宪法之所以成为一个国家民主制度法律化的根本法，就在于它规定了（）。 A.代议制 B.

要使十边形木架不变形，至少要钉上______根木条．

下列选项所述内容属于国家统计局职责的有（）。

A.制定统计工作规章和国家统计调查计划

B.制定全国统一的基本统计报表制度

C.搜集、整理、提供全国性的基本统计资料

D.组织指导全国统计科学研究、统计教育、统计干部培训和统计书刊出版工作

E.开展统计科学国际交流

在色谱流程图中，色谱柱后面的项目是（）。

A.气源和稳压装置

B.检测器

C.定量管

D.处理机

属 * * 结石的临床表现为（）。

A.排尿突然中断，并感疼痛，可放射至阴茎头部和远端 * * ，改变体位后可缓解症状

B.突发性尿线变细，排尿费力，呈点滴状，尿流中断

C.肾绞痛、腰腹部钝痛、放射痛、血尿、梗阻

D.尿频、尿急、尿痛，腰痛，发热

E. * * 口滴脓

The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether.

A certain salad dressing made only of oil and vinegar is premixed and sold in the grocery store. What is the ratio of oil to vinegar in the mix ？（）
(1) An 18.6-ounce bottle of the salad dressing contains 12.4 ounces of vinegar.
(2) In a 32-ounce bottle of the salad dressing, there is half as much oil as there is vinegar.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.