当蜡从油流中析出来附着在管壁上，使管壁内径缩小，影响生产，就需要采取一定的手段将其清

描述算法的方法通常有：（1）自然语言；（2）______；（3）伪代码．

指数型消极投资策略认为在有效市场中，( )。

A．任何积极型股票投资策略都不可能取得高于其风险承担水平的超额收益

B．少数积极型股票投资策略可能取得高于其风险承担水平的超额收益

C．多数积极型股票投资策略都不可能取得高于其风险承担水平的超额收益

D．只要投资策略合适就能取得高于其风险承担水平的超额收益

用括号内所给动词的正确形式填空：（10分）

小题1:When ________ Luoshe Middle School __________ (set up)?  ---In 1940. 

小题2:I was made ________ (perform) the dialogue once more by Miss Chen.

小题3:Dr. Zhang like other volunteers ________ (train) the local doctors and nurses when we went to visit him. 

小题4:---How do you like our city?

---Wonderful. I _________ (stay) here for two more days.

小题5:Any book in the library mustn’t ___________ (take) away.

小题6:A fridge is used _________ (keep) food flesh.  

小题7:Doctors should pay more attention to _________ (operate) on the ill people.

小题8:Adults always told children the sun _________ (rise) in the east when they were young.  

小题9:If it __________ (not be) rainy tomorrow, we will have a trip to Yangshan.

小题10: ________ the police ________ (group) themselves into a team of nine since they started to work?

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. \

肝血不足而虚烦不眠者，治宜选用（）

A.酸枣仁汤

B.天王补心丹

C.归脾汤

D.磁朱丸

E.甘麦大枣汤