A:1mol/L
B:2mol/L
C:3mol/L
D:4mol/L
对种子所处环境的温度、水分、空气等条件分别进行控制,从而了解种子萌发的条件,这运用了科学探究中的( )
—Will you please tell us how you can seize the robbers?
—I will spend a whole week ________in your room to wait for their coming.