B. 5 C. 104_______ kangaroos have a pouch (育儿袋).A. Female2 B. Male C. Both female and male5A ……

Knowing the giants’ diet (P6)Knowing the giants’ diet (P6)Choose the answer:Choose the answer:1. From the fossil, we can learn that the Gorgosaurus _____. 1. ……

differences in how male and female brains end up getting organized," Camarata said. "Our next studies...在限定时间的任务中，男生们如果发现自己的时间总是不够用，看看女生怎么做的。NEW research, attempting to throw light upon how male ……

.Studying in mixed sex schools can develop the communication skills of teenagers.Hu Jia: Our society ……

in the battle for sexual power, say scientists.As our ancestors evolved, the ability to attract a female mate changed. Good looks may have become more important than the ability to fight off male ……

Ding, a fourth-year student at Beijing Foreign Studies University and the lone male in a class of 21... to distribute textbooks like all good monitors should.His female classmates had little patience ……

You can tell a turtle's gender by the noise it makes. Males grunt, females hiss. ……

世界女子网坛的皇后Who is the world’s No 1 female1 tennis player? Serena Williams (塞蕾娜•威廉姆斯). She just won the championship2 at the US Open (美国网球公开赛) on Sept 7. Williams is 32. ……

for cosmetic surgery, as a gift after passing the college entrance exam."In our culture we worry about ……

the traffic. And it turns out that we are not the only ones that learn to adjust our voices depending... themselves heard by the female grasshoppers, Science Daily reported. Animals use sound to communicate ……

. Male gators, however, will have many females.70%:Percent of female alligators that choose one man.Dance of a lifetimeThe male Australian Red Back Spider dances on a female’s web to impress her. If he ……

in water.  We can even drown (溺水) if we stay underwater too long.  Look, we have mud on our bodies. It keeps us wet (湿润的).Look, we have mud on our bodies. It keeps us wet (湿润的).   ……

, a dead female body was found in a park near our campus.Everyone on campus, especially the females ……

by the wings (翅膀) of the female (雌性的) mosquito. Male and female mosquitoes have very different lives... mosquitoes make that buzz?The sound is made by the wings (翅膀) of the female (雌性的) mosquito. Male ……

a male killer, while stories with cars, vans and trucks in them usually lead to a female killer.无标... have a male killer, while stories with cars, vans and trucks in them usually lead to a female killer ……