因果逻辑练习

Q1:请填写您的昵称

Q2:（1）According to paragraph 3, the abundance of resources fluctuated sharply after the end of the glacial period because 

Q3:（2）According to paragraph 2, why were tokens eliminated?

Q4:（3）According to paragraph 1, pastoralists in Iran needed to move their animals for which of the following reasons?

Q5:（4）According to paragraph 3, why do materials in the countryside have a lower heat capacity than materials in cities do?

Q6:（5）According to paragraph 5, surfaces in the city are generally drier than surfaces in the countryside between periods of rainfall because