phát hiện lỗi sai á Question 21: When we are (A) on holiday (B) , we used to go to (C) the beach every day (D) . Question 22: We wish we can (A) consult an (B) expert on how to solve (C) this problem (D) . Question 23: The environmentalist suggest (A) planting (B) more trees to improve the city’s landscape (C) and the environment as well (D). Question 24: He works (A) much more hard (B) for his exams than he does (C) for his normal (D) schoolwork.

Người ta đốt sắt trong bình chứa oxi thì thu được oxit sắt từ (Fe3O4) a) Nếu thu được 23,2g oxit sắt từ thì phải dùng ao nhiêu ga sắt? b)Tính khối lg KClO3 cần dùng để điều chế thể tích oxi nói trê. Biết thể tích đo ở đktc và lg oxi hao hụt là 10% chi tiết rõ ràng đầy đủ số mol giúp mình nha

Giúp mình làm bài này đi mọi người

Huhu mình đang cần gấp giúp mình vs

Question 5: The city has recently set _____ a library in the West Suburb. A. up B. off C. out D. down Question 6: Nam didn’t know________ to find more information about the course. A. what B. why C. where D. while Question 7: He asked________ it was too early to apply for the course. A. if B. for C. when D. that Question 8: I couldn’t sleep last night________ the bar nearby played music so loudly. A. although B. so that C. while D. because Question 9: Lots of people choose to buy houses in the suburbs_________ they can avoid the noise and pollution in the city. A. although B. when C. so that D. so as Question 10: You should _______ the shoes when coming into the Japanese houses A. take off B. put on C. get off D. take on Question 11: My grandfather is the___ oldest artisan in the village; Ngoc`s grandfather is the oldest. A. first B. second C. most D. one Question 12: Eating _______ food is extremely important in order to maintain a good health. A. fatty B. nutritious C. junk D. salty Question 13: I've_______ the product catalogue and decided to buy this table. A. found out B. closed down C. looked through D. lived on Question 14: Today’s cities are_______than cities in previous times. A lots larger B much larger C as large D the largest Question 15: He asked_______it was too early to apply for the course. A. if B for C. when D that Question 16: This work doesn’t bother me. I_______hard. I've worked hard all my life. A. used to working B. used to work C. am used to work D. am used to work Write the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. Question 17: I also passed on the news I had heard from the town and the other villages. A. tell B. told C. say D. listened Question 18 : The doctor wanted to go over the test results with his patients. A. refuse B. make a note C. examine D. see Write the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Question 19: . Do you want to lie in a metropolitan city? A. rural B. urban C. countryside D. A&C Question 20: The simplicity of form makes English easy to learn. A. complication B. openness C. difficulty D. fluency

(-12):(3/4-5/6)^2 (9/25-2x18):(19/6+0,2) (-6,5)x5,7+5,7x(-3,5) 23`1/4`x7/5-13`1/4`:5/7

Viết 1 đoạn văn khoảng 5, 7 dòng kể về người em yêu quý nhất

18. Tìm $n$ ∈ N để biểu thức A= $(n^{2}+10)^{2}-36n^{2}$ có giá trị là 1 số nguyên tố. 19. Phân tích thành nhân tử a) $x^{2}-9$ b) $4x^{2}-25$ c) $x^{4}-y^{4}$

hỗn hợp A gồm vinyl fomat và etyl axetat tỉ khối hơi so vs oxi là 2,45. Xà phòng hóa m gam A trong naoh thu được 1,36g muối. Giá trị m là

Vẽ đậu mầm bất lực. NL: có ai biết tìm sách mỹ thuật 8 bản pdf ở đâu không ạ. Chỗ mình đang chi thị 16 không đi mua được mà lên mạng tìm chả thấy.