China's Internet users had reached （） by the end of June.

单项选择题The author predicts in the last paragraph that the study of future-mindedness will focus on （）.

A．how it comes into being.
B．how it functions.
C．what it brings about.
D．what it is related to.

单项选择题The usual idea of the cave man in the last paragraph （）.

A．is based on the study of archaeology.
B．illustrates how people expect men to behave.
C．is dismissed by the author as an irrelevant joke.
D．proves that the man, not woman, should be the wooer.

单项选择题unyoked in the first paragraph is closest in meaning to （）.

A．sent out.
B．released.
C．dispatched.
D．removed.

单项选择题What is NOT a feature of the new karaoke machine ？（）

A．It is featured by high technology.
B．It allows you to imitate famous singers.
C．It can automatically alter the tempo and tone of a song.
D．It can be placed in specially designed theme rooms.

单项选择题According to the passage, people at present can forecast （） of a new round of future-mindedness.

A．the nature
B．the location
C．the variety
D．the features