Male students___________________________.（大约占全班人数的三分之二)

A.slaves

B.male

C.female

D.prisoners

A.+human,+male,+adult

B.+human,-male,+adult

C.+human,-male,-adult

D.+human,+male,-adult

A.material

B.male

C.matter

A．For the sake of decoration.

B．To show their male dominance.

C．For self-protection.

D．To attract animals in different sex.

he second paragraph suggests that______.

A．young people have more rigid ideas about male or female work than their parents do

B．both young people and parents have more rigid ideas about male or female work than their parents do

C．parents have less rigid ideas about male or female work than their children do

D．young people have less rigid ideas about male or female work than their parents do

A.lter

B.incident

C.male

D.release

A.All the wasps.

B.The male wasp.

C.The female wasp.

D.The new offspring.

A．She ordered it through the mail.

B．It was a present from her parents.

C．A male student gave it to her as a birthday present.

D．She got it while visiting her parents.

Body parts that gather fat are completely different in male and female.

A．Y

B．N

C．NG

A．She cannot find a husband for herself.

B．The female spider is larger than the male one.

C．The female spider often eats her husband.

D．She is a black female spider.