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男性，31岁。不规则发热2月余，伴食欲减退、体重减轻6kg就诊。体检：两侧颈部扪及花生仁大小淋巴结多个，右侧腹股沟扪及核桃大淋巴结1只，质硬，无压痛，脾肋下3cm，淋巴结活检为非霍奇金淋巴瘤，弥漫型、混合细胞性。胸片（－），腹腔CT除脾肿大外无异常发现。

该例的首选治疗是（）

A.全淋巴结放射治疗

B.CHOP化学治疗

C.脾切除

D.脾切除加全淋巴结照射

E.CHOP化学治疗加全淋巴结照射

答案

参考答案：B

选择题

春秋战国时期，牛耕开始使用。牛力用于生产，是我国古代农业生产动力的一次革命，它给当地生产方式带来的变化是（   ）

A．私田开垦规模扩大

B．精耕细作的程度提高

C．个体小农经济应运而生

D．土地国有制转变为个人土地所有制
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单项选择题

A variety of illegal acts committed by people in the course of their employment, for their own personal gain, are collectively known as white-collar crime. Embezzlement, theft and trading securities (1) insider information are common forms of white-collar crime. The majority of cases involve low-level employees who steal because they are under (2) financial stress. Many plan to (3) the money back as soon as possible but may never do so. Their crimes are usually never (4) because the amounts of money are small, and no one notices the (5) .

(6) , there are some very large cases of white-collar crime, such as multimillion-dollar stock market or banking seams that take years to discover and are extremely difficult and expensive to (7) .

White-collar crime is not (8) to the business sector. Government employment, especially (9) the city level, also provides opportunities to (10) one’s pockets. (11) , building inspectors accept bribes and full-time employees receive (12) payments.

Although white-collar crime is less (13) than street crime, it involves (14) more money and harm to the public than crimes committed by street criminals. It is (15) that there are more criminals (16) the office suites than in the streets, yet the (17) of white-collar makes it difficult to uncover the offenses and pursue the offenders. As the economy (18) from manufacturing to services and electronic commerce, opportunities for white-collar crime (19) , while the technology needed to stop such crimes will (20) .

20（）

A. pick up

B. pay back

C. make out

D. lag behind
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