HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
Mark the letter A, B, C or D on your answer sheets to indicate the word (s) SIMILAR in meaning to the underlined word (s) in each of the following questions.
Please stop making that noise! It really gets on my nerves.
A. Cheers me up
B. wakes me up
C. annoys me
D. amuses me
Hỗn hợp X gồm tripanmitin, tristearin, axit acrylic, axit oxalic, p - HO - C6H4CH2OH (trong đó số mol của p-HO-C6H4CH2OH bằng tổng số mol của axit acrylic và axit oxalic). Cho 56,4112 gam X tác dụng hoàn toàn với 58,5 gam dung dịch NaOH 40%, cô cạn dung dịch sau phản ứng thì thu được m gam chất rắn và phần hơi có chứa chất hữu cơ chiếm 2,916% về khối lượng. Mặt khác, đốt cháy hoàn toàn 0,2272 mol X thì cần 37,84256 lít O2 (đktc) và thu được 18,0792 gam H2O. Giá trị của m gần nhất với giá trị nào sau đây?
A. 68.
B. 70.
C. 72.
D. 67.
Cho Fe lần lượt tác dụng với các dung dịch: FeCl 3 , Cu ( NO 3 ) 2 , AgNO 3 , MgCl 2 . Số trường hợp xảy ra phản ứng hóa học là
A. 1.
B. 4.
C. 2.
D. 3.
Read the following passage and mark the letter A, B, C or B on your answer sheet to indicate the correct answer to each of the questions from 30 to 34.
At the beginning of the nineteenth century, the American educational system was desperately in need of reform. Private schools existed, but only for the very rich. There were very few public schools because of the strong sentiment that children who would grow up to be laborers should not “waste” their time on education but should instead prepare themselves for their life’s work. It was in the face of this public sentiment that educational reformers set about their task. Horace Mann, probably the most famous of the reformers, felt that there was no excuse in a republic for any citizen to be uneducated. As Manager of Education in the state of Massachusetts from 1837 to 1848, he initiated various changes, which were soon matched in other school districts around the country. He extended the school year from five to six months and improved the quality of teachers by instituting teacher education and raising teacher salaries. Although these changes did not bring about a sudden improvement in the educational system, they at least increased public awareness as to the need for a further strengthening of the system.
From 1837 to 1848, Horace Mann _________.
A. worked as a headmaster in a school in the state of Massachusetts
B. funded many projects to improve the educational system for Americans
C. managed education in the state of Massachusetts
D. raised money for the educational development in Massachusetts
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
In water polo the ball can be _________ by passing with one hand.
A. advanced
B. forwarded
C. thrown
D. kicked