黄瓜植株上的花，有的能结果，有的不能结果。对这种现象的合理解释是 A．黄瓜花是单

假如你想穿越时空，回到原始社会去体会我国最早的原始人类的生活，那么你应该到[ ]

A．云南元谋县

B．北京山顶洞

C．北京周口店

D．浙江河姆渡

根据《企业国有资产交易监督管理办法》的规定，下列关于国家出资企业增资的表述中，不正确的是（）。

A.因增资致使国家不再拥有所出资企业控股权的，须由国有资产监督管理机构报本级人民政府批准

B.对主业处于关系国家安全、国民经济命脉的重要行业和关键领域，主要承担重大专项任务的子企业的增资行为，须由国家出资企业报同级国有资产监督管理机构批准

C.企业增资通过产权交易机构网站对外披露信息公开征集投资方时，时间不得少于20个工作日

D.投资方以非货币资产出资的，应当经增资企业董事会或者股东会审议同意，并委托具有相应资质的评估机构进行评估，确认投资方的出资金额

Regardless of their political affiliation, in all countries women must overcome a host of stumbling blocks that limit their political careers. "Most obstacles to progress consist of (1) of various kinds," says the Inter-Parliamentary Union (IPU), a Geneva-based organization (2) 139 parliaments, including the lack of time, training, information, self-confidence, money, support, motivation, women’s networks and solidarity between women.

In every culture, prejudice and stereotypes (3) hard. The belief still holds (4) that women belong in the kitchen and (5) the children, not at election (6) or in the Speaker’s chair. The media often reinforce traditional images of women, who, upon entering politics, also bear the brunt (正面冲击) of verbal and physical (7) .

In impoverished (贫穷的) countries (8) by civil conflicts and deteriorating economic and social conditions, women are (9) by the tasks of managing everyday life and looking after their families.

The IPU stresses the general lack of child-care facilities—often (10) a privileged few—the (11) of political parties to change the times and running of meetings and the weak backing women receive from their families. That support, which is (12) as well as financial, is (13) vital because women have internalized (14) images of themselves since the (15) of time and often suffer from low self-confidence.

Another obstacle is the lack of financial resources, especially as election campaigns become increasingly expensive. (16) , women encounter more or less open machismo (男子汉的高傲) in the (17) of closed political circles (18) entry to the "second sex. " Lastly, they (19) the lack of solidarity between women, (20) by the fact that the number of available positions is limited.

7（）

A.penalties

B.attacks

C.tortures

D.abuses

鲍鱼是鱼类原料中的高档品种。( )

氧在水中的溶解度与氧的压力成（）。

A、反比

B、指数关系

C、对数关系

D、正比