定义在R上的偶函数f（x）在区间[0，+∞）上为减函数，则不等式f（1）＜f（lgx）的解集为（ ）
Jim was too __________to say anything to his wife when he heard the ________ news.
A．excited; excited
B．exciting; exciting
C．exciting; excited
D．excited; exciting
在一般情况下，若诊断排除一个可能涉及电控系统的发动机故障，首先应该判断故障是否与（）有关
A、传感器
B、电控单元
C、电控系统
