29  If there were no rain, we should have＿＿＿ on the beach.

A  the happiest time                        B  a more happier time

C  much happiest time                    D  a much happier time

确定居民是否学会测量血压可采用的教学方法是（ ）

A．角色扮演

B．电化教学

C．个人指导

D．个别交谈