环境卫生学中研究环境与健康时通常采用的方法是（） A.环境流行病学与环境统计学 B.

为了开展国际标准统一化，《美国药典》、《欧洲药典》、《日本药局方》开展了合作，该工作是通过

A．药典讨沦小组

B．药物讨论小组

C．药品研讨会

D．药品协调小组

E．药品标准统一化研讨会

Many banks are still not lending. They worry that they will not have enough capital to cover losses, but the situation does not allow many businesses to have the money they need to operate, and further slows a struggling economy. In the United States, the government has so far provided almost 150 billion dollars to banks, mainly through buying shares. Yet this may not be enough to save some major banks. By some estimates, banks have at least one trillion dollars in losses that they have not yet reported.

The new administration of President Barack Obama is considering ways to save banks.

One possibility is to expand federal guarantees against losses on some troubled financial assets(资产). The government has already offered guarantees to Bank of America and Citigroup. But the cost of this kind of insurance could be huge.

Another possibility is to create a so-called bad bank. It would take questionable securities held by other banks. The idea would be similar to the Resolution Trust Corporation set up by the government in 1989. It was formed to sell assets from failed savings and loan banks.

But it is difficult to put a price on trouble securities. Taxpayers would lose money if the government pays too much. And if it pays too little, banks could still fail.

Some people see nationalization(国有化) as the answer. That is when a government takes ownership of a private business, often with the idea of selling it back to investors later. Existing shares become worthless.

In the early 1990s, Sweden nationalized some banks and later sold their troubled assets, recovering some costs. But a similar effort in the United States, the world’s biggest economy, could take years. And experts warn that lending and politics do not mix.

Coming up with a plan to fix the banks and the financial system is now the job for Tim Geithner. The Senate confirmed his this week to replace Henry Paulson as Treasury Secretary. Tim Geithner’s last job was head of the New York Federal Reserve Bank.

Supporters said he is the best person to deal with the financial crisis. But one-third of the Senate, mostly Republicans, voted against him.

He face rebuke for his failure to pay 34,000 dollars in taxes when he worked for the International Monetary Fund (IMF). He owed it to “careless mistakes”. As Treasury Secretary he is the nation’s chief tax collector.

51. What is the passage mainly about?

A. The financial crisis in the United States.

B. Possible ways to save US banks.

C. President Barack Obama’s financial policy.

D. The problems US banks are facing now.

52. We can learn from the passage that _________.

A. all the banks in the US have stopped lending money now.

B. American banks have lost less than one trillion dollars

C. the US government has taken some measures to save the banks

D. the American economic situation is getting much better

53. Which of the following is NOT a possibility to help the banks out of trouble?

A. Expanding federal guarantees against losses on some troubled financial assets.

B. Creating a bad band to take questionable securities held by other banks.

C. Nationalizing the banks and selling them back to investors later.

D. Confirming Tim Geithner as Treasury Secretary to replace Henry Paulson.

54. The underlined word “rebuke” in the last paragraph most probably means “_________”.

A. judgment          B. sympathy         C. assessment        D. blame

55. It can be concluded from the passage that _________.

A. Barack Obama’s government has taken effectively measures to save their banks.

B. Tim Geithner is the best person to deal with the financial crisis

C. each possible way mentioned in the passage has its disadvantage

D. nationalization may be the best way to save US banks

利他行为指人们出于自愿、不指望任何报酬的帮助他人的行为。
下列属于利他行为的是( )。

A．小张营救失足落水儿童余某，事后希望余某家人付给其报酬
B．小李制服企图抢劫的歹徒。事后，单位奖励他人民币5000元
C．战士小李十年如一日，坚守边疆，荣立三等功
D．丁某发现自己家中失火，迅速拨打119，并协助消防人员灭火

大脑的新脑皮是脊椎动物神经系统发展到高级阶段出现的，它是从下列哪类动物开始出现的：（）。

A.两栖纲

B.爬行纲

C.鸟纲

D.哺乳纲

Divorce is the act by which a valid marriage is dissolved, usually freeing the parties to remarry. In regions in (1) ancient (2) authority still predominates, divorce may be (3) and rare, especially when, as among Roman Catholics and Hindus, the religious (4) views marriage (5) indissoluble. Custom, (6) , may make divorce a simple matter in (7) societies. (8) some Pueblo Indian tribes a woman could divorce her husband (9) leaving his moccasins on the doorstep. The (10) of individual determination and mutual (11) are making divorce (12) acceptable in the (13) parts of the world.

Among premodern societies, the rate of marital stability is difficult to (14) (15) the varying definitions of (16) and divorce. It seems to be broadly true (17) wherever divorce is a legal impossibility the wedding is a well-defined event conducted with (18) formality. The (19) principle does not hold true: elaborate marriage ceremonial is quite compatible with high divorce rates. Many anthropologists agree that divorce is generally more permissible in matrilineal societies (20) in patrilineal ones, in which the procreative and sexual rights of the bride are often symbolically transferred to the husband with the payment of bride-price.

17（）

A.which

B.when

C.that

D.what