【多选题】下列属于陕西省矿产资源主要特点的有( )。
【多选题】储层的宏观非均质性主要表现为渗透率的非均质性,易造成油田开发中的( )现象。
【判断题】按钢的化学成份分类,钢可分为:低碳钢、中碳钢、高碳钢、低合金钢和合金钢等五类。
【单选题】ZD6系列电动转辙机摩擦联接器夹板弹簧各圈的最小间隙不能小于()mm。
【单选题】艾宾浩斯记忆遗忘曲线图说明,学习中的记忆遗忘是有规律的,遗忘进程是不均衡的,“先快后慢”。在学习中,我们应该
【单选题】At the beginning of the watch the current operational parameters and the condition of all machinery should be verified and also the log readings should correspond with those
A.
noted by the bridge officer
B.
told by last duty engineer
D.
in the instruction manual
【单选题】What marked the beginning of the Romantic Age?
A.
The finish of the novel Oliver Twist.
B.
The use of rimed couplet.
C.
The publication of the work named Lyrical Ballads.
D.
The finish of the prose Utopia.