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. $-\frac{1}{4}\ln 3+\ln \frac{3}{2}.$

 Giá trị của tích phân $\int\limits_{1}^{2}{{\frac{{1+{{x}^{2}}}}{{1+{{x}^{4}}}}dx}}$ bằng?
A. $\ln \left( {\frac{{\sqrt{2}-1}}{{\sqrt{2}+1}}} \right).$
B. $\frac{1}{{2\sqrt{2}}}\ln \left( {\frac{{\sqrt{2}-1}}{{\sqrt{2}+1}}} \right).$
C. $\frac{1}{2}\ln \left( {\frac{{\sqrt{2}-1}}{{\sqrt{2}+1}}} \right).$
D. $\frac{1}{{\sqrt{2}}}\ln \left( {\frac{{\sqrt{2}-1}}{{\sqrt{2}+1}}} \right).$

Choose the best answer for the following sentence:
The house is on fire! Let’s call the ____________ .
A. police 
B. fire 
C. fire barrier 
D. fire brigade

Choose the word that has the underlined part pronounced differently from the rest:  
remote                     control                      connect                      personal   
A. remote                     
B. control                      
C. connect                      
D. personal

Choose the best answer for the following sentence:
The overall situation is good ___________ a few minor problems.
A. but
B. despite
C. even if
D. even though