【多选题】关于选煤厂建筑物及构筑物设计的说法正确的是
A.
沉降缝设置:沉降缝的宽度一般150~200mm
D.
厂房中的设备可以直接安装在楼板上,载荷由楼板承载
【单选题】某孕妇,31岁。妊娠32周行产前检查。护士为其测量腹围,正确的测量位置是
【简答题】工件的装夹主要有3种方法,分别是: 、 、 。
【单选题】1 Many people seem to think that science fiction is typified by the covers of some of the old pulp magazines the Bug-eyed Monster, embodying every trait and feature that most people find repulsive, is...
A.
it is not important enough to be a literary genre
B.
it cannot be made into a dramatic presentation
D.
it shares characteristics with other types of prose fiction
【判断题】折扣的表示往往由折扣率与折扣期限两者构成,折扣率越小,折扣期限一般就越长;而折扣率越大,折扣期限一般就越短。
【判断题】配对设计资料的Wilcoxon符号秩检验的 H 0 假设为:差值的总体均数为 0 。
【单选题】OSI参考模型中的物理层传输的是二进制数位流,单位为( )
【单选题】While some office jobs would seem ______ to many people, there are quite a few jobs that are stimulating, exciting and satisfying.
【单选题】While some office jobs would seem boring to many people, there are quite a few jobs that are stimulating, exciting and satisfying.