单项选择题

Blay Whitby thinks that "safety-critical computing" ______.

A．is in its infancy.
B．has its heyday,
C．undergoes rapid development.
D．can hardly be improved.
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单项选择题
The word astounding in the second paragraph is closest in meaning to ______.
A．gullible.
B．awesome.
C．gruesome.
D．stupendous.
单项选择题
According to the passage, domestic robots will ______.
A．be welcomed by housewives.
B．surely go into every household.
C．help people a lot with their housework.
D．help people with manual and mental work.
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