南非有一种以为儿童提供社会经验为目的的学前教育机构叫（）A.课后托管中心 B.联合保

全口所有牙齿中体积最小的是（）

A.下颌侧切牙

B.下颌中切牙

C.上颌侧切牙

D.下颌尖牙

E.下颌第一前磨牙

《北京市“十二五”时期水资源保护及利用规划》称，2015年前，本市将建立合理的水价形成机制，合理调整居民生活用水水价，全面推行居民用水阶梯水价。下图是世界部分城市生活用水价格。回答问题。

小题1:近年来我国北京等许多城市都提高了用水价格，其主要目的是     ( )

A．促进节约用水

B．与国际水价接轨

C．增加国家税收

D．增加地方财政收入小题2:水资源是否丰富的标志是多年平均径流量的多少。下列城市中其径流量比较稳定的是                                                ( )

A．伦敦

B．纽约

C．罗马

D．东京小题3:北京市是一个资源性缺水城市，而且近几年无法有根本性的改变。北京市缺水的自然原因的是                                        ( )

A．地表径流少

B．过量开采地下水

C．水污染严重

D．人口增长，经济发展，用水量大

项目的社会评价，应主要从区域社会的角度，分析( )对区域环境的影响，对区域经济社会可持续发展的影响等。

A．项目建设

B．项目规模

C．社会效益

D．经济效益

气性坏疽局部表现为()。

A．患肢胀裂样疼痛

B．明显肿胀

C．伤口恶臭

D．皮下气肿

E．伤口有浆液血性液体流出

Beijing: The United States and North Korea had their first ________in four months here this afternoon as part of the ________negotiations on how to end North Korea’’s nuclear program, but diplomats played down prospects for________.James A. Kelly, assistant________, and Kim Yong II, North Korea’’s deputy foreign minister, met ________of formal discussions, ________on direct dialogue that began after a stormy meeting ________in which North Korea warned that it was moving quickly to ________nuclear arms.The Bush administration had insisted ________that it would only hold talks with North Korea ________because, it argued, only ________pressure would persuade North Korea to________. It got its way when North Korea dropped its insistence on ________and agreed, after extensive efforts by China, to hold unusual simultaneous negotiations with ________,________,________and ________as well as the United States.Though Bush administration officials had not ________talking privately with the North Koreans during________, the fact that Mr. Kelly and Mr. Kim met on the first day was seen as a sign of ________by the American side.