香雪兰栽培中14～17℃温度适合生产中植株发育的（）阶段。
A.定植
B.花芽分化
C.现蕾
D.切花采收
参考答案：C
I hear they’ve promoted Tom, but he didn’t mention _____ when we talked on the phone.
A．to promote
B．having been promoted
C．having promoted
D．to be promoted
下列哪一项不是呼吸链的组成部分（）
A.NADH
B.NADPH
C.FMNH2
D.FADH2
E.Cytaa
