中国积极推进与下列哪些地区性国际组织相关的区域合作
①亚太经合组织 ②北美自由贸易区 ③联合国 ④上海合作组织
A.①②③
B.②③④
C.①③④
D.①④
答案:D
若函数f(x)=lgsinx的定义域为M,g(x)=ln[(1+x)(5-x)]的定义域为N,则M∩N=______.
David often told stories that weren't true, ________no one believed him when he told about a
deer in the schoolyard. [ ]
A. in order that
B. in order to
C. so as to
D. so that