【单选题】治疗闭经痛经宜用( )。A.生当归B.土炒当归C.酒炙当归D.当归炭
【单选题】—How do you know that she likes singing? —I often hear her ________ in the morning. [ ]
【简答题】治疗寒凝瘀滞经闭,痛经,宜选用的药物是( )
【单选题】— How do you know that she likes singing? — I often hear her ____ after class. [ ]
【单选题】下列设备中,可以用 USB 接口连接的是 ________ 。 ( ) A . 网卡 B . 显卡 C . 声卡 D . 显示器
【单选题】USB是一种高速的可以连接多个设备的接口,现在已经在PC机中普遍使用。下列关于USB的叙述,正确的是______。
A.
从外观上看,USB连接器与PC机并行口连接器差不多
B.
USB接口有两种规格,2.0版的数据传输速度要比1.1版的大约快一倍
D.
USB采用并行方式进行数据传输,以提高数据的传输速度
【单选题】—How do you know that she likes singing? —I often hear her _____ after class. [ ]