应用信息时遵循求实原则，必须从以下（）方面做起。
A、要根据具体实际
B、要随时更改信息
C、应用的方式要多样
D、应用的信息要真实
参考答案：A, D
A flag is _____ a piece of cloth. It stands for a nation’s people, their land and their history.
A．not more than
B．not less than
C．more than
D．no more than
那种粒级适合选矿厂工革梯形跳汰机给矿？
