16.石油瀝青的塑性指標是(      )

A.延度                                                          B.軟化點

C.針入度                                                       D.蒸發(fā)后針入度比

17.民用建筑按層數(shù)分類，屬于多層的是(      )

A.2～3層                                                      B.4～6層

C.6～8層                                                      D.7～9層

18.火車站、體育館、劇場等建筑一般以公共活動的大廳為主，穿插依附布置輔助房間，其平面組合設計應選擇(      )

A.套間組合                                                   B.大廳式組合

C.單元式組合                                                D.走道式組合

19.動力建筑、貯藏建筑、運輸建筑等屬于(      )

A.民用建筑                                                   B.工業(yè)建筑

C.農(nóng)業(yè)建筑                                                   D.軍用建筑

20.一般廚房、廁所門洞口寬度為(      )

A.600mm                                                      B.700mm

C.800mm                                                       D.900mm