目前，我国信用卡总量已达到2.1亿张。我国信用卡市场发展迅速的原因是（） A.信用卡

美国教育家布鲁巴赫等人从时间的角度把反思性教学实践分为（）。

A.对实践的反思

B.实践中的反思

C.为实践反思

D.向实践反思

______是计数单位，______是数位．

A．万级 B．十万 C．百位．

LC回路中电容器极板上的电荷量随时间的变化关系如右图所示，下列说法不正确的是（    ）

A．在t₁时刻，电路中的磁场能最小

B．从t₁时刻到t₂时刻，电路中电流变小

C．从t₂时刻到t₃时刻，电容器不断被充电

D．在t₄时刻，电容器的电场能最小

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.

19（）

A.convict

B.justify

C.highlight

D.regret

炎热季节施工混凝土下列哪个关于养护的说法是错误的（）。

A.养护时经常洒水

B.通风要良好

C.养护有时要进行覆盖

D.防止受到振动