单项选择题

I think it is high time we ______ the fact that environmental pollution in this area is getting more serious than before.

A．woke up to
B．must wake up to
C．wake up to
D．are waking up to
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单项选择题
The shortage of water became more ______ this summer with the highest temperatures in 40 years.
A．needy
B．latent
C．uneasy
D．acute
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