【单选题】混凝土强度等级是按照 ( ) 来划分的。
【单选题】下列有关对自动变速器车辆在发动机制动方面的叙述,指出错误的( )
A.
为避免发动机制动影响行驶,采用了单向离合器。
【单选题】8条灯芯绒是指该灯芯绒的绒条的密度为( )。
【单选题】下列有关对自动变速器车辆在发动机制动方面的叙述,指出错误的( )。
【单选题】患者女,68岁,肺结核14年,突然咯血,颜面青紫,应首先考虑患者发生了
【单选题】What is the best way suggested by the author to discard aggressive feelings?
A.
Be more understanding and considerate.
B.
Care more about others.
C.
Cultivate one's character and widen one's interests.
D.
Engage in hard work to forget one's troubles.
【单选题】The word 'ditched' in Para. 5 could best be replaced by '________'.