汤姆用什么方法找到了山洞的出口？他们在山洞了呆了几天？
参考答案：
汤姆用很长的风筝线一头绑在石头上，牵着线一个一个找出口，洞里呆了三天三夜。
阅读对话，判断正(T)误(F)。
A: What can you see in my room?
B: I can see two windows, two doors, a picture, a blue desk and a yellow chair. The small bed is cute.
OK, it's a nice room.
( ) 1. There are three windows in her room.
( ) 2. The bed is big.
( ) 3. Her desk is blue.
保险经纪机构应当妥善保管业务档案、佣金收入的原始凭证等有关资料，保管期限自( )之日起计算。
A．保险经纪机构成立 B．保险合同生效C．保险合同终止 D．相关资料存档
