毛 * * 说：“如果我们能够普遍彻底解决土地问题，我们就获得了足以战胜一切敌人的最基

光年是天文学中的距离单位．1光年约是9 500 000 000 000km，用科学记数法可表示为（  ） [ ]

A．950×10¹⁰km

B．95×10¹¹km

C．9.5×10¹²km

D．0.95×10¹³km

主动脉窦瘤破裂的鉴别诊断疾病包括（）

A.室间隔缺损合并主动脉瓣关闭不全

B.冠状动脉瘘

C.动脉导管未闭

D.法洛四联症

E.主动脉瓣狭窄

SO₂通入下列溶液中，溶液褪色或变浅，说明SO₂具有漂白作用的组合是

①KMnO₄(H^＋，aq)　②溴水　③碘水　④氯水　⑤Fe^3＋(aq)

A．①⑤

B．②③④

C．全部

D．都不是

物资领料单码

Originally introduced by Netscape Communications, (1) are a general mechanism which HTTP Server side applications, such as CGI (2) , can use to both store and retrieve information on the HTTP (2) side of the connection. Basically, Cookies can be used to compensate for the (4) nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based (5) .

2（）

A.programs

B.applications

C.frameworks

D.constrains