构成青少年体质物质基础的是（）
A.身体形态
B.生理功能
C.身体素质
D.运动能力
E.心理发育
参考答案：A
(2013·福建六校二模)—Good afternoon. I'm from the repair company. I received your call that there is something wrong with your air conditioner.
—________. Come in please. The air conditioner is in the living room.
A．That's right
B．That's OK
C．No problem
D．My pleasure
下列各步反应A(HCl)→B(Cl2)→C(NaClO)→D(HClO)→E(CO2)，其中不能一步直接实现的是
A．A→B
B．B→C
C．C→D
D．D→E
