氨基酸通过主动转运全部被重吸收，其部位是A．近球小管 B．远球小管 C．髓袢升支 D

Network managers have long awaited practical voice-over-IP (VOIP) solutions. VOIP promises ease network management and decreases (66) by converging a company’s telephony and data infrastructures into one network. And a VOIP solution implemented at a company’s head-quarters with far-reaching branch offices can (67) tremendous amounts of money in long distance phone bills, provided that solution delivers POTS-like voice (68) over the Internet.
VOIP gateways are designed to convert voice from the (69) domain to the circuit switched domain. VOIP solutions use a digital signal processor (DSP) to process the voice data, preparing the voice sample for transmission by compressing voice and removing jitter. The VOIP equipment must comply with the (70) H.323 standard defined by the International Telecommunication Union, or ITU.

A．waste

B．save

C．get

D．put

22．Lawrence Craven, a doctor from the USA，is the author of several published reports, one of______ introduced the idea in 1953 ______aspirin could reduce the risk of heart attacks．

A．them; when

B．which; that

C．what; that

D．which; when

下列对我国第一颗原子弹爆炸成功历史意义的表述，不正确的是  [ ]

A、对维护世界和平具有重要意义

B、打破了帝国主义的核垄断

C、进入世界霸主行列

D、加强了我国的国防力量

甲公司被依法宣告破产，管理人的清算结果为：甲公司的破产财产共1900万元，发生破产清算费用110万元，欠职工工资140万元，欠税款1500万元，破产债权3000万元，其中乙公司拥有破产债权1000万元。根据《企业破产法》规定，乙公司受偿的金额为（）万元。

A.150

B.50

C.35

D.15

根据我国船舶法定检验规则规定，国内近海和远海航区的货船配备的救生艇、筏分别应能容纳全船总人数的（）%。

A.200／200

B.150／150

C.150／200

D.200／150