在面向对象分析过程中，用概念模型来详细描述系统的问题域，用 (5) 来表示概念模型。

用括号内所给动词的正确形式填空（共5小题；每小题1分。满分5分）

小题1:—I hear that Sam has gone to Beijing for his holiday.

—Oh, how nice! Do you know when he ________ (leave)? 

小题2:—What’s wrong with my computer, Jim?

—Let me see. Oh, it _________ (break) down. You’d better ask Mr. Li to mend it.

小题3:The reporter said that the UFO _________ (travel) from east to west when he saw it.

小题4:Look! The teenagers are making cards ________ (show) love for their mothers.

小题5:－That important problem __________ (discuss) for nearly two weeks.

－Yes, it’s hard for us to solve it.

患者，女，30岁，已婚。经行量多，色淡红，质清稀，伴有神疲肢倦，气短懒言，小腹空坠，面色白，舌淡，苔薄，脉细弱。其证候是（）

A.血虚

B.气虚

C.血瘀

D.血热

E.阴虚

在干燥季节，10KV电缆的绝缘电阻应不低于（）。

A、1000MΩ

B、10MΩ

C、1MΩ

D、1000Ω

风门底槛日常管理的规定有哪些？

属适应性免疫应答

A．外周淋巴器官
B．补体
C．骨髓
D．淋巴结
E．T及B淋巴细胞