Khối lượng muối sau phản ứng được tính bằng công thức sau đúng không ạ: <khối lượng muối sau phản ứng = số mol của muối sau phản ứng × M của muối sau phản ứng>

vẽ hộ mk với ạ Con e mk nó bắt mk vẽ cho nó nhưng mk ko biết zẽ y/c: ko fail, đẹp (xấu bc)

22. “Should I tell my parents what I really think?” Peter asked. A. Peter wondered whether to tell his parents what he really thinks. B. Peter wondered whether he should tell his parents what he really thought. C. Peter wondered if to tell his parents what he really thought. D. Peter wondered whether to tell his parents what he really thought. 23. She advised me not to smoke a lot. A. She said to me: “If I am you, I won’t smoke a lot” B. She said to me: “If I was you, I would smoke a lot” C. She said to me: “If I were you, I wouldn’t smoke a lot” D. She said to me: “If I were you, I will smoke a lot” 24. Although the weather was bad, the farmers kept on working in the fields. A. In spite of the bad weather, the farmers kept on working in the fields. B. Despite the weather was bad, the farmers kept on working in the fields. C. In spite of the bad weather, but the farmers kept on working in the fields. D. Because of the bad weather, the farmers kept on working in the fields. 25. I can’t cook as well as my mother does. A. My mother cook better than I am. B. My mother is a better cook than I am. C. My mother cooks as well as I do. D. My mother is a worse cook than I am.

Living in a city has a number of drawbacks. First of all, there is the problem of traffic jams and traffic (14) ............. The increase in population and the increasing number of vehicles have caused many accidents to happen every day. Next, air pollution (15) ............ affects people’s health, and is also has a bad influence on the environment. More and more city dwellers suffer from coughing or breathing problems. (16) ............ , the city is noisy, even at night. Noise pollution comes from the traffic and from construction sites. Buildings are always being knocked down and rebuilt. These factors contribute to making city life more difficult for its residents. 14. A. calm B. accidents C. light D. legacy 15. A. actively B. weakly C. positively D. negatively 16. A. However B. Therefore C. Moreover D. Although Read the following passage and mark letter A, B, C, or D to indicate the correct answer to each of the questions that follow. After only 50 minute flying from Ho Chi Minh City, you will set foot on the tropical paradise of Vietnam and the world: Phu Quoc Island. The island has a roughly triangular shape with a north-south length of 50km and a west-east width of 25km. A great part of the terrain is filled with beautiful sandy beaches, but there is a mountainous region with 99 peaks, among which the Peak of Chua Mountain is the tallest one at 603 meters. Due to Phu Quoc’s location in the Gulf of Thailand, its climate is sub-equatorial with a temperate weather all year round, making trips to Phu Quoc possible any time in the year. However, the best time to travel to this island is during the dry season, from November until March, when the sky is blue and clear and the rains are away. Phu Quoc is most famous for its the cuisines and a natural wonderful coastline. The most famous food of Phu Quoc is fish sauce, which has become quite popular all over Vietnam and the world. Besides, another thing worth trying there is the spicy yet interesting black pepper. However, the factor that will definitely intrigue you to visit Phu Quoc is its untouched coastline featuring several heavenly beaches. They have yet to be explored to their full ability, but this fact might be actually positive as it gives the shores a romantic beauty that you can find in nowhere else in the world. 17. What is Phu Quoc Island regarded as? A. Pearl of the Orient B. Tropical Paradise C. City of Eternal Spring D. Lanterns Paradise 18. According to the passage, Phu Quoc Island .................... A. has both beaches and mountains B. doesn’t have much tourist attraction C. has the tallest mountain in Vietnam D. doesn’t have rains all the year round 19. Tourists can visit Phu Quoc anytime in the year thanks to . A. its location by the sea B. its friendly local people C. its temperate climate D. its dry season 20. The word “intrigue” has the closest meaning to . A. attract B. promote C. inspire D. pay attention to 21. Which of the following statements is NOT true? A. Phu Quoc Island is located in the Gulf of Thailand. B. The beaches in Phu Quoc Island have been explored to their full potentials. C. Phu Quoc’s dry season begins from November and lasts through March. D. The island is roughly triangular in shape.

Giúp mình với mn ơi. Mai mình nộp r

1. A. champagne B. childhood C. chapter D. charity 2. A. conflict B. forbidden C. reliable D. determine Mark letter A, B, C, or D to indicate the word whose main stress position is placed differently from that of the others in each group. 3. A. skyscraper B. financial C. fabulous D. negative 4. A. adolescence B. multicultural C. metropolitan D. communication Mark letter A, B, C, or D to indicate the correct preposition or adverb particle that completes the sentence. 5. She gave up German in order to concentrate ............ her French. A. for B. to C. on D. with 6. The trip to the National Gallery has been ............. until next Friday. A. put off B. looked into C. turned up D. found out Mark letter A, B, C or D to indicate the word SIMILAR in meaning to the underlined word. 7. She was looking through a magazine as she waited in the doctor’s office. A. checking B. reading C. receiving D. publishing Mark letter A, B, C, or D to indicate the correct word or phrase to complete each of the sentences. 8. My parents always criticize me for not getting good grades at school. I wish they should themselves in my ................ A. shoes B. legs C. pants D. hands 9. I just wish that everything ................... be as it used to be. A. will B. may C. can D. could 10. As soon as I ............ the document, I knew I .............. a mistake. A. will dowload / to make B. had downloaded / made C. download / make D. downloaded / had made 11. Hoa: .................. ? - Nam: Everything is fine. How about you? A.How’s it going? B. How old are you? C. What’s your life? D. What’s the matter? Make letter A, B, C or D to indicate the part that is incorrect: 12. The Muong people are the ethnic minority who live in the mountainous regions of Viet Nam. A. The muong B. the ethnic C. of Viet Nam D. in the 13. Mathematics, one of the compulsory school subjects, play an important role in our lives A. play B. role C. one of D. subjects

Cho hệ phương trình x+2y=2 và mx-y=m (m là tham số) a, Tìm m để hpt có nghiệm duy nhất [Trong trường hợp hệ phương trình có nghiệm duy nhất (x;y)] b, Tìm m để x + 3y=1 c, Tìm hệ thức liên hệ giữa x và y không phụ thuộc vào m

/ $\frac{1}{27}$ ^10 va $\frac{-1}{81}$ ^7 So sanh

làm một bài văn bằng tiếng anh , trong đó phải có từ có âm là st và str chủ đề tự do

LÀ GÌ M