[单选题]在S700K道岔设备中下列哪种情况不需要工务配合克服（）。
A.尖轨吊扳
B.道岔拱腰
C.岔枕不方正
D.尖轨开程偏差5mm

[单项选择]在对病因不明疾病的研究中，描述性研究的主要用途是（）
A. 早期发现病人
B. 早期诊断病人
C. 筛查各种高危病人
D. 概括和检验病因假说
E. 描述分布，提出病因假说

[单项选择]下列应急救护的处理方法中，不科学的是：
A. 现场救治婴儿气道异物梗塞时，将婴儿置于“头低脚高”的体位 
B. 成人心肺复苏时，以60次/分钟左右的频率进行胸外心脏按压 
C. 踝关节严重扭伤时，立即用冷水或冰块进行冷敷 
D. 地震后，对埋压时间较长的幸存者，先喂适量含盐饮料

[单选题]煤粉炉停炉后应保持30%以上的额定风量，通风（ ）进行炉膛吹扫。
A. 5分钟
B. 10分钟
C. 15分钟
D. 20分钟

[单项选择]The initial impact of computers was in the area of entertainment. If you walked by a video arcade in the early 1980s, you could not have failed to notice that the use of video games was growing at what some considered an alarming rate. In 1981 the movie industry grossed $3 billion, video games took in an estimated $6 billion. That gives you some idea of just how big the computer industry bad become. Video games employ the same technology as personal computers, and indeed many who bought personal computers did so primarily for playing games at home, thus saving their quarters. Though video games are not as popular as they were a few years ago, they did provide consumers with their first real reason to buy PCs.
A more recent computer innovation, desktop publishing, supplies one good reason for those who write for a living to buy a PC. Desktop publishing is a deceptively simple description for an extremely complex group of hardware and software tools. You can now write text, edit tex
A. play video games
B. make writing easier for themselves
C. facilitate their entrance into the stock market
D. transmit printed information

[不定项选择题]A.有利、公正
A.权利、义务
B.廉洁奉公
C.医乃仁术
D.等价交换
E.属于医学伦理学基本规范的是

[单项选择]关于读卡器，正确的叙述是（）。
A. 有单功能读卡器和多功能读卡器
B. 对于某种多功能读卡器不一定能够读所有的卡
C. 数码伴侣的外壳就是一个多功能读卡器
D. 以上都对

[多项选择]下面哪些说属于慢速功率控制参数（）
A. PWR_REP_THRESH
B. FPC_MODE_SCH
C. PWR_REP_FRAMES
D. PWR_PERIOD_ENABLE

[单选题]某化工企业在切割某管线施工时，由于管线内残存可燃性原料受热气化，遇切割产生明火发生爆炸，爆炸冲击波造成紧邻管线的储罐内有毒气体泄露，事故造成3人死亡，20人重伤，35人急性工业中毒，财产损失560万元。依据《企业职工伤亡事故分类》(GB6441)及《生产安全事故报告和调查处理条例》(国务院令第493号)，下列说法中，正确的是()。
A.该起事故类型是火灾事故。事故的等级为较大事故
B.该起事故类型是爆炸事故，事故的等级为重大事故
C.该起事故类型是火灾事故，事故的等级为特大事故
D.该起事故类型是爆炸事故，事故的等级为较大事故

[简答题]

Discussion of the assimilation of Puerto Ricans(波多黎各人) in the United States has focused on two factors: social standing and the loss of national culture. In general, excessive stress is placed on one factor or the other, depending on whether the commentator is North American or Puerto Rican. Many North American social scientists, such as Oscar Handlin, Joseph Fitzpatrick, and Oscar Lewis, consider Puerto Ricans as the most recent in a long line of ethnic entrants to occupy the lowest rung on the social ladder. (46) Such a "socio demographic" approach tends to regard assimilation as a benign process, taking for granted increased economic advantage and inevitable cultural integration, in a supposedly egalitarian context. However, this approach fails to take into account the colonial nature of the Puerto Rican case, with this group, unlike their European predecessors, coming from a nation politically subordinated to the United States. (47) Even the "radical&