单选题Ellsworth Huntington’s conclusion was based on _____.A variations of his own mental abilities from season to seasonB the result of research done by him and other scientists among peoples in different climatesC detailed records of temperature changes in
题目
单选题
Ellsworth Huntington’s conclusion was based on _____.
A
variations of his own mental abilities from season to season
B
the result of research done by him and other scientists among peoples in different climates
C
detailed records of temperature changes in different places
D
detailed records of different ways of thinking among peoples in different climates