缺氧池的溶解氧要求控制在()
A、<0.1mg/L
B、<0.5mg/L
C、<1mg/L
D、<1.5mg/L
参考答案:B
5,6-磷酸果糖激酶最强的变构激活剂是()
A.ATP
B.AMP
C.ADP
D.2,6-二磷酸果糖
E.1,6-二磷酸果糖
A huge amount of environmental damage has been _____ by the destruction of the rainforests.
A.brought up
B.brought about
C.brought down
D.brought out