在Client/Server工作模式中,客户可以使用______向数据库服务器发送查询命令。
参考答案:网关或Cateway
判断下列句子的表述是(T)否(F)与实际情况相符。
( ) 1. Wait at a yellow light.
( ) 2. Go at a red light.
( ) 3. There are always three lights: red, yellow and blue.
( ) 4. In China, drivers drive on the right side of the road.
( ) 5. If you go on foot, you don't have to know the traffic rules.
孕妇感染梅毒的治疗,首选()。
A.甲硝唑
B.第三代头孢菌素
C.青霉素
D.红霉素
E.阿奇霉素