下列是书刊外表主要部位有（）。
A.面封
B.书脊
C.书口
D.书封
E.书心
参考答案：A, B, C, D
解析：本题考查书刊的外表主要部位的知识。
It is reported that many a new house________at present in the disaster area.
A．are being built
B．were being built
C．was being built
D．is being built
门卫及保卫人员的站姿优美中略带威严，通常采（）。
