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单项选择题

A．underestimateB．ignoreC．emphasizeD．accelerateThe word ……

The word "underscore" in the last sentence of the text probably means"______".

A．underestimate
B．ignore
C．emphasize
D．accelerate

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热门试题

单项选择题The 2003 survey reveals that ______.

A．hostile online attacks are still rampant
B．fighting online attacks is a never-ending battle
C．other elements than technology are at work for greater security
D．new operating systems should be updated constantly to fight viruses

单项选择题Which of the following elements is the most critical to online security according to the author

A．IT culture.
B．Operating systems.
C．Desktop antivirus software.
D．The efforts by online security vendors.

单项选择题Which of the following statements does the author imply

A．In science, it is not difficult to distinguish fact from fiction.
B．Today few people have any notions of the meaning of science.
C．Practical-minded people can understand the meaning and objectives of pure science.
D．Scientists engaged in theoretical research should not be blamed for ignoring the practical side of their discoveries.

单项选择题An operating system is no guarantee of online security probably because ______.

A．some OS suppliers are not trustworthy
B．it still fails to shield users from intrusions
C．antivirus software is not updated in due time
D．some terminals are not installed with such a system

单项选择题The best title for the passage would be ______.

A．Hypotheses and Theories
B．On Distinguishing Fact from Fiction
C．The Nature of Science and Scientists
D．Biology and the Scientific Age

单项选择题To define science we may simply call it ______.

A．classified knowledge
B．the study of unrelated fields
C．the study of unrelated subjects
D．an attempt to explain natural phenomena

单项选择题Pure science, leading to the construction of a microscope, ______.

A．is not always as pure as we suppose
B．may lead to anti-scientific, "impure" results
C．necessarily results from applied science and the discovery of a cell
D．necessarily precedes applied science, leading to the discovery of the cell

单项选择题According to the passage, the use of Antarctic krill as a food is an innovation whose future is ______.

A．basically gloomy but still uncertain
B．somewhat promising but very tentative
C．generally bright and virtually assured
D．endangered by certain technical problems

单项选择题A scientist being interested in adding to our general knowledge about oxygen would probably call his approach ______.

A．applied science
B．environmental science
C．pure science
D．agricultural science

单项选择题The cultural communication problems are becoming especially urgent for ______.

A．American managers
B．multinational companies
C．Japanese employees
D．consulting firms