白喉杆菌的特点为（） A.呈杆状，一端或两端稍肥大 B.革兰染色阳性 C.产生强烈的

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．application

B．applications

C．organizing

D．programming

合适的吸氧浓度为（）

A.25—29%

B.29—37%

C.37—41%

D.37—45%

买卖进出口许可证、进出口原产地证明以及其他法律、行政法规规定的经营许可证或者批准文件，情节严重的，处五年以下有期徒刑或者拘役，并处或者单处违法所得( )以下罚金。

A．一倍以上五倍
B．一倍以上三倍
C．三倍以上五倍
D．三倍以上十倍

木制口琴(供儿童玩具用)

将煤层同一标高的各点连成一条线，叫煤层的（）。

A、等高线

B、水平线

C、走向线