Choose the word that has the underlined part pronounced differently from the rest:  
some            none            not          nothing
A. some            
B. none            
C. not          
D. nothing

Choose the word that has the underlined part pronounced differently from the rest:
subsidy                             substantial                           undergraduate                       drugtaker
A. subsidy                             
B. substantial                           
C. undergraduate                       
D. drugtaker

Choose the word that has the underlined part pronounced differently from the rest:  
basic                  desert                    president                     season
A. basic                  
B. desert                    
C. president                     
D. season

Choose the word that has the underlined part pronounced differently from the rest:
 done            gone            mum             won
A. done            
B. gone            
C. mum             
D. won

Choose the word that has the underlined part pronounced differently from the rest:  
teenage               luggage              manage              damage
A. teenage               
B. luggage              
C. manage              
D. damage

Choose the word that has the underlined part pronounced differently from the rest:
break                       meaning                         least                        reading
A. break 
B. meaning 
C. least
D. reading

Tìm nguyên hàm
$\int{{{{e}^{{1-4x}}}}}dx.$
A. $A.$${{e}^{{1-4x}}}+C.$       
B. $B.$$-4{{e}^{{1-4x}}}+C.$ 
C. $C.$$\frac{1}{4}{{e}^{{1-4x}}}+C.$   
D. $D.$$\frac{{-1}}{4}{{e}^{{1-4x}}}+C.$

Tìm m để nguyên hàm F(x )của f(x) thỏa mãn :
$F(0)=1;F(\frac{\pi }{4})=\frac{\pi }{8};f(x)=\frac{{4m}}{\pi }+{{\cos }^{2}}x.$
A. $\displaystyle m=\frac{{-5}}{3}$
B. $\displaystyle m=\frac{{-5}}{4}$
C. $\displaystyle m=\frac{{-3}}{4}$
D. $\displaystyle m=\frac{5}{4}$

Tìm nguyên hàm: $\int{{\frac{{\sin x}}{{1-{{{\sin }}^{2}}x}}dx}}.$
A. $\displaystyle \frac{1}{{\cos x}}+C.$
B. $\displaystyle -\frac{1}{{\cos x}}+C.$
C. $\displaystyle -\frac{2}{{{{{\sin }}^{3}}x}}+C.$
D. $\displaystyle -\frac{1}{{\sin x}}+C.$

Gọi $\int{{{{{2017}}^{x}}dx=F(x)+C}}$, với C là hằng số. Khi đó hàm số F(x) bằng:
A. $\displaystyle {{2016.2017}^{x}}$
B. $\displaystyle {{2017}^{{x+1}}}$
C. $\displaystyle {{2017}^{x}}$
D. $\displaystyle \frac{{{{{2017}}^{x}}}}{{\ln 2017}}$