For what purpose are Bridge-to-Bridge communications used（）

A.A

B.B

C.C

D.D

A.What to do？

B.How to do？

C.The result of work.

D.The purpose of work.

A.What

B.Who

C.That

D.whoever

The purpose of two questions in the second paragraph is to ________.

[A] demonstrate why people are amused

[B] display what people laugh at

[C] bring to light the phenomenon of laughter

[D] accent what a phenomenon laughter really is

The main purpose of the second paragraph is to ______.

A．tell what is talent

B．explain that intelligent children are creative.

C．differentiate between creativity and intelligence.

D．show that creative children are usually intelligent.

A.To establish goodwill.

B.To build self-esteem.

C.To obtain information.

D.To practice using language accurately.