测[填空(1)] 、[填空(2)] 和[填空(3)]  等项目时，采样时水样必须注满容器，上部不留空间，并有水封口。

Please take your ()(随身物品) with you when you leave the V...

单项选择题Please take your ()(随身物品) with you when you leave the VIP lounge.
A、valuables
B、items
C、belongings
D、goods

开放式问题可以使被调查者可以按自己的意见进行回答，调查人员可以获得足够全面的答案。对 错

问答题开放式问题可以使被调查者可以按自己的意见进行回答，调查人员可以获得足够全面的答案。对 错

Leiden was liberated by Prince William of Orange in 157...

判断题Leiden was liberated by Prince William of Orange in 1574 from Spanish army.