单项选择题

For communities where no cases are found, the prevention and control strategy is focused on

A、A Strictly prevent introduction
B、B Reducing importation
C、C Stopping transmission
D、D Strengthening treatment
E、E Preventing exportation

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氛围灯在现在高端车才有的配置主要提升创造车内夜间浪漫气氛,全新朗逸Plus在哪个车型配备此功能（）

A.全系标配
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单项选择题

In the sever stage of Convid-19 pneumonia, which of the following is the most serious and typical CT features?

A、A: Ground-glass opacity
B、B: Fibrosis formation
C、C: “paving stone sign”
D、D: White lung
E、E: The density of both lungs Diffuse increases