【单选题】以下关于域名服务器的叙述,错误的是( )。
C.
本地域名服务器可以采用递归查询和迭代查询两种查询方式
D.
权限服务器负责将其管辖区内的主机域名转换为该主机的IP地址
【判断题】游客参加低空旅游活动时,导游应告知其不要戴帽子和系围巾。()
【单选题】《尚书·艺文志》中“左史记言,右史记事”,其中“事”是指()。
【单选题】《汉书·艺文志》中“左史记言,右史记事”,其中“事”是指()。
【判断题】游客参加低空旅游活动,导游应告知不要戴帽子和系围巾。
【单选题】The main idea of this passage is that______.
A.
people do nothing but read in a train
B.
why people read newspapers when they travel by train
C.
when people go to work in a train, they do different things
D.
people in Britain are great newspaper readers
【判断题】游客参加低空旅游活动时,导游应告知其不要戴帽子和系围巾()
【单选题】The sentence' From costing nothing children suddenly come to seem impossibly expensive' (Para. 2) implies that ______.
A.
food and clothing for babies are becoming incredibly expensive
B.
prices are going up dramatically all the time
C.
to raise children women have to give up interesting and well-paid jobs
D.
social development has made child-raising inexpensive
【单选题】教育法律规范中规定的当某种条件或情况出现时,法律关系的参加者应该做什么、不该做什么,可以做什么、禁止作什么,这是教育法律规范构成要素的