5.The primate brain is larger than 　 of other animals.

A.those　　　B.what　　　C.this　　　D.that

4.After designing more experiments,they were able to clarify the procedure　　 bees communicate information that they use to find and fetch food.

A.by which　　　　　B.in which

C.by that　　　　　D.for which

3.It was also apparent that the wagging dance,　 the bee moved sideways,sent another message.

A.which　　　B.where　　C.that　　D.what

2.All the bees 　 had been at nearby feeding place were doing the circling dance.

A.which　　　B.what　　C.that　　　D.how

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

1.They trooped behind the first dance, 　its movements.

A.copying　　B.copied　　C.to copy　　D.copy

5.A:What may be very important is to observe how primates live in the wild.

B:What may be　　 　　importance is to observe how primates live in the wild.

3.A:Zoologists place us in a group called primates,which include other mammals such as apes and monkeys.

B:Zoologists place us in a group called primates, 　　other mammals such as apes and monkeys4.A:Apes are divided into great apes,including gorillas,chimpanzees and human beings and lesser apes.

B:Apes are divided into great apes,gorillas,chimpanzees and human beings and lesser apes　 .

2.A:Like all other living creatures,human beings belong to a group of other animals sharing certain characteristics.

B:Like all other living creatures,human beings belong to a group of other

　Animals 　　 　　certain characteristics.

在B句空缺处填入适当的单词，使完成后的句子与A句意思相同或相近，每空一词。

1.A:He built a transparent wall and he could observe what went on inside through it.

B:He built a transparent wall 　　 　　 he could observe what went on inside.

10.The typical difference between humans and chimpanzees is that chimpanzees

　have 　 toes.