细胞基底面与基膜之间起固着作用的细胞连接为：A．桥粒 B．半桥粒 C．紧密连接 D．

Object-oriented analysis (OOA) is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is (71) . It determines how the various results are computed by the product and presents this information in the form of a (72) and associated scenarios. The second is (73) , which determines the classes and their attributes, then determines the interrelationships and interaction among the classes. The last step is (74) , which determines the actions performed by or to each class or subclass and presents this information in the form of (75) .

（71）处填（）。

A．static modeling

B．dynamic modeling

C．use-case modeling

D．behavioral modeling

任何一个奇数加上一个什么后，和一定是一个奇数？[ ]

A.偶数

B.质数

C.合数

D.奇数

More and more students are       this modern type of instruction.

A．resulting from

B．figuring out

C．benefiting from

D．bringing up

低钾血症时，最早出现的临床表现是

A．心脏传导阻滞
B．肌乏力
C．心电图改变
D．心脏节律异常
E．口苦、恶心

Road accidents victims____ almost a quarter of the hospital patients. [    ]

A. make off    

B. make up  

C. make out    

D. make for