In the modern technological world the sea offers many （) to help mankind survive.

A.第2段Techno不会播放

B.第2段Techno播放时，没有其他声音在同时播放

C.程序运行过程中，有2秒的时间是没有任何声音播放的

D.这个程序运行14秒后结束

The moon-landing is mentioned in the first paragraph to illustrate_____.

[A] technology cannot solve all of our human problems

[B] progress in vaccine research for influenza has lagged behind

[C] great achievements have been made by men in exploring the unknown

[D] the development of vaccine production methods can not be stopped

Modern weapons were used in the Civil War.()

Black Humor is defined as modern humor caused by anger . ()

Modern linguistics is mainly diachronic.()

Modern men also have primitive impulse.()

Before modern linguistics, the meaning of a word was assumed as unaccountable. ()

Modern linguistics aims at prescribing models for language users to follow.()