A:升高温度
B:降低温度
C:提高反应物的浓度
D:使用合适的催化剂
每种生物都具有一些特定性状,控制性状的基本单位是( )
----You park here! Look at the sign, it says “No parking”.
----Sorry, I didn't notice that sign just now.
Whose gloves________ they?