人体生理学的任务是阐明()
A. 人体化学变化的规律
B. 人体物理变化的规律
C. 人体细胞的功能
D. 正常人体功能活动的规律
There was a dramatic increase in people streaming music after 2013.
A. 对
B. 错
In 2011, the majority of music sales were downloads.
A. 对
B. 错
Physical sales overtook streaming in 2016.
A. 对
B. 错