【单选题】邓小平理论作为党的指导思想的明确确立,是在党的()
【单选题】在IM0采纳的分道通航水域,下列哪种船舶可避免分道通航制条款的约束:
D.
以从事使其驶离其航向的能力严重受到限制的拖带作业的船舶在作业所必需的限制内
【单选题】在工频 X 线机中,下列元件不属于灯丝加热变压器初级电路的是( )
【单选题】设一组初始记录关键字序列为(13,18,24,35,47,50,62,83,90,115,134),则利用二分法查找关键字90需要比较的关键字个数为( )
【单选题】Definition of Nucleic acid Hybridization
A.
It is based on the observation that two single-stranded nucleic acid molecules of complementary base sequence can form a double stranded hybrid.
B.
Technique whereby two different types of cells (from one organism or from different species) are joined to produce one cell with one, continuous plasma membrane .
C.
T he specimen is illuminated by a finely focused laser beam that rapidly scans across the specimen at a single depth, thus illuminating only a thin plane (or “optical section”) within the specimen .
D.
The smallest distance between two points on a specimen that can still be distinguished as two separate entities .
E.
They are made by identical immune cells from a unique parent cell .
【单选题】水泥胶砂的配合比为水泥:标准砂:水=()。
【简答题】债券的到期期限越长,久期也越长。随着期限的增长,同一幅度的期限上升所能引起的久期增加相同,即期限对久期的边际作用不变。( )