当客舱灯光选择在DIM2时,是全亮时的百分之几?()
A.0%
B.10%
C.50%
D.100%
参考答案:B
—I wonder if you could go to the movie with me.
—Oh, just leave me alone. I _______ a composition all the morning and haven’t finished yet.
A.write
B.was writing
C.have written
D.have been writing
1个葡萄糖分子有氧呼吸释放能量为m,其中40%用于ADP转化为ATP,若1个高能磷酸键所含能量为n,则1个葡萄糖分子在有氧呼吸中产生ATP分子数为()
A.2n/(5m)
B.2m/(5n)
C.n/(5m)
D.m/(5n)