面团弱化度

2008年2月22日西气东输二线工程开工，管道包括1条主干线和8条支干线，支干线包括新疆轮南～吐鲁番、宁夏中卫～陕西靖边、河南洛阳～江苏徐州、江西南昌～上海、江西樟树～湖南湘潭、广东翁源～深圳、广东广州～广西南宁、广东肇庆～湛江。回答下面3题

小题1:为西气东输二线管道提供调峰和补充气源的支干线是

①新疆轮南～吐鲁番 ②宁夏中卫～陕西靖边

③河南洛阳～江苏徐州 ④广东广州～广西南宁

A．①④

B．②③

C．①③

D．①②小题2:继“西气东输一线、川气东送”工程之后，再建设“西气东输二线”工程的目的有

①优化东部地区的能源结构，减轻大气污染   ②促进沿线地区高新技术产业升级

③加强东部地区供气的安全性和可靠性      ④利用广州港的优势扩大天然气出口能力

A．①④

B．①②③

C．①③

D．①②④小题3:与西气东输一线管道干线相比，西气东输二线方案具有的优点是

①沿线经济发达，市场需求大        ②供气来源多元化，供气更稳定

③有利于缓解珠三角的能源短缺状况  ④从根本上保障国家能源安全

A．①④

B．②③

C．①③

D．①②

LAN星形结构的性能之一（）

A.可靠性好

B.灵活性好

C.接口简单

D.价格低

在哈尔滨工程大学校的21B教学楼前的广场以一位为学校做出过贡献的名字命名，他是（）

A.陈赓

B.奥列霍夫

C.林毅

D.林彪

请你解释说明第24题的结论。

The average age for women to marry is between 18 and 25.25 tend to (1) when somewhat older. A church wedding often (2) the legal civil ceremony, and a large reception, which often involves (3) music and dancing, is held in the evening. Wedding traditions include (4) money on the bride’s dress to represent future prosperity, the groom (5) the bride at her home, and the couple pulling on opposite (6) of a loaf of bread—whoever gets the largest piece will be (7) boss of the family. Honeymoons are a new tradition.
The principle (8) mutual support is valued in the Bulgarian family. The elderly are (9) cared for by their adult children. Unmarried adults live with their (10) and many newly married couples live with one set of parents (11) they are able to get housing of their own. Most families (12) urban areas live in apartments, which are in short
supply, while (13) in rural areas usually have their own houses. Many village houses (14) owned by families who live in urban areas, who use them_ (15) summer and weekend retreats, or for retired parents.
Most families in (16) areas do not have more than two children, while families in (17) areas tend to be larger. Grandparents play an important role in (18) care, particularly in urban areas, where most women work outside the (19) . Men of the younger generation have begun to help with household (20) , once considered only women’s responsibility.