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问题 单项选择题

柴油机复合式空气滤清器安全滤芯一般情况下不需进行保养，只有在（），安全滤芯的积尘较多时，才进行清理检查。

A.主滤芯完好

B.主滤芯破损

C.更换新滤清器时

D.淘汰旧滤清器时

答案

参考答案：B

单项选择题 A3/A4型题

王某主诉多吃、多喝、多尿、体重减轻，医生怀疑是糖尿病，拟测定空腹血糖和葡萄糖耐量试验。

试验前的准备工作中，错误的是（）。

A.每日饮酒限制在100ml以内

B.吃正常餐3日以上

C.停用降血糖药物

D.每日摄入碳水化合物300g以上

E.试验开始前，禁食10小时以上
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单项选择题

Prior to the UML, there was no clear leading (111) language. Users had to choose from among many similar modeling languages with minor differences in overall (112) power. Most of the modeling languages shared a set of commonly accepted concepts that are expressed slightly differently in various languages. This lack of (113) 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 (114) 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 different (115) modeling tools. It is important to the entire O0 industry to encourage broadly based tools and vendors, as well as niche products that cater to the needs of specialized groups.

（113）是（）

A.agreement

B.understanding

C.characteristic

D.diversity
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