根据现行法规的规定，经过许可，证券经纪商可以接受投资者的全权委托。 ( )
参考答案：错
27．Shanghai Expo has been building an Expo Village for the participants, but other choices will also be ____ if the Expo Village does not satisfy their needs．
A．accessible
B．available
C．affordable
D．Approvable
下列疾病与日光照有关的是：（）
A.白塞病
B.天疱疮
C.多形红斑
D.盘状红斑狼疮
E.肉芽肿性唇炎
