乌头炮制后入药的主要目的( )

A．增强疗效

B．消除或降低药物毒性

C．提高药物的溶解度

D．帮助机体吸收

E．以上均非

In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet. Heterogeneous network environments consist of computer systems from (66) vendors that run (67) operating systems and communication protocols. An organization that (68) its computer resources is usually (69) the task of integrating its heterogeneous systems. Typically, each deparlment or division has defined its own network needs (70) OS, LAN topology, communication protocols, applications, and other components.

A．consolidates

B．consists

C．considerate

D．consoles