函数y=tanωx（ω＞0）的最小正周期T=π，则ω=______．
函数y=tanωx（ω＞0）的最小正周期T=πω，由T=π得出ω=1
故答案为：1
We should encourage everyone ______ contributions ______ our environment. [ ]
A. to make; protecting
B. to make; to protect
C. making; to protect
D. making; protecting
生物分离的基本原理？
