It is the boys laziness that（) his failure in the exams.

A．Because many of the boys in single parent families are raised by their mothers.

B．Because many boys like the stories of women pioneers.

C．Because boys are more negative than girls.

D．Because many of the boys are from minority populations.

Girls perform. better than boys in ______.

A．arithmetic

B．algebra

C．word problems

D．calculus

In the carpentry school the boys were learning to build larger houses.

A．N

B．Y

C．NG

A．women compute better than boys

B．girls learn to hate math sooner and possibly for different reasons

C．girls takes less math than boys (from age sixteen on

D．girls solve word problems better than boys

Boys have a higher risk of developing heart disease than girls.

A．Y

B．N

C．NG

A、boys’ parents

B、boys parents’

C、boy’s parent’s

D、boys parents

A.standing

B.stood

C.stand.

D.Stands

When they ______ the bus, the boys and girls were carrying sandwiches and wine.

A．board B．boarded C．board on D．boarded on

Identical twin girls are more likely than boys to have learning problems.

A．Y

B．N

C．NG