Hiện nay nền kinh tế Hoa Kì giữ vị trí thứ mấy trên thế giới?
A.Thứ hai
B.Thứ ba
C.Thứ tư
D.Thứ nhất

Find the word which has the underlined part pronounced differently from the others
A.national
B.rural
C.dramatic
D.salary

Find the word which has the underlined part pronounced differently from the others
A.prestigious
B.design
C.citizen
D.discrimination

Find the word which has the underlined part pronounced differently from the others
A.congestion
B.population
C.production
D.hoping

Find the word which has the underlined part pronounced differently from the others
A.mindset
B.rise
C.high-paying
D.sanitation

Find the word which has the underlined part pronounced differently from the others
A.mountain
B.hometown
C.closed
D.coastal

Find the word which has the underlined part pronounced differently from the others
A.population
B.slower
C.post-office
D.road

Find the word which has the underlined part pronounced differently from the others
A.worker
B.provoke
C.focus
D.overload

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in the following question.
A.rapid
B.standard
C.Asia
D.expand

Số N trong nguyên tử của một nguyên tố hoá học có thể tính được khi biết số khối A, số thứ tự của nguyên tố (Z ) theo công thức nào đúng ?
A.A=Z – N
B.Z=N + A
C.A=N – Z
D.N=A – Z