【单选题】Much of the city was ________before the storm but thousands remained, many of whom were trapped by the water for days.
A. evacuating
B. evacuated
C. vacuuming
D. vacuumed
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【单选题】Located in the heart of the city,the Dogs' Home is open seven days a week, 365 days a year to receive________dogs.
A. stray
B. stay
C. astray
D. slate
【单选题】With the development of modern industries, a lot of traditional values that developed from a farm-based economy have been enormously________.
A. deduced
B. deducted
C. dilated
D. diluted
【单选题】There are________changes in environmental conditions from freezing cold to extremely hot, and from dry to very humid (潮湿的).
A. gigantic
B. innumerable
C. pervasive
D. minimal
【单选题】From a practical________, how can you reduce production costs and at the same time minimize the risks involved?
A. standby
B. standard
C. standpoint
D. standout