题目内容

简述羊水栓塞的临床表现及应对措施？

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specialization

某嵌入式系统采用字节编址方式，内存由A4000H 到BBFFFH 共有(35)KB，实现该内存区域需要32K×4bit 的SRAM 芯片共(36)片。

A. 32
B. 64
C. 96
D. 128

某市拟在2002年12月以拍卖方式出让一宗土地，土地用途为住宅用地，该宗地拍卖的保留价为6000万元，起拍价为5600万元。如果利用内部效益率来衡量该项目是否可行，正确的说法是( )。

A. 内部收益率是指使项目各期净现金流量的现值之和等于零的折现率
B. 如果内部收益大于基准收益，说明项目的获利能力超过了所要求的收益率
C. 内部收益率可以通过试错法和内插法求取
D. 如果内部收益率大于基准收益率，则项目应该舍弃

By late middle ages many workers are looking 41 to retirement, and millions of those 42 have retired are only too glad to exchange the routines of work 43 the satisfaction that a more leisured life may 44. Many other workers are reluctant to give up their 45. The desire to continue working often stems from harsh economic reality, for 46 usually brings a sharp drop in income. 47 workers fear the loss of social identity that can result from 48 a job. They may be left with “nothing to do”, and may find that they are 49 a life with significant meaning and fulfillment. Those old people who 50 like to continue working are often victims of 51 is perhaps the most striking example of age discrimination (歧视): the practice of mandatory (强制的) retirement, under which people are forced to give up their jobs immediately when they 52 a certain age. Until recently the precise age for mandatory retirement 53 from job to job. The usual mandatory retirement age in the U.S.A., however, was sixtyfive. The objection to mandatory retirement is that there is no 54 to suggest that most people over the age of sixtyfive or seventy are incapable of working; at the turn of the century, in fact, 70 percent of men over sixtyfive were still 55 in the labor force.

A. take
B. gain
C. bring
D. send