What are the factors in the spread of a disease? , What is population density? , Does the number of international airports in a city play a role in the spread of a pandemic? Why? , What does "infectious" mean? , What is the role of the government in protecting people from a health crisis? , Compare "prevention" with "treatment", which one is more important in public health? Why?.

Unlock 4 Unit 3 Listening 1 Discussion

排行榜

隨機卡是一個開放式範本。它不會為排行榜生成分數。

視覺風格

選項

切換範本

恢復自動保存: ?