尿毒症病人的周围神经病变的原因可能是（） A.维生素C缺乏 B.维生素B6缺乏 C.

某通史巨著，叙述了上起战国下至五代的历史，总结了许多值得借鉴的经验教训。它是

A．《论语》

B．《史记》

C．《资治通鉴》

D．《三国演义》

药物配伍中，体现"补血而不滞血"者为（）

A．川芎

B．当归

C．黄芪

D．附子

E．白芍

Currently 94% of Web users use either Internet Explorer or Firefox, but recently some new (31) have been developed that are beginning to attract attention. The browser Opera is becoming very (32) because of its speed, it is currently the world’s fastest browser, and because it is much smaller (33) existing browsers (it can almost fit on a single diskette). It can also (34) the last Web page you visited, so the next time you surf, you can start where you left off. And like the big two, you can get it for free; the catch is that you have to watch blinking ads in one comer, or pay ＄40 for the ad-free (35) of Opera.

35（）

A.version 

B.revision 

C.software 

D.book

布比卡因脊麻的起效时间同（）

A.利多卡因

B.丁卡因

C.普鲁卡因

D.罗哌卡因

E.地布卡因

某工程预计工期10个月，施工合同价款为600万元人民币。根据《建筑工程施工许可管理办法》的规定，建设单位在申请领取施工许可证时，应当到位的资金原则上不得少于( )万元人民币。

A．150
B．180
C．300
D．600