【单选题】He had gone away on business and would notreturn to the hotel until the next day—should have to wait till_________I couldthank him for the present.
【单选题】核酸分子中核苷酸之间连接的方式是 ( )
【多选题】动物体内的主要蓄积部位(贮存库)有( )。
【判断题】数控机床常用导轨有贴塑导轨、滚动导轨和静压导轨。
【单选题】核酸中核苷酸之间的连接方式是( )P.62西综1997/20西综2002/20
【单选题】以下能够正确退出循环的是( )。
A.
i=10 Do i=i+1 Loop Until i<10
B.
i=1 Do i=i+1 Loop Until i=10
C.
i=10 Do i=i+1 Loop Until i>0
D.
i=1 Do i=i-3 Loop Until i=0
【单选题】-- When can I play computer games, Mum? --______ your homework _______.
B.
Not until, will be finished
D.
Not until, is finished