消极型管理是弱效市场的最佳选择。( )

By law, the driver was not ________for the accident, so he was not ________ by the police.   [      ]

A. to be blamed; blamed          

B. blamed; to be blamed

C. to blame; to blame            

D. to blame; blamed

Mr. Irving, who ____ in a high school for forty years, is now living in retirement. [ ]

A. has taught

B. taught

C. had taught

D. has been teaching

艺术品的直接性物质存在是（）

A.物质实在层

B.意象世界层

C.形式符号层

D.意境超验层

早期精神分裂症与神经症主要鉴别点在于前者（）

A.病程急骤

B.起病缓慢

C.幻觉妄想突出

D.不要求治疗

E.躯体症状较轻

真菌细胞壁中与细菌不同的成分是（）

A.生酮类固醇

B.几丁质

C.肽聚糖

D.丁酮酸

E.类脂A