下面对茶叶中的咖啡因描述错误的是A．与苯巴比妥的作用相拮抗 B．妨碍利福平的吸收 C

阅读理解。

     London had to raise money for 2012 Olympic Games by selling lottery.

     People will have one in 4. 93 chance of winning the prize.  It has 11 kinds of prizes including the

highest prize 2,012 pounds.

     "More than ll  million lottery cards will be on sale when the prize comes. " Camelot, the National

Lottery operator said.

      It is a part of series of National Lottery Games and Television Shows aimed at raising l. 5 billion

pounds for the Games which begin in seven years.

      London plans to spend 2; 375 billion pounds on building new facilities and l. 5 billion on running

costs when the world's biggest sporting event returns to the capital for the first time since 1948.

     Camelot also hopes to have a new game in 2012, a guessing game about the 2008 Beijing Olympic

Games, and a series of scratch cards and other games.

     These all depend on the permission of the National Lottery Commission and the International

Olympic Committee.

    报据短文内容，判断下列句子的正  （T）误  （F）。

( )1.  The Olympic Games will be held in London in 2012.

( )2  London has enough money to hold the Olympic Games at present.

( )3.  They. will sell 10 million lottery cards to raise money for the Olympics.

( )4.  London will plan to spend 2. 375 billion pounds on building new facilities.

( )5.  This is the first time for London to hold the Olympic Games.

社会主义民主政治的本质是( )。

A．人民当家做主

B．人民民主专政

C．人民代表大会制度

D．人民参与国家管理

阅读下面一首唐诗，然后回答问题。

　　[注]①“送钩”“射覆”都是酒令游戏。②“兰台”是秘书省的别称，诗人当时在该部门任职。

（1）李商隐的《无题》往往着重描写主人公的心理活动，事件与场景的描述常常打破一定的时空次序，随着心理活动流程交错展现。本诗在这方面表现得相当典型，试作简要分析。

①首联：______________________

②颔联：______________________

③颈联：______________________

④尾联：______________________

（2）这种跳跃性思维，能使诗歌内容更加丰富充实，具有什么样的艺术效果？

______________________________________________________

我国旧民主主义革命到新民主主义革命的转折点是（）。

A.辛亥革命

B.新文化运动

C.五四运动

D.中 * * 党成立

下列何种情况下土壤中重金属离子容易被作物吸收（）。

A.pH=2.5

B.pH=7.0

C.pH=7.5

D.pH=8.5

E.pH=9.0