阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。There are more ant

阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。

There are more ants than any other kinds of land animals in the world. They range from 0.1 to 1 inch long and are usually yellow, brown, red, or black. Ants live in societies in which they depend on one another. The societies are not all exactly the same because there are ants of very many kinds. But in general, each kind has ants of three main typesA、queens, males, and workers.

The ants have a good many enemies. They include birds, bears and ant eaters of various kinds. In some cases other ants are their worst enemies, as man’s enemy is man. In some parts of the world, red ants march in large armies to attack the homes of black ants. Some of them succeed in getting inside of the tunnels of black ants, whose entrances have been blocked. They try to carry the black ant babies away. The black ants do all they can to prevent that. They send their biggest soldiers into action. Very many of the red ants soldiers are killed but some escape with babies belonging to the black ants. The red ants take the babies home and bring them up. They become the only workers for the red ants.

Ants as a group are beneficial to humans. Their tunnels mix and soften the soil, in some places replacing the activity of earthworms. Some of ants are harmful to humans. For example, the fire ant, which has a painful bite, is a serious pest to humans and domestic animals in many parts of the world.

1. Which kind of ants is not regarded as the main types of ants in general？ {A、B、C}

A. Queen ants.

B. Soldier ants.

C. Worker ants.

2. According to the passage, what do we learn about the ants’ enemies？ {A、B、C}

A. They are of many kinds.

B. They are birds and ant eaters.

C. They are the same as man’s enemies.

3. The red ants attack the black ants’ home because {A、B、C}.

A. black ants are better soldiers

B. red ants are stronger than black ants

C. they don’t have workers of their own

4. According the passage, which of the following statements is TRUE？ {A、B、C}

A. The number of ants is the most in the world.

B. Each ant depends upon itself in the society.

C. Ants are useful to human on some conditions.

5. The main purpose of the passage is to {A、B、C}.

A. explain some information about ants

B. show the difference between red ants and black ants

C. convince people that ants as a group is beneficial insect