín :a.sắt b.đồng c.hợp kim platinit d.nhôm

Cuộc kháng chiến ở đô thị phía Bắc vĩ tuyến 16 có kết quả ta: A. Giam chân địch B. Tiêu diệt C. mở lối thoát D. Rút lui

EXERCISE ON REDUCE RCL Task 1: Tick () the sentences in which relative pronoun can be omitted. 1.  The girl who we are going to see is from England. 2.  He works for a company that makes car. 3.  What was the name of the man whom you met yesterday? 4.  The table that was broken has now been repaired. 5.  Do you know the girl whom he is talking to? 6.  This is the novel which we have been expecting. 7.  This is the letter which I received this morning. 8.  People who do some exercise usually keep fit. 9.  Paula won the tennis match which she played yesterday. 10.  The girl whom you sat next to at school is now a famous actress. Task 2.Reduce relative Clauses(V-ING) 1. The boy who is playing the piano is Ben. 2. Do you know the woman who is coming toward us? 3. The people who are waiting for the bus in the rain are getting wet. 4. The scientists who are researching the causes of cancer are making progress. 5. The fence which surrounds our house is made of wood. 6. We have an apartment which overlooks the park. 7. The students who were waiting for their funding from the government were disappointed. 8. The students who come from Japan work very hard. 9. The book which is on the table is Lan’s. 10. The man who is standing at the bus stop is my teacher. Task 3.Reduce relative Clauses(VED/3) 1. The ideas which are being presented in that book are interesting. 2. I come from a city that is located in the southern part of the country. 3. They live in a house that was built in 1890. 4. The photographs which has been published in the newspaper were extraordinary. 5. The experiment which was conducted at the University of Chicago was successful. 6. They work in a hospital which was being sponsored by the government. 7. My father works in a company which was established in 2005. 8. She gave me a book which was written by Mr. John. 9. They will buy a machine which can be operated by solar energy. 10. We are living in a house which had been built by my grandfather. Task 4.Reduce relative Clauses(TO V/ TO BE VED/3) 1. Yuri Gagarin was the first man who flew into space. 2. John was the last man who reached the top of the mountain. 3. The last person who leaves the room must turn off the light. 4. The first person that we must see is Mr. Smith. 5. This is the second person who had been killed in that way. 6. The first person who catches the ball will be the winner. 7. He was the last man who left the party. 8. He was the only boy who knew the answer. 9. It is the next biggest school which was built in 1985. 10. The first person who invented the telephone is Graham Bell.

làm giúp em bài này với.3 phần 5 cộng âm một phần bảy