【单选题】关于细胞水肿,下述哪项是正确的
C.
由于能量供应不足,细胞膜上的钠泵受损,导致细胞内水分增多
【单选题】Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You shoul...
A.
They are more likely to survive serious diseases today.
B.
Their average life span has been considerably extended.
C.
They have lived long enough to read this article.
D.
They are sure to enjoy a longer and happier life.
【简答题】根据短文内容,从下面所给的A—F选项中选出能概括每一段(61-65)主题的最佳选项。选项中有一项为多余项。 A. Attach more aid to weak schools. B. Children should share the same educational rights. C. Heavy load is supposed to be taken off the students’ ...
【单选题】下列导游员的服务礼仪中,不正确的是( )。
【单选题】某12层现浇框架-剪力墙结构,抗震设防烈度8度,丙类建筑,设计地震分组为第一组,Ⅱ类建筑场地,建筑物平、立面如下图所示,非承重墙采用非黏土类砖墙。 由于结构布置不同,形成四个不同的结构抗震方案。水平地震作用分析时,四种方案中与限制结构扭转效应有关的主要数据见下表,其中T t 为结构扭转为主的第一自振周期,T 1 为平动为主的第一自振周期,u 1 为最不利楼层竖向构件的最大水平位移,u 2 为相应于...
【单选题】The Managing Director said that improving relations with the association would not be easy, but that they ______to try.
【多选题】Consider a relation with schema R(A,B,C,D) and functional dependencies A → C, BC → D. Which of the following FDs are BCNF violations? (This is a multiple choice question)
【简答题】根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 (注 ,E涂AB,F涂AC, G涂 AD ) Good study habits __ 小题1: __They’ll help you learn the material if you practice over and over again. Play around with them to fit yor o...