根据物质组成的特点，沉积岩一般分为( )。A．(A) 碎屑岩类、化学岩类、生物岩类

一个人的能力有大小，但是只要能为他人、社会做出贡献，他的生命就有价值。 [     ]

Thirty years ago, the sales staff at department stores tended to look up to people who had a university degree.__  _ in another 30 years, getting a university degree could just be one of many ____(形式) of education. According to a r_____ released by the Ministry of Education at the end of 2006, there will be 30 million s______ in China in 2010.That is 5 million more than in 2008. Job pressures will still exist, or become ____ worse as the number of students ______(增加)。University will not be the only way for people to develop. A degree will not always p____ students for the real world, but mastering certain _____(技能) can put food on their plate. So universities might a _____ students to postpone their studies for one or two years to enter __   (社会) and attain experience.

遵义会议的时间为？

若变量已正确定义为int型，要通过语句scanf("%d,%d,%d",&a,&b,&c)；给a赋值1、给b赋值2、给c赋值3，以下输入形式中错误的是______。(Ц代表一个空格符)

A．ЦЦЦ1,2,3＜回车＞

B．1Ц2Ц3＜回车＞

C．1,ЦЦЦ2,ЦЦЦ3＜回车＞

D．1,2，3＜回车＞

私人物品具有（）。

A.竞争性

B.非竞争性

C.排他性

D.非排他性