旅游者在办理退票手续时，以下哪种说法正确( )A．旅游者因家中有事可以退票 B．旅

B The Ancient Olympic Games古代奥林匹克运动会
According to historical records，the first (1) Olympic Games can be traced back to 776 BC.They (2) dedicated to the Olympian gods and were staged on the (3) plains of Olympia.They continued for nearly 12 centuries， (4) Emperor Theodosius decreed in 393 A.D.that aU such"pagan cults" (5) banned.
The oldest myth which concerns the beginning of the (6) Games is that of Idaios Daktylos Herakles.According to other (7) ，Zeus，the father of humanity，fought and defeated Cronus in a (8) for the throne of the gods.Finally，the well-known (9) Herakles is mentioned who staged games in Olympia in honour (10) Zeus,because the latter had helped him conquer Elis when (11) went to war against Augeas.
Through the 12 centuries of (12) Olympic Games，many wonderful athletes competed in the stadium and (13) hippodrome of ancient Olympia’s sacred area，moving the crowds with (14) great achievements.Although mortal，their Olympic victories immortalised them.Of (15) best athletes who left their mark on the sacred vallev (16) Olympia，some surpassed all limits and became legends by winning (17) successive Olympic Games and remaining at the forefront of their (18) for more than a decade.
The ancient Olympic Games were (19) a one.day event until 684 BC.when they were extended (20) three days.In the 5th century B.C.，the Games were extended again to cover five days.

2012年6月28日，广东深圳市200多位人大代表分别前往179个选区，汇报上半年的履职情况，同时反馈民意，听取民声。这表明该市人大代表

①是部门利益的代表者           ②代表人民的利益和意志

③积极协助宪法和法律的实施     ④与人民群众保持密切联系  

A．②④

B．①④

C．②③

D．③④

一般网络系统都具有的主要功能与特点是（）。

A、资源共享

B、均衡负载互相协作

C、分布处理

D、提高计算机的安全

E、提高资源的利用率

证券公司、托管机构应当至少每（）个月向客户提供一次准确、完整的资产管理报告、资产托管报告，对报告期内客户资产的配置状况、价值变动等情况进行详细说明。

A.3

B.5

C.10

D.15

高碘酸钠法的独特之处在于

A．适用于各种醇类的氧化定量

B．适用于α-羰基醇(如糖醇)，α-二醇类(如丙二醇)定量测定

C．适用于含α-氨基醇基团的化合物定量

D．A+B+C

E．B+C