下列选项中提到“凡权利无保障……的地方，就没有宪法”的文件为（）。 A.1789年的

根据《招标投标法》和《工程建设项目施工招标投标办法》的规定，招标程序有：①编制招标文件和标底；②对潜在投标人进行资质审查，并将审查结果通知各潜在投标人；③接受投标书；④开标；⑤确定投标人编制投标文件所需要的合理时间；⑥组织投标人踏勘现场，并对招标文件答疑；⑦发售招标文件；⑧发布招标公告或发出投标邀请书；⑨成立招标组织，由招标单位自行招标或委托招标；⑩签订合同；⑩评标；@定标，签发中标通知书。正确的排列顺序是( )。

A．③—②—④—⑥—⑨—①—⑦—⑾—⑿—⑤—⑧—⑩

B．④—③—⑥—⑧—⑩—①—②—⑤—⑾—⑨—⑦—⑿

C．⑨—①—⑧—②—⑦—⑥—⑤—③—④—⑾—②—⑩

D．⑨—⑤—⑩—⑦—④—⑧—②—③—⑥—⑾—⑿—①

并殖吸虫的第一宿主是

A．淡水螺
B．淡水虾
C．溪蟹、蜊蛄
D．猫、狗
E．鼠

TFDS系统设备有（）部分组成。

The average age for women to marry is between 18 and 25.25 tend to (1) when somewhat older. A church wedding often (2) the legal civil ceremony, and a large reception, which often involves (3) music and dancing, is held in the evening. Wedding traditions include (4) money on the bride’s dress to represent future prosperity, the groom (5) the bride at her home, and the couple pulling on opposite (6) of a loaf of bread—whoever gets the largest piece will be (7) boss of the family. Honeymoons are a new tradition.
The principle (8) mutual support is valued in the Bulgarian family. The elderly are (9) cared for by their adult children. Unmarried adults live with their (10) and many newly married couples live with one set of parents (11) they are able to get housing of their own. Most families (12) urban areas live in apartments, which are in short
supply, while (13) in rural areas usually have their own houses. Many village houses (14) owned by families who live in urban areas, who use them_ (15) summer and weekend retreats, or for retired parents.
Most families in (16) areas do not have more than two children, while families in (17) areas tend to be larger. Grandparents play an important role in (18) care, particularly in urban areas, where most women work outside the (19) . Men of the younger generation have begun to help with household (20) , once considered only women’s responsibility.

换热器中热量的流动方向为（）。

A、温度高向温度低

B、温度低向温度高

C、流速快向流速慢

D、流速慢向流速快