精神文明建设能够为社会主义社会的发展提供精神动力和思想保证，为经济建设提供智力支持和人才资源。 ( )
参考答案：对
From their _____on the top of the TV Tower, visitors can have a better view of the city.
A．stage
B．position
C．condition
D．situation
循环性缺氧的血气特点是( )。
A．氧含量正常
B．氧容量降低
C．血氧饱和度降低
D．动静脉氧含量差正常
E．以上都不是
From their _____on the top of the TV Tower, visitors can have a better view of the city.