11.可見光在光譜中的波長范圍為(      )

A.400nm－560nm                                           B.400nm－660nm

C.400nm－760nm                                           D.400nm－860nm

12.檔案庫房內(nèi)的微生物多數(shù)為___________微生物。(      )

A.好氧性                                                       B.厭氧性 

C.兼性厭氧性                                                D.好氧性和兼性厭氧性

13.對于大、中型檔案應(yīng)采用消毒室來處理帶菌的檔案，熏蒸室面積宜在___________平方米。(      )

A.4                                                                B.5 

C.10                                                              D.15

14.化學(xué)殺蟲劑中的___________是通過害蟲取食，由消化道進入蟲體，使其中毒死亡的。(      )

A.磷化氫                                                       B.環(huán)氧乙烷    

C.砷素劑                                                       D.除蟲菊粉

15.通過實際測量表明___________隔熱效果最不理想。(      )

A.實體材料層隔熱屋頂                                  B.封閉空氣間層隔熱屋頂

C.通風(fēng)間層隔熱屋頂                                      D.通風(fēng)閣樓隔熱屋頂