在下面哪个功能中，可以查看套餐中的电价值（）A、电价套餐管理 B、电价套餐查询 C、

简述影响青少年心理发展的因素。

Prior to the UML, there was no clearleading (66) Ianguage. Users had to choose from among many similar modeling languages with minor differences in overall (67) power. Most of the modeling languages shared a set of commonly accepted concepts that are expressed slightly differently in various languages. This lack of (68) discouraged new users from entering the OO market and from doing OO modeling, without greatly expanding the power of modeling. Users longed for the industry to adopt one, or a very few, broadly supported modeling languages suitable for (69) usage.

Some Vendors were discouraged from entering the OO modeling area because of the need to support many similar, but slightly different, modeling languages. In particular, the supply of add-on tools has been depressed because small vendors cannot afford to support many different formats from many differem (70) modeling tools. It is important to the entire OO industry to encourage broadly based tools and vendors, as well as niche products that cater to the needs of specialized groups.

（68）处填（）。

A．agreement

B．understanding

C．characteristic

D．diversity

近代文学家鲁迅曾说过：“缠绵流丽，虽词人不能过也。”请问这是对哪位皇帝的哪部作品的评价？

中国高铁在发展过程中，有效推进了土木工程、动车组成系统、运行控制系统的技术创新和服务管理模式的创新。通过系统创新，中国高铁在赢得国民信任的同时，也逐渐赢得力量国际信誉。截止2014年底，中国高铁运营总里程超过1万6千公里。材料体现的哲理是（）

①要坚持整体与部分的统一

②创新推动社会生产力发展

③新事物的力量总是强大的

④自在事物的联系是客观的

A、①②

B、①③

C、②④

D、③④

水泥进场时应对其品种、级别、包装或散装仓号、出厂日期等进行检查，并应对其强度、安定性及其他必要的性能指标进行复验。（）