磺胺类抗生素的抗菌机制是
A.影响叶酸代谢B.抑制核酸代谢C.抑制细菌细胞壁的合成D.抑制蛋白质合成E.影响细胞膜的通透性
参考答案:A
Object-oriented DBMS integrated a variety of (81) data types-such as business procedures, graphics, pictures, voice and annotated text.
Object orientation also makes a (82) to application development efficiency. It makes the data, functions, attributes, and relationships an integral part of the (83) . In this way, objects can be reused and replicated.
Some leading RDBMS vendors support the concept of integrating object management capabilities with their current line of relational products. That capability enable users to the development cycle, since integrity logic and business roles no longer need to be programmed (84) each application.
(82)是()
A.tool
B.in
C.idea
D.contribution
E.joke
F.short
G.object
H.theoretical
I.extent
J.shorten
K.real-world
L.into
上腔静脉阻塞综合征常见于
A.支气管哮喘B.肺结核C.支气管肺癌D.支气管扩张E.阻塞性肺气肿