Choose the best answer for the following sentence:
Tran Hieu Ngan was the first Vietnamese athlete ____________ an Olympic medal.
A. to win 
B. winning
C. won 
D. had won

Choose the best answer for the following sentence:
An action movie is a film in which a lot of dangerous and __________ things happen. 
A. excite                  
B. excited                   
C. exciting                   
D. excitement

Choose the best answer for the following sentence:
______________ contrast to classical music, pop music consists of short songs with strong beat and simple tunes. 
A. On
B. To
C. In
D. For

Choose the word that has the underlined part pronounced differently from the rest:
pour                     mournful                         young                   your
A. pour                     
B. mournful                         
C. young                   
D. your

Find a mistake in the four underlined parts of the sentence and correct it:
He takes risky of his life to survive the tiger from the trap.
A. risky
B. life
C. survive
D. from

Choose a word that has different stress pattern:
routine                   tobacco                     neighbour                     experience
A. routine                   
B. tobacco                     
C. neighbour                     
D. experience

Find a mistake in the four underlined parts of the sentence and correct it:
Last night, before going to bed all the students watched a very interesting film.
A. going
B. the students
C. watched
D. interesting

Choose the word that has the underlined part pronounced differently from the rest:
relax                        reason                           rouse                          besides
A. relax                        
B. reason                           
C. rouse                          
D. besides

Bằng phép tính tích phân từng phần cho   với n ∈ N∗, ta thiết lập được công thức liên hệ
giữa In và In-2 là
A. In = nIn-2 (n > 2)
B. In = (n - 1)In-2 (n > 2)
C.
D.

Tích phân $I=\int\limits_{1}^{3}{\frac{\ln x}{{{(1+x)}^{2}}}dx}$ bằng
A. $-\frac{1}{4}\ln 3+\ln \frac{1}{2}.$ 
B. $-\frac{1}{4}\ln 3.$ 
C. $-\frac{1}{4}\ln 3-\ln \frac{3}{2}.$ 
D. $-\frac{1}{4}\ln 3+\ln \frac{3}{2}.$