促进肝糖原分解的是()
A.甲状旁腺激素
B.生长激素
C.降钙素
D.糖皮质激素
E.去旧肾上腺素
参考答案:D
晓明在观看记录片《鸟的飞翔》时,发现下雪的时候,雪逆着鸟运动的方向在向右运动,看到这一现象的原因是______.
_______I toured Zhangjiajie, I was deeply impressed with its beautiful scenery.
A.For the first time
B.At first
C.It was the first time
D.The first time