The two baby monkeys are new to the Exotic Zoo. They are new to the world. And the most surprising thing is: they are only around 3cm, very very small. They are the smallest monkeys in the world, called Pygmy Marmoset. They are only 10-15cm when they grow up. They can be found in the Amazon. They are easy to die (死) in the wild. So it’s very exciting to see this kind of monkey babies in the zoo.

The Barbados threadsnake is the world’s smallest snake. They are found in the forests of Barbados. The snake can only grow to around 10cm when they grow up. They eat eggs of ants and live under the ground.

1.Pygmy Marmosets are ______ to die (死) in the wild.

A not difficult

B not easy

C difficult

D easy

解析：选D。D细节理解题。根据第一段的“They are easy to die (死) in the wild.”可知侏儒狨猴在野外很容易死。故选D。

2.How long will Pygmy Marmoset be when they grow up?

A Around 3cm.

B 10-15cm.

C Around 6cm.

D Around n5.5cm.

解析：选B。B细节理解题。根据第一段的“They are only 10-15cm when they grow up.”可知侏儒狨猴在长大的时候有10到15厘米长。故选B。

3.Where can we see an animal less than 2g?

A In the Amazon.

B In Cuba.

C In the forest.

D In Barbados.

解析：选B。B细节理解题。根据倒数第二段的“They are usually less than 2g. These birds are only found in Cuba.”可知，小于2克的动物可以在古巴找到。故选B。

4.When a kind of _____ grows up, it grows to about 10cm.

A monkey

B bird

C snake

D ant

解析：选C。C细节理解题。根据最后一段的“The snake can only grow to around 10cm when they grow up.”可知，巴巴多斯线蛇长大了可以长到10厘米。故选C。

5.What does the Barbados threadsnake eat?

A Eggs of chicken.

B Eggs of ants.

C Eggs of birds.

D Eggs of ducks.

解析：选B。B细节理解题。根据最后一段的“They eat eggs of ants”可知巴巴多斯蛇吃蚂蚁蛋。故选B。