商务礼仪的基本特征是:()
A.规范性
B.对象性
C.制度性
D.针对性
参考答案:A, B
Much to her delight, three _________ neighbors showed up and several of them even brought with them some candies and cookies.
A.dozens
B.dozen
C.dozen of
D.dozens of
关于急性硬膜外血肿的特点中,下列不正确的是()
A.幕上急性硬膜外血肿以颞部多见
B.伤后即出现"中间清醒期"
C.大多数合并颅骨骨折
D.好发于青壮年
E.中间清醒期常有躁动不安