等差数列{an}中,a4+a10+a16=30,则a18﹣2a14的值为[ ]
A.﹣20
B.﹣10
C.10
D.20
答案:B
保险经纪从业人员办理再保险经纪业务时,应当取得原保险人或再保险人分出业务的()。
A.口头委托要约
B.书面委托要约或口头委托要约
C.默示要约
D.书面委托函件或要约
There is a popular belief among the Europeans _____ chicken soup can help cure flu. [ ]
A. what
B. who
C. that
D. where