A stupid man tells a woman to shut up, while a wise man tells her that her mouth is quite beautiful _______ it is closed.
A：when
B：since
C：unless
D：though
1888年康有为第一次上书光绪帝时指出：“倭伺吉林于东，英启藏卫而窥川滇于西，俄筑铁路于北而迫盛京，法煽乱民于南以取滇粤。”由此可知戊戌变法的重要背景是（ ）
① ____ A．one B．first C．two
② ____ A．Monday B．Tuesday C．second
③ ____ A．third B．fifth C．two
④ ____ A．maths B．English C November
