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【单选题】

下面有3篇短文,每篇短文后有5道题。请根据短文内容,为每题定1个最佳选项。
第一篇
American Immigrants
The percentage of immigrants (including those unlawfully present ) in the United states has been creeping upward for years. At 12.6 percent, it is now higher than at any point since the mid 1920s.
We are not about to go back to the days when congress openly worried about inferior races polluting America’s bloodstream. But once again we are wondering whether we have too many of the wrong sort newcomers. Their loudest critics argue that the new wave of immigrants cannot, and indeed do not want to, fit in as previous generations did.
We now know that these racist views were wrong. In time, Italians, Romanians-and members of other so-called inferior races became exemplary Americans and contributed greatly, in ways too numerous to detail, to the building of this magnificent nation. There is no reason why these new immigrants should not have the same success.
Although children of Mexican immigrants do better, in terms of educational and professional attainment, than their parents, UCLA sociologist Edward Telles has found that the gains don’t continue. Indeed, the fourth generation is marginally worse off than the third. James Jackson, of the University of Michigan, has found a similar trend among black Caribbean immigrants. Telles fears that Mexican-Americans may be fated to follow in the footsteps of American blacks-that large parts of the community may become mired(陷入) in a seemingly permanent state of poverty and underachievement. Like African-Americans, Mexican-Americans are increasingly relegated to (降入)segregated substandard schools, and their dropout rate is the highest for any ethnic group in the country.
We have learned much about the foolish idea of excluding people on the presumption of the ethnic/racial inferiority. But what we have not yet learned is how to make the process of Americanization work for all. I am not talking about requiring people to learn English or to adopt American ways; those things happen pretty much on their own, but as arguments about immigration hear up the campaign trail, we also ought to ask some broader question about assimilation, about how to ensure that people, once outsiders, don’t forever remain marginalized within these shores.
That is a much larger question than what should happen with undocumented workers, or how best to secure the border, and it is one that affects not only newcomers but groups that have been here for generations. It will have more impact on our future than where we decide to set the admissions bar for the latest ware of would-be Americans. And it would be nice if we finally got the answer right.
American ImmigrantsHow were immigrants viewed by U.S. congress in early days

A.
They were of inferior races.
B.
They were a source of political corruption.
C.
They were a threat to the nation’s security.
D.
They were part of the nation’s bloodstream.
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举一反三

【单选题】血热型产后恶露不绝的最佳选方是

A.
血府逐瘀汤
B.
丹栀逍遥散
C.
保阴煎
D.
生化汤
E.
桃红四物汤

【单选题】肥胖,脾虚不运证的最佳选方是()

A.
导痰汤
B.
小承气汤合保和丸
C.
参苓白术散合防己黄芪汤
D.
真武汤合苓桂术甘汤
E.
补阳还五汤

【单选题】脾虚型子宫脱垂的最佳选方是( )

A.
中药治疗
B.
子宫托
C.
阴道纵隔形成术
D.
经阴道子宫全切术
E.
一般支持疗法

【多选题】根据我国《合同法》的规定,在( )情形下,要约失效。

A.
拒绝邀约的通知到达要约人。
B.
要约人依法撤销要约。
C.
承诺期限届满,受要约人未作出承诺。
D.
受要约人对要约的内容作出实质性变更
E.
要约人依法撤回要约

【单选题】下列各选项正确的是( ).

A.
若收敛
B.
若都收敛
C.
若正项级数
D.
若级数收敛,且an≥bn(n=1,2,…),则级数也

【单选题】最佳选方是:

A.
六磨汤
B.
逍遥散
C.
膈下逐瘀汤
D.
少腹逐瘀汤
E.
金铃子散合失笑散