A.
B.
C.
D.

A.\(F\left( x \right) = \dfrac{{{e^{2x}}}}{2} + \dfrac{{{x^3}}}{3} + C\)
B.\(F\left( x \right) = {e^{2x}} + {x^3} + C\)
C.\(F\left( x \right) = 2{e^{2x}} + 2x + C\)
D.\(F\left( x \right) = {e^{2x}} + \dfrac{{{x^3}}}{3} + C\)

A.I have not called her since January.
B.I have not called her for one month.
C.I have called her since January.
D.I had called her by January.

A.has
B.two theatres
C.The later  
D.in

A.aims at
B.economic growth
C.providing  
D.their

A.My
B.usually  
C.commented  
D.am wearing

A.My
B.usually  
C.commented  
D.am wearing

A.ignored
B.developed
C.valued
D.revealed

A.preference
B.culture
C.name
D.tradition

A.The arrival time of a child is an important factor in deciding his or her name.
B.Children born on Friday are normally given names meaning traveling.
C.Children receive the same name if they are born on the same day.
D.No matter how a child's name is chosen, it is related to his or her culture.