When a new disease breaks out, experts must ________ what to do in the fastest w

题干

When a new disease breaks out, experts must ________ what to do in the fastest way.

A．figure out

B．take out

C．pick out

D．sort out

上一题下一题 0.64难度单项选择更新时间:2012-10-09 01:13:56

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