《高层民用建筑设计防火规范》规定，高位水箱的储水量一、二类公共建筑分别不应小于（）。

患者男，21岁。体检发现胸骨左缘第2～3肋间2～3级收缩期杂音，肺动脉瓣区第2心音亢进，伴固定性分裂。

临床常见并发症不包括（）

A.反复发作性肺炎

B.慢性充血性心力衰竭

C.肺动脉高压

D.异位栓塞

E.亚急性感染性心内膜炎

包糖衣过程中包肠溶衣可选用( )

A．明胶浆
B．羟丙基甲基纤维素
C．虫胶
D．滑行粉
E．虫蜡

由以下数据能估算出水分子直径的是（　　） A．水的质量、水的体积和阿伏加德罗常数 B．水的质量、水的密度和阿伏加德罗常数 C．水的摩尔质量和阿伏加德罗常数 D．水的摩尔体积和阿伏加德罗常数

ISO 9000族标准中，质量管理的中心任务是 (58) 。

A．预防不合格
B．建立并实施文件化的质量体系
C．持续的质量改进
D．定期评价质量体系

Column A

①the Oral Approach
②the Audiolingual Approach
③the Cognitive Approach
④the Natural Approach
⑤the Communicative Approach

Column B

a. Rule learning, meaningful practice and creativity are the focus of classroom teaching.
b. Some of the skills are developing listening and note-taking skills, giving oral presentation, project work, role play and simulation.
c. It employs situations for presenting new sentence patterns and drill-based manner of practising them.
d. In class students are asked to first listen to a dialogue, then repeat and memorize it.
e. When learners are ready to begin talking in the target language, the teacher provides comprehensible and simple response opportunities.