下列IP地址中属于B类IP地址的是______。A．30.111.168.1 B．1

在河流较少的平原地区，乡村的平面形态多呈

①带状②环状③团聚型④棋盘式[ ]

A．①②

B．②③

C．③④

D．②④

3月5日到3月9日重庆八中组织了初2013级全体同学到重庆通讯学院参加了国防教育活动，3月8日全体同学进行了军事拉练。拉练时全年级同学排成了1000米的队伍，在行进过程中排尾的一名同学接到教官的命令到排头，然后立即返回，当这名同学回到排尾时，全队已前进了1000米，如果队伍和这名同学行进的速度都不改变，那么这名同学所走的路程约为          米。

非甾体类抗炎药最常见不良反应是( )

A．皮疹
B．肝功能异常
C．胃肠道不良反应
D．视网膜病变
E．性腺抑制

While attractiveness is a positive factor for a man on his way up the executive ladder, it is harmful to woman.
Handsome male executives were perceived as having more integrity than plainer men; effort and ability were thought to account for their success.
Attractive female executives were considered to have less integrity than unattractive ones; their success was attributed not to ability but to factors such as luck.
All unattractive women executives were thought to have more integrity and to be more capable than the attractive female executives. Interestingly, though, the rise of the unattraetive overnight successes was attributed more to personal relationships and less to ability than was that of attractive overnight successes.

客运出租汽车行业的管理和发展坚持（）的原则。

A、统筹规划、统一管理

B、总量调控、合法经营

C、公平竞争、方便群众

D、加强管理、服务社会