当绝对不存在磁粉图形时，可能是（）A．材料是非磁性的； B．使用的安培值太低； C．

NET is both a business strategy from Microsoft and its (71) of (72) support for what are known as Web services, the ability to use the Web rather than your own computer for various services. Microsoft’s goal is to provide individual and business users with a (73) interoperable and Web-enabled interface for applications and computing devices and to make computing activities increasingly Web browser-oriented. The .NET (74) includes servers; building-block services, such as Web-based data storage; and device software. It also includes Passport, Microsoft’s fill-in-the-form-only-once identity (75) service.

A．plane

B．plate

C．platform

D．plant

根据《抗菌药物临床应用管理办法》，医疗机构购进抗菌药物，应优先选用（）

A.《国家基本药物目录》收录的抗菌药物品种

B.《国家基本医疗保险、工伤保险和生育保险药品目录》收录的抗菌药物品种

C.《国家处方集》收录的抗菌药物品种

D.口服剂型的抗菌药物

E.中药抗菌药物

有关乙烯精馏塔出现淹塔时的现象，下列说法正确的是（）。

A．塔釜液面低

B．塔釜温度高

C．塔压差高

D．塔压差低

繁荣社会主义文化的根本保证是 [ ]

A、党的领导

B、发展社会主义先进文化

C、把握先进文化的前进方向

D、建设社会主义精神文明

化纤制针织或钩编紧身服及衬衫