慢性泪囊炎的主要症状是（） A.疼痛可放射到颈部 B.泪囊区红、肿、热、痛，结膜

养花专业户李某为防止偷花，在花房周围私拉电网。一日晚，白某偷花不慎触电，经送医院抢救，不治身亡。李某对这种结果的主观心理态度是什么？

A．直接故意

B．间接故意

C．过于自信的过失

D．疏忽大意的过失

某变电所的三相35kV电容器组采用单星形接线，每相由单台500kvar电容器并联组合而成，请选择允许的单组最大组合容量是：（）

A.9000kvar

B.10500kvar

C.12000kvar

D.13500kvar

细菌按其外形，主要有哪三大类？（）

A.葡萄球菌、链球菌和杆菌

B.球菌、杆菌、螺形菌

C.球菌、杆菌、弧菌

D.球菌、杆菌、芽胞菌

E.以上都不对

中国古代的“六艺”和西方的“七艺”没有什么区别。

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．same

B．similar

C．different

D．difference