In his speech at the conference, the Chairman solemnly stated that the responsibility to our lives and the kind of world in that we live is ours andours alone.

A．for ... in which

B．off... for which

C．of... in which

D．for... on which

支气管肺泡呼吸音的特点为( )。

A．像水泡似的声音

B．像哨笛样的声音

C．呼气与吸气时间大致相等

D．呼气时间小于吸气时间

E．呼气时间大于吸气时间