人的个性上差异主要表现在()A．认识过程、情绪过程、意志过程 B．认识过程、情感过程

某有机物A（只含C、H、O三种元素）是一种重要化工生产的中间体。已知：

①A的蒸气密度是相同状况下氢气密度的83倍，分子中碳原子总数是氧原子总数的3倍。

②A属于芳香族化合物，其苯环上只有一个取代基，且取代基碳链上无支链；

③A可与NaHCO₃溶液作用，产生无色气泡；

④A在一定条件下可与乙酸发生酯化反应；

⑤A存在如下转化关系：

试根据以上信息回答问题：

（1）A的分子式            ；A中含氧官能团的名称               。

（2）D的结构简式为              。

（3）写出A→C和A→B的化学反应方程式（注明反应条件），并注明反应类型：

A→C：                         _____________________________________，

反应类型：               ；

A→B：                         ______________________________________，

反应类型：               。

（4）符合下 * * 个条件的A的同分异构体的数目共有        个。

①苯环上只有两个邻位取代基

②能与三氯化铁溶液发生显色反应

③一定条件下可以水解生成两种物质

写出其中任意一个同分异构体的结构简式                          。

编制标底价格应遵循的原则有（）。

A．标底价格一般应控制在批准的总概算(或修正概算)及投资包干的限额内

B．标底价格应考虑市场价格变化因素，应力求与市场的实际变化吻合

C．标底价格应包括不可预见费(特殊情况)、预算包干费、措施费

D．按企业级别取费

E．按工程项目类别取费

President Bush arrived in Washington and forged ahead with an ambitious agenda- (1) tax cuts, vast changes in federal social programs, expansions of executive power and (2) broad remaking of energy and education policies.
Claiming a mandate by simply declaring (3) existence, his early successes dazzled his critics. With guru Karl Rove directing the (4) , Bush won a stunning series of political victories.
He muscled his agenda through (5) friendly Congress, and gained seats for his party in the 2002 midterm elections. (6) biggest triumph came in 2004, when he won a second term despite a (7) unpopular war.
The "permanent" Republican majority he and Rove envisioned even seemed attainable (8) Bush plunged himself into his most ambitious legislative effort yet: a partial privatization (9) Social Security.
But the president who boasted about "political capital" in the heady (10) after his re-election now faces the worst of political fates as he enters (11) final year in office: borderline irrelevance.
The president’s second term has (12) defined by legislative paralysis, marked by record-low approval ratings, presidential candidates who are (13) from his shadow, and a lingering war that’s sapping his remaining reservoirs of (14) .
As he enters his final year in office with the war continuing, Republican (15) for president bolting from his shadow, and his party back in the minority (16) Congress, he is politically weakened, an early entry into lame-duck status.
And the (17) Washington atmosphere he hoped to cure is just as nasty as it was (18) he came to office seven years ago.
"lie’s left our political institutions much (19) troubled than they were before," said Thomas E. Mann, a senior fellow at (20) Brookings Institution, a Washington-based think tank. "He didn’t create the ideological polarization, but he magnified it. \

常用的融丝是由铅、锡合制成，其主要特点是熔点低，在200？00℃就能融化。

一位法国思想家说：“《圣经》上声称，妇女触犯上帝遭到惩罚，所以分娩时必遭痛苦。但是，母猪生崽的时候也无一个不痛，不知道它们为何事得罪了上帝呢？”由此可以看出他的主张是（）

A.虔诚信仰上帝

B.反对盲目信仰

C.实行三权分立

D.妇女解放