前庭大腺炎的主要病原体有（）。 A.葡萄球菌 B.大肠埃希菌 C.加德纳菌 D.淋病

读短文找出Yangtang 的五位好朋友的所在地。

     Yangyang has five good friends. They are not from the same place. Dived lives in the north. His home is

in Lanark, near Glasgow. Alia also lives in the north. He is in Edinburgh. Mona is Alia's sister. She studies in

London. Anne lives in the west. Her hometown is near Cardiff, it's Newport. Pat is Anne's good friend. Her

hometown is also Newport. But she studies in Birmingham now.

下列有关实验现象的描述与事实不相符合的是 

[    ]

A．红磷在空气中燃烧产生大量白烟

B．镁条在稀盐酸中反应放出热量

C．铁丝在氧气中燃烧生成白色固体

D．硝酸铵在水中溶解时溶液温度降低

根据经济社会发展水平，我国适时调整扶贫标准。（见下图）依据最新标准，到2011年底对应的扶贫对象约为1．28亿人。这表明 [ ]

①我国仍处于社会主义初级阶段

②扶贫标准随经济增长逐步提高　

③我国已进入中等发达国家行列

④党和国家重视解决民生问题

A．①②③

B．①②④

C．①③④

D．②③④

简述清代军机处的设置及其职能。

一般电动机正常运行情况下用电设备端子处电压偏差允许值+5%～-5%。()