SQL注入攻击可以控制网站服务器。

毛 * * 诗词《沁园春·雪》中有“唐宗宋祖”之句，其中“宋祖”指的是（   ）

A．刘邦

B．李渊

C．赵匡胤

D．忽必烈

刚刚过去的11月，《人民日报》头版头条标题《江苏给力“文化强省”》让不少人有些“意外”。一向以严肃严谨著称的《人民日报》采用如此“潮”的标题，立刻引发如潮热议。有网友将这一标题截图发布在微博上后，网友纷纷大呼“标题给力”。从历史唯物主义角度看，材料表明[ ]

A．社会存在决定社会意识

B．社会意识对社会存在具有反作用

C．社会存在与社会意识是辩证统一的

D．意识根源于物质，是客观存在的主观映像

短文填空。

     From mountains to oceans to deserts, Earth is filled with awesome beauty. A__1__ we suffer from

typhoons or earthquakes sometimes, we humans have a pretty fantastic home. It's hard to i__2__

anyone wanting to leave.

    Still, some scientists think that l_3_ Earth is a necessary part of humanity's future. Stephen Hawking,

a well-respected p__4__, once said he didn't believe mankind would be able to s_5_ the next thousand

years if it didn't spread into space. "There are too many accidents that can take people's lives on a single

planet." Hawking said. "But I'm an optimist. We will reach out to the stars." In the past few d__6__,

humans have taken important steps toward conquering space. Astronauts have walked on the moon,

and space t_7__ have caught wonderful images of distant galaxies. The International Space S __8__

has even given astronauts the opportunity to stay in space for months. But there is a big d_9_ between

staying in space for a short time and living there p__10___.

有一泵循环管道，如图6-49所示。各支管阀门全开时，支管流量分别为Q1、Q2若将阀门A开度关小，其他条件不变，则流量Q的变化情况为（）。

A.Q减少

B.Q1减少

C.Q2增加

D.Q不变

债券按发行者不同，分为政府债券、金融债券和( )。

A．企业债券

B．国家债券

C．地方债券

D．长期债券