单项选择题 禁止拿取制造区域的一切零件、工具等物品，违者按偷窥处理。如需携带零件出厂 ，必须经（）同意，持有（）开具的《物料出门证》

单项选择题 Which of the following five options are assets( ) A.Money owed to suppliers B.Vehicles used by the business C.Goods bought with the intention of their being sold for a profit D.Computer used in the business E.Bank loan to be repaid within the next year F.Amount owing for office fixtures bought on credit.

单项选择题 3、皮下注射的进针角度是