脂肪酸分解产生的乙酰CoA的去路是
A．合成脂肪
B．氧化供能
C．异生成葡萄糖
D．参与组成脂蛋白
E．作为DNA合成原料
参考答案：B
如果点M（a+4，a）在直角坐标系的y轴上，那么点M的坐标为______．
According to the school rules, no child _______ be allowed out of the school during the day, unless accompanied by an adult．
A．will
B．would
C．might
D．shall
