老花眼
参考答案：
指随着年龄的增长，晶状体的弹性逐渐降低，睫状肌逐渐萎缩，调节能力也逐渐减弱，看近物时模糊，看远物时较清晰，这种现象叫老花眼。
－We could have asked Mr. Zhang for help. He is always ready to help others.
－I ________ that. A long time _______.
A．have forgot, wastes
B．forgot, wasted
C．forgot, was wasted
D．forgot, has been wasted
脂肪酸β-氧化中，不生成的化合物是（）
A.NADH+H
B.H2O
C.FADH2
D.乙酰CoA
E.脂烯酰CoA
