单项选择题

In modem Western society, the environmental problem has ______.

A．received great attention from the governments
B．caused some serious disorders in technology and economy
C．affected modem technologies more directly than before
D．become more important but received less and less attention
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单项选择题
Special words used in technical discussion ______.[A] never last long [C] should be confined to scientific fields[B] are considered artificial language speech [D] may become part of common speech
A．Special words used in technical discussion ______.
B．never last long
C．are considered artificial language speech
D．should be confined to scientific fields
E．may become part of common speech
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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