单项选择题

The passage implies that our present technological achievements ______.

A．are successful but not harmful
B．have not been recognized
C．bring about both positive and negative results
D．are Changing in recent time
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单项选择题
The author of the passage seems to be ______.
A．against future Changes in our life style
B．positive about our present situation
C．serious and hopeful in seeing a shift from the emphasis on economical progress to a better awareness of the nature
D．sorry for a decrease in defense expenditure
单项选择题
The word attributes in paragraph 2 means ______.
A．accords
B．ways
C．partitions
D．qualities
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