单项选择题

Many producing countries ______.

A．have become consuming countries
B．recognize a problem in the spread of AIDS
C．find it easier to control both production and consumption
D．all of the above

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热门试题

单项选择题The United Nations Conference was held to discuss ______.

A．ideological and individual differences
B．production
C．drug abuse
D．nations of file world

单项选择题The United Nations Conference ______.

A．was not as intense as previous meetings
B．failed to recognize drug problems in many countries
C．was successful in developing a two-level action plan
D．showed governments' confidence in handling their own problems independently

单项选择题Special words used in technical discussion ______.

A．never last long
B．should be confined to scientific fields
C．are considered artificial language speech
D．may become part of common speech

单项选择题The documents adopted ______.

A．proved to be a point of argument between the countries
B．were identical to one another
C．included an agreement between the nations involved to fight the drug problem
D．were not very specific or

单项选择题It is true that ______.

A．an educated person would be expected to know most technical terms.
B．everyone is interested in scientific findings
C．the average man often uses in his own vocabulary what was once technical language not meant for him
D．various professions and occupations oRen interchange their dialects and jargons