Sục v lít khí (đktc) khí co2 vào 500 ml đ ca(oh)2 dư ,sau phản ứng thu đc m bằng10 gam kết tủa và dd X a tínhv b để trung hòa đX cần 200 ml đ hcl 1 M .nồng độ mol dd ca(oh)ban đầu

I. Read the paragraph and find eight /eə/ words and five / iə / words. Mary is sitting on the chair. She’s enjoying the fresh air. I can hear her clear voice singing a song. Where’s Tom? He’s playing with a really nice toy aeroplane by his teddy bear. Where are their parents? They’re there, drinking beer with their peers. /eə/ : …………………………………………………………………………….. / iə/ : ……………………………………………………………………………..

Tropical forests have provided us with many kinds of food, medicine and industry. They also reduce flood, keep water clean and slow down the Greenhouse Effect. However, thể tropical forests are being destroyed to make for farm and fields. Besides that, forests fires are the most terrible destruction. About 20 million hectares of forests which are in danger.....It's time for the govemments to think about the forests and their importance. Furthermore, people should plant more trees to prevent the Greenhouse Effect. 1. Tropical forests are important to man in many ways. _________ 2. Farms, fields are the causes of the loss of forests. _________ 3. Fires destroy about 20 million hectares of forests. _________ 4. Everyone must work together to protect and save forests. _________

Điểm nào sau đây không phải giai đoạn hai của phong trào Cần vương A. Lãnh đạo là các văn thân sĩ phu yêu nước B. Địa bàn thu hẹp, chuyển lên trung du và miền núi C. Vua Hàm Nghi bị bắt và bị lưu đày sang Angiêri nhưng phong trào tiếp tục duy trì D. Cuối 1895 đầu 1896 phong trào Cần vương chấm dứt

Hấp thu hoàn toàn 4,48 lít khí SO 2 (ở đktc) vào 250 ml dung dịch NaOH 1M. a. Viết các phương trình phản ứng hóa học có thể xảy ra. b. Tính khối lượng muối sinh ra sau phản ứng Biết M Na = 23 , M H = 1, M S = 32, M O = 16

PART II: Phonetics Choose one word whose underlined part is pronounced differently from that of the others in each group. Circle A, B, C or D. 9. A. tree B. talks C. treat D. true 10. A. best B. contest C. honest D. chest 11. A. educate B. date C. rate D. lake 12. A. indent B. moment C. different D. talent PART III: Grammar and vocabulary Exercise 1: Choose the best answer to complete each of the following sentences by cycling the corresponding letter A, B, C or D. 13. She often ................... in the early morning. A. go B. went C. goes D. going 14. ................. is a person who manages the home and often raises children instead of earning money from a job. A. Homemaker B. Worker C. Breadwinner D. Wife 15. This classroom ....................... by the students everyday. A. clean B. is cleaned C. cleaning D. cleans 16. Tom: I am very hungry now! John: OK. I .......................... you some cakes. A. am going to bring B. going C. bring D. will bring 17. I have already decided. I ............................. a new house. A. will buy B. is going to buy C. to buy D. bought 18. I always enjoy listening to music, ............... I don't like pop music. A. but B. so C. and D. or 19. Sad movies always make her ............................... A. to cry B. crying C. cry D. cries 20. The teacher asked the students .................. their exercises at home. A. finishes B. finishing C. finish D. to finish Exercise 2: Complete the sentences, using the right form of the verbs in brackets. 21. Please don't make so much noise. The baby ..................................... ( sleep). 22. My father often …………........................... ( watch) TV after dinner. PART IV: Reading Exercise 1: Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage, by cycling the corresponding letter A, B, C or D. Like other families in Vietnam, my family has some rules. Firsttly, we have to (23) ………… the household chores. For example, my mother usually goes shopping and cooks while my father (24) ……………. the laundry. My sister and I have to (25) ……….. the floor and wash the dishes. Another fixed rule is that we always have dinner together. Also, whenever my sister and I (26) .................out with our friends, we are not allowed to come home later than 10 p.m. 23. A. take B. make C. find D. share 24. A. does B. did C. washing D. wash 25. A. cleaning B. clean C. doing D. have done 26. A. to go B. see C. go D. take PART V: WRITING Exercise 1: Choose one word or phrase that needs correcting to make the sentence correct. 31. My father decided stay at home and watch TV last night. 32. The poor students are always helping by the teacher. Exercise 2: Finish each of the following sentences in such a way that it has the same meaning as the original sentence. 33. My father buys a new car → The new car ..........………………………………………………………… 34. They speak English in this country . → English .............................................................................................................

Câu 4 : Bài hát " Nụ cười" của nước nào nhỉ ? 2 điểm Mỹ Nga Việt Nam Ba Lan Câu 5 : Bài hát " Nụ cười" nhắn nhủ điều gì? 2 điểm Siêng năng học tập Đoàn kết Luôn lạc quan, yêu đời Dũng cảm Ai giải đúng vote 5 sao nha

giúp mk vs mk đang cần gấp, lm chính xác nha, trắc nghiệm I. Choose the word which has the underlined part pronounced remark from the others. 1 A. ranked B. gained C. prepared D. proved 2 A. host B. honor C. hockey D.horror 3 A. badminton B. swallow C. challenge D. ballet 4 A. teammate B.reading C. creating D. seaside 5 A. athlete B.author C. length D. southern 6 A. touch B. foul C. account D. mount 7 A. lose B. vote C. control D. social 8 A. rear B. bear C. gear D. year 9 A. please B. peace C. seat D. spread 10 A. overlooks B. beliefs C. towards D. rights

1) …………..the bad weather, we went on a school picnic. A. Although B. Despite C. In spite

một quầy hàng hoa quả có 50,5 kg cam và quýt , quýt ít hơn cam là 15,4 kg . hỏi cửa hàng đó có bao nhiêu kg mỗi loại ?