美国发明家约翰于1997年9月20日就一项发明在美国申请了专利。1998年8月15日，约翰又就该发明向中国国务院专利行政部门提出了申请，并申请优先权。后约翰就该发明在美国和中国分别于1999年12月31日、2000年8月5日被授予专利权。据《专利法》其在中国的申请日以及专利权有效期截止于下列哪些日期？( )

By using the phrase "the human quality of technology" (Para.2, Line 5), the author refers to the fact that technology______.

A．has a great impact on human life

B．has some characteristics of human nature

C．can replace some aspects of the human mind

D．does not exists in the natural world

By using the phrase the human quality of technology (Para. 2 ), the author refers to the fact that technology ______.

A．has a gent impact on human life

B．has some characteristics of human nature

C．can replace some aspects of the human mind

D．does not exist in the natural world

By using the phrase "the human quality of technology"(Line 5, Para. 2), the author refers to the fact that technology______.

A．has a great impact on human life

B．has some characteristics of human nature

C．can replace some aspects of the human mind

D．does not exist in the natural world

By using the phrase "the human quality of technology" (Line 7, Para. 2), the author refersto the fact that technology_______________.

A.has a great impact on human life

B.has some characteristics of human nature

C.can replace some aspects of the human mind

D.does not exist in the natural world

By using the phrase "the human quality of technology"(Line 5,Para. 2),the author refers to the fact that technology_____.

A．has a great impact on human mind

B．has some characteristics of human nature

C．can replace some aspects of the human mind

D．does not exist in the natural world

A．has a great impact on human life

B．has some characteristics of human nature

C．can replace some aspects of the human mind

D．does not exist in the natural world

A) has a great impact on human life

B) has some characteristics of human nature

C) can replace some aspects of the human mind

D) does not exist in the natural world

The phrase "the human quality of technology" (Para. 2) is used to suggest that technology ______.

A．does not exist in the natural world

B．can replace some aspects of the human mind

C．has some characteristics of human nature

D．has a great impact on human life

A．has a great impact on human life

B．is created by human

C．can replace some aspects of the human mind

D．deserves a close examination

A．By using satellite images, maps, etc.

B．By studying specific fanning methods.

C．By studying the variation of human population.

D．By analyzing the quality of crops.