头面部痛温觉、触觉传导经路包括
A．丘脑腹后内侧核
B．丘脑皮质束
C．三叉神经半月神经节
D．丘脑腹后外侧核
E．三叉神经脊束
参考答案：A,B,C,E
______ there, he found a great deal to interest him.
A．This being his first visit
B．Never having been before
C．This being his first time to visit
D．Having never been before
黏土砖的致命缺点是：（）.
A.隔声、绝热差
B.烧制耗能大，取土占农田
C.自重大，强度低
D.砌筑不够快
