even force the animal into swimming a stream to reach a succulent（肉质植物）. It will also force it into fighting to keep the tree all to itself. The sloth is lazy and prefers to be alone, but it will tolerate its own relatives!

11. A suitable title for this passage might be ____.

A. Wild Animals B. Animal Kingdom C. Moss Growth D. The Lazy Animal

12.The author's purpose in writing the passage is _____.

A. to help children to gain a better understanding of animal life

B. to prove that the saying "a rolling stone gathers no moss" is wrong

C. to introduce a particular animal to the common reader

D. to discuss with professionals the laziness of some animals

13.Which of the following is NOT true about the sloth?

A. The sloth does not eat any meat.

B. For most of its time, the sloth remains motionless on the ground.

C. To some degree, the sloth is protected by the moss growing on its body.

D. The sloth has a brown fur of its own.

14.According to the passage, the sloth will move about when____.

A. It senses a coming danger. B. it is forced to swim in a hot day.

C. it is short of its favorite food. D. it wants to keep the vegetable to itself.

15.Which of the following is NOT mentioned or implied by the author?

A. The sloth has only three toes.

B. The sloth lives in the damp jungle of South America.

C. The sloth usually tries to find a new spot for food at night.

D. The sloth will never fight with other animals.

In the future, when robots can be used both in homes and in other areas, they could improve the living standards of people. Many people burn their energy on their day-to-day tasks like cooking, cleaning after work, etc. When robots can complete such jobs, people can spend more time with their family and friends. Experts say that many major problems in the modern world are caused by miscommunication. When people have more time, they can talk freely to solve such issues and eventually create a happy society.