Tuyển Cộng tác viên Hoc24 nhiệm kì 28 tại đây: https://forms.gle/GrfwFgzveoKLVv3p6
21. In Vietnam, a stage of study for children aged from 11 to 17 is called_______.
A. Primary Education B. Pre-school C. Secondary Education D. Higher Education
22. My nephew is four years old, he may enter a _______ in Vietnam.
A. High School B. Kindergarten C. Secondary School D. Primary School
23.Students in public school in England have to pay _______.
A. free B. tuition fee C. fee-paying D. freedom
25. Schooling for Vietnamese children from the age of six to fourteen is _______.
A. optional B.odd C. compulsory D. nursery
29. Many high school students in Vietnam have to work very hard to _______ at a university.
A. win a place B. get a cold C. lose touch with D. keep pace with
30. Military is_________in this country. Every man who reaches the age of 18 has to serve in the army for two years.
A. compulsory B. optional C. illegal D.unnecessary
31. The _______ year in Vietnam runs from September to June and is divided into 2 terms
A. academically B. academical C.academic D.academicals
32. Children at the age of 11 start moving to _______ school.
A. kindergarten B. primary school C. lower secondary D. upper secondary
33. Schools in which all students can attend without paying tuition _______ are public schools.
A. fees B.charge C. payment D. bill
34. In Vietnam a school year lasts for nine months and is divided _______ 2 terms.
A. into B.to C.from D. on
35. _______ the end of the school year, students take an exam in each subject.
A. On B.To C.In D. At
36. Students usually _______ their GCSE at the age of sixteen.
A. pass B.make C. take D. follow
37. Tommy left high school _______ the age _______ seventeen.
A. at/ of B.in/for C. on/ with D. of/ in
38. Fee-paying schools are often called"independent schools","private schools" or “_______ schools"
A. college B.primary C. secondary D. public
39. In the UK, _______ schools refer to government-funded schools which provide education free of charge to pupils.
A. state B.secondary C.independent D.primary
40. Education has been developed in _______ with modern industry and the mass media.
A. compulsory B.parallel C.selected D. following
Câu 1 : Cho hình chóp S.ABCD có đáy ABCD là hình vuông cạnh a, cạnh bên SA vuông góc với mặt phẳng đáy và khoảng cách từ A đến mặt phẳng (SBC) bằng a√2/2. Tính thể tích V của khối chóp đã cho
Câu 2 : Cho hình chóp S.ABCD có đáy là hình vuông cạnh a, SA vuông góc với mặt đáy và SD tạo với mặt phẳng (SAB) một góc 30°. Tính thể tích V của khối chóp đã cho