【判断题】在刚性密闭容器中,有下列理想气体反应达平衡:A(g) + B(g) = C(g),若在恒温下加入一定量的惰性气体,则平衡将向右移动。
【单选题】以下关于激光器输出说法不正确的是:
A.
一般当外界激发作用增强时,激光器的输出功率增加
C.
激光器稳态工作条件是0小于g1g2的乘积小于1
【单选题】具有收敛止血和保护溃疡面的抗酸药是( )
【单选题】___ great the demand to succeed, one should never abandon his moral and social consciousness.
【单选题】One should never lose heart when______with temporary difficulties.
C.
having been confronted