问题 填空题

血细胞的生成经历了一个比较长的________、________、________和________的动力过程。整个血细胞的生成过程,是造血实质细胞在形态上经历不同阶段的变化过程,这一过程是造血干细胞在造血微环境中经多种调节因子的作用逐渐完成的,最终增殖分化为红细胞、血小板、各种粒细胞、单核细胞、浆细胞、淋巴细胞等。

答案

参考答案:细胞增殖 分化 成熟 释放

多项选择题
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) .

5()

A.loss

B.shortage

C.deficiency

D.deficit