Khử fe(2) oxi bằng5,6l khi hidro ở đktc

so sánh giáo dục thế kỉ 10 đến 15 với giáo dục từ thế kỉ 16 đến 18. liên hệ với giáo dục hiện nay

làm bài 2 ạ đầy đủ ạ giúp em vs :(

Ex I: Change the following sentences into negative (Chuyển sang câu phủ định) 1.My mother divided the cake into six. 2.My friend received a new email. 3.My baby brother damaged the toy. 4.The young boy cried for help. 5.Tom collected stamps last year. 6.He carried the heavy boxes upstairs. 7.The baby clapped her hands. 8.The children played computer games. 9.Last week I danced with Jim. Ex II: Change the sentences into questions (chuyển sang câuhỏi) 1.My mother divided the cake into six. 2.My friend received a new email. 3.My baby brother damaged the toy. 4.The young boy cried for help. 5.Tom collected stamps last year. 6.He carried the heavy boxes upstairs. 7.The baby clapped her hands. 8.The children played computer games. 9.Last week I danced with Jim. Ex III: Write positive and negative sentences (Viết câu khẳng định và phủ định) 1. The boys ………………(play) football. The boys………………(not play) basketball. 2. They ………………(work) in an office. They……………….(not work) on the farm. 3. She ………………..(wash) the dishes. She………………..(not wash) her clothes. 4. Lily ……………..(clean) the room. Lily…………….(not clean) the kitchen. 5. The children …………….(play) in the street. The children……………….(not play) in the garden. 6. The baby…………….(cry). The baby……………(not eat) Ex IV: Write sentences in the past: A. 1. I ………….(wash) my hair yesterday. 1. ………….I …………..my hair yesterday? 2. ……….didn’t ………….my hair yesterday. B. 1. My friend ……………..(dance) two years ago. 1. Did………….. …….dance two years ago? 2. My friend…………..dance two years ago. C. 1. The policemen ……………….(stop) the music last night. 1. The policemen didn’t …………..the music last night. 2. …………….the policemen………….the music last night? D. 1. He ………….(study) English when he was five. 2. ………….he study English when he was five? 3. He …………..study English when he was five. Ex V: Correct the mistakes (Sửalỗisai) 1. This morning, Mary didn’t gets up early. 2. In 1999, my mum workeed in a hospital. 3. Did Robby stayed in a hotel during his holiday in Rome? 4. We decided to ordered a pizza yesterday. 5. She passed the exam because she studyed a lot last week. 6. We didn’t lived in QuangNinh in 2015. 7. The boys stoped at the bookshop. 8. Lily and Peter didn’t pushed the door. 9. The baby cryed a lot this morning. Ex VI: Read Last week I was in France with my friend Pierre. It was great. Pierre and I were very lucky. His uncle lives in Paris and he invited us for the weekend. He was very generous. We stayed in his apartment. He was a great tour guide. On Saturday, we visited the Louvre museum. Pierre and his family live in Paris. It is so romantic but expensive. Paris is the best and the most exciting city in the world. Write True or False 1. I was in France last year. ……….. 2. Pierre is my friend. ……….. 3. Pierre’s aunt invited us for the weekend. ……….. 4. We stayed in a hotel. ……….. 5. We visited the Louvre museum on Sunday. ……….. Write ONE WORD 1. I was in ……….with my friend …………. 2. His ………..lives in Paris. 3. Pierre’s uncle was very…………… 4. On Saturday, we ………….the Louvre museum. Answer the questions 1. Where does Pierre’s uncle live?......................................................... 2. Where did you and Pierre stay?......................................................... 3. Where did you go on Saturday?......................................................... 4. Is Paris cheap?............................................................................. 5. Is Paris the best city in the world?..................................................... Ex VII:Read Last Sunday was Tom’s birthday party. His mother, Jane prepared the food and the sweets. Peter cleaned the garden. Tom’s sister, Susan helped her mother. Tom invited many friends. They arrived at about 2 o’clock. Tom opened the door and his friends offered him many presents. After lunch, they played games, listened to music, danced and watched films. In the afternoon, Tom’s mother prepared a lovely birthday cake and everybody started to sing Happy Birthday. They all loved the sweets and enjoyed the party very much. Answer the questions 1. When was Tom’s birthday party?...................................................... 2. Who prepared the food and the sweets?............................................ 3. Who cleaned the garden?.................................................................. 4. Did Tom’s sister help her mother?................................................... 5. What did his friends offer him?....................................................... 6. What did they do after lunch?.......................................................... 7. Did Tom’s father prepare a birthday cake?.......................................

Con mèo ở đây tên j ? :)))))))))))))))))))))))))) sáng dậy ,chiều nghỉ ,tối ăn cơm đêm làm bát phở, có hành thơm 2 giờ ,mở máy ,ngắm mèo đen xen kẽ ngắm mèo là thực hành trời đã canh 3 ,được 2 hiệp sức đã cạn kiệt ,xong mới nhớ bên cạch có ghệ mà ko biết dùng đùng đùng nổi lửa nhưng hết sức thôi chờ đêm mai thực hành sau.

so sánh tình hình về văn hóa, kinh tế, chính trị, ngoại xâm ở nước ta trong giai đoạn: X-XV; XVI-XVIII; XIX

Tìm lỗi sai trong câu: I hope the party after the funeral isn't a sad occasion. People should laugh and remember a funny times.

Định m để phương trình có n với mọi x thuộc R

nêu vị trí và chức năng của tủy sống, hệ thần kinh sinh dưỡng, hệ thần kinh vận động

quy đồng mẫu số các phân số sau : a) 8 / 15 ; -7 / 18 ; 13 / 90 b) 5 / 12 ; -11 / 15 ; 49 / -60 c) 7 / 30 ; 13 / 60 ; -9 / -40 d) 17 / 60 ; -5 / 18 ; -64 / 90