文化氛围看不见、摸不着，却无时无刻不在影响着人们。下列这首诗中体现的道理与之相对应的

下列营养素中含氮的是（）

A.脂肪酸

B.甘油

C.甘油三酯

D.蔗糖

E.蛋白质

卫生法中基本特征显示，随着社会的发展，在世界各国卫生立法中的共识是关注（）。

A.卫生标准

B.技术规范

C.社会公众利益

D.卫生人员行为

E.加强卫生管理

股票及其他有价证券的理论价格是根据现值理论，将股票的期值按（）利率和证券的有效期限折算今天的价值就是其理论价值。

A．当前的市场利率

B．同期银行贷款利率

C．同期银行存款利率

D．资本成本

The following questions present a sentence, part of which or all of which is underlined. Beneath the sentence, you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

These questions test correctness and effectiveness of expression. In choosing your answer, follow the requirements of standard written English; that is, pay attention to grammar, choice of words, and sentence construction. Choose the answer that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error.

Hip dysplasia is more common among German shepherds than dogs of other breeds.（）

A. than

B. than is so of

C. compared to

D. in comparison with

E. than among

当人们研究了原型化策略后，可知道建立原型实为一个 【20】 ，而不是一个逻辑过程。