暑假，玲玲乘船从天津到海南岛旅游，沿途所见景象不可信的是[ ]
A、海上耸立着石油钻井平台
B、渔船出海捕鱼
C、沿岸有许多盐场
D、海上漂浮着冰山
答案：D
句子改错。 (在后面的横线上写出正确的句子。)
1. Thank for the great photo of your family.
_________________________________
2. That are her boyfriend.
3.—Is she a your cousin?
—Yes, she's.
4. That's me friend.
5.—Are they a brothers?
—No, they isn't.
( )是指保险合同当事人中至少有一方并不必然履行金钱给付义务。
A．有偿性
B．附和性
C．双务性
D．射幸性
