题目内容

When we go out, we must wear ________.

A. glasses
B. face mask
C. hat
D. shoes

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We'd better not eat _______.

A. eggs
B. chicken
C. sea food
D. wild animals

Whofirstsaidthenovelcoronavirus（新冠病毒）canbeaffectiveamong people?

A. 终南山
B. 钟南山
C. 李时珍
D. 谭德赛博士

Being ________ is helpful to our health.

A. happy
B. angry
C. sad
D. imdifferent

How many tips are given in the video?

A. 4
B. 5
C. 6
D. 7