WWW采用的是____结构，服务器的作用是整理、储存各种WWW资源，并响应客户端软件的请求。
Although they agree that life is important and should be respected, they feel that the quality of life should not __(ignore).
People today are highly concerned about the quality of the air they___(breath).
1mol单原子分子理想气体的温度从0℃升高到100℃，气体的热力学能增加了（）
槽深大于几米时应分层挖土？
风力几级以上时应停止露天的起重、打桩、高处作业？
Our most ________(success)product is based on a very simple idea
1mol单原子分子理想气体的温度从0℃升高到100℃，气体的热力学能增加了______J.(R=8.31J·mol-l·K-1)
使用金属外壳的电气工具时应 ( ) 。
local people are questioning the ________(wise) of spending so much money on the new road