单词拼写（5分）

小题1:I am going to the b   to get my hair cut

小题2:There will be less p   if we plant more trees.

小题3: I don’t want to have an a   with you . Let’s forget it.

小题4: You looked so sad, what h   to you?

小题5:One of the famous s   Qian Xuesen died of illness on Octovber, 31,2009.

心电图显示，正常节律后出现一长PP间期，长的PP间期与基本的窦性PP间期之间无倍数关系，诊断可考虑（）

A.窦性停搏

B.窦性心动过缓

C.第一度窦房阻滞

D.第二度Ⅰ型窦房传导阻滞

E.第二度Ⅱ型窦房阻滞