Question

Scientists（科学家）think that many animals（动物）can not see colors. The world（世界）is black and white to them. Can dogs see colors? Scientists want to know. So the American（美国的）scientists give（给）the dogs food. They put（放）the food in the box in the same color every time. The dogs see this color and go to eat. The scientists then give the dogs food in a box with another（又一）color. But the dogs go to eat the food, too. The colors are all the same to them.

But colors are not all the same to monkeys. The scientists put food in a red box, and do this every day. A monkey always goes to the red box to get food. Then the scientists put food in a blue box, but the monkey doesn’t go to eat it.

1.How many kinds of（种类）animals are mentioned（提到）in this passage?

A.Two. B.Three. C.Four. D.Five.

2.The scientists put the food in the boxes in different colors because they want to know

A.what food they like B.if（是否）they can see things

C.what color they like D.if they can see colors

3.The monkey doesn’t go to eat the food because_____________.

A.the food is the dogs’ B.the box is red

C.the food isn’t healthy D.the box is in a different color

4.This passage（短文）is about___________ for animals.

A.fruits B.colors C.boxes D.scientists

5.In what column（专栏）can we probably see this passage?

A.Science. B.History. C.Music. D.Food.

Answer 1