【单选题】表示窗体集合中的第一个窗体对象的是______。
【单选题】George ____ Lisa long before they came to this city. [ ]
【单选题】The SOLAS Convention in its successive forms is generally regarded as the most important of all international treaties concerning the ______of merchant ships.
【单选题】—How long ______each other before they ___married? —For about a year.
B.
did they know were going to get
C.
do they know are going to get
【单选题】中医第一本急诊专著《肘后救卒方》的作者是
【单选题】记载颞颌关节脱位口内整复方法的《肘后救卒方》的作者是