A.They make apples' colors brighter than those of other fruits.
B.They are less important than beta carotene and B vitamins.
C.They help prevent the risks of several health problems.
D.They may lead to the feeling of being bloated and uncomfortable.

A.Fructose
B.Flavonoids
C.Beta Carotene
D.Pectin

A.prevents
B.avoids
C.encourages
D.creates

A.an apple
B.energy
C.sugar
D.a cup of coffee

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.Maria advised Victor to open up and tell their teacher about his situation.
B.Maria forbid Victor to open up and tell their teacher about his situation.
C.Maria forced Victor to open up and tell their teacher about his situation.
D.Maria allowed Victor to open up and tell their teacher about his situation.

A.You can walk on the grass in the park if you want to.
B.People like walking on the grass in the park.
C.We must not walk on the grass in the park.
D.We do not have to walk on the grass in the park.

A.\(\int {f\left( x \right)dx}  = \dfrac{1}{2}{x^4} - 9x + C\)
B.\(\int {f\left( x \right)dx}  = {x^4} - 9x + C\)
C.\(\int {f\left( x \right)dx}  = \dfrac{1}{2}{x^4} + C\) 
D.\(\int {f\left( x \right)dx}  = 4{x^3} + 9x + C\)

A.\(x = 5\)
B.\(x = 12\) 
C.\(x = 9\)
D.\(x = 11\)

A.\(S = \left\{ {\sqrt 2 ;2} \right\}\)
B.\(S = \left\{ { - \sqrt 2 ;\sqrt 2 } \right\}\)
C.\(S = \left\{ { - \sqrt 2 ;2} \right\}\)
D.\(S = \left\{ { - 2;2} \right\}\)