深度约60m较均匀的砂卵石土坝地基的防渗处理宜选：（）。A.帷幕灌浆 B.固结灌浆

患者经行量多，色紫黯，有血块，经行腹痛，平时小腹胀痛，舌紫黯，脉涩。其治法是（）

A.补气摄血固冲

B.清热凉血，固冲止血

C.健脾益气，固冲止血

D.活血化瘀止血

E.补肾调经，固冲止血

甲河是多国河流，乙河是国际河流。根据国际法相关规则，下列哪一选项是正确的？（）

A.对甲河的航行、使用、管理等事项，一般都应由有关国家协议解决

B.甲河上游国家可进行改道工程，以解决自身缺水问题

C.乙河只对沿岸国商船开放

D.乙河属于人类共同的财产

公安机关侦查一起抢劫案件，进行搜查时，在场见证的人员不能是（）。

A.被搜查人

B.被搜查人家属

C.被搜查人邻居

D.被害人

The development of e-commerce may well bring the world into a brand new era of "electronic currency". At the moment, (51) areas in Europe, the United States and Asia have already started studying the possibility of an electronic currency. Electronic currency is not only about currency. It (52) to an entire finance system on the Net. It includes a virtual numeric currency, an electronic system of withdrawals, transfers and loans, and (53) cards of all shapes and sizes. The (54) of an electronic currency system implies the emergence of "virtual banks" and "virtual enterprises". Actually, the first virtual bank appeared in the US in 1995. (55) it is a small and insignificant bank, it represents the trend of the future. In time to come, we may even have to (56) the familiar paper currency.

As the Net pushes the economy (57) rapidly, the economy is also bringing the Net market forward, resulting in the Internet itself becoming the world’s largest emerging market. Of course, this is just the beginning. Although there are many companies which made huge profits (58) in the Internet market, they tend to be small companies. To date, most companies are making losses. The competition in the knowledge-based economy will also be more (59) This will definitely promote (60) and more efficient cooperation.

54().

A.appearance 

B.disappearance 

C.campaign 

D.ceremony

无线列调设备的倒修数量配备，车站电台的倒修数量按实际运用数量的（）配备

A、50%

B、40%

C、30%

D、20%