下列属于保险合同当事人的是（）
A.受益人
B.保险代理人
C.投保人
D.保险经纪人
参考答案：C
There are many differences between American English and British English in spelling and pronunciation,
especially in _____ English. [ ]
A. written
B. oral
C. official
D. business
容积中颗粒的容积不及总容积的（）%，可视为自由沉降。
A.1
B.2
C.3
D.4
