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 had 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 tex
A. it controls people’s life
B. it brings about a more equal society
C. it might lengthen the distance between upper-middle-class people and lower-class people
D. it leads to a profound change in the mass media
| Sometimes, kids have extra challenges
making friends, even if you’re doing everything fight as a parent. All children are capable of having friends, although high self-esteem really helps them succeed, says Kathy Noll. Noll is the author of Taking the Buggy bi/the Horn. s, which offers help to both bullies and their victims. How can you tell whether your child may be having trouble making friends Noll lists several warning signs to watch for: depression, reluctance to go to school, difficulty concentrating, poor grades, doesn’t bring other kids home to play, seems to get along better with adults, ① To help your child make friends, you need to show that you care and can be trusted. Focus on the positive, Noll says. Instead of pointing out what is causing your child’s failure, talk about what he can do A. Cards. B. Children. C. Children’s feelings. D. Children’s friends. [单项选择]下列各项哪一类不属于突发公共卫生事件
A. 重大传染病疫情 B. 重大交通事故 C. 重大职业中毒事故 D. 重大食物中毒事故 E. 群体不明原因疾病 [多选题]双鉴式感烟探测器发射器可发射（）光
A.紫外光 B.蓝外光 C.黄外光 D.红外光 E.略 F.略 G.略 H.略 [单项选择]一只螃蟹有10只脚；一只蜻蜒有6只脚，两对翅膀；一只螳螂有6只脚，一对翅膀。现有螃蟹、蜻蜒、螳螂共37只，合计有脚250只 ，翅膀52对。求蜻蜓有多少只
A. 22 B. 21 C. 20 D. 19 [单选题]焖与煮的主要区别是()。
A.焖一般要勾芡，煮一般不勾芡 B.焖适用于肉料，煮适用于蔬果料 C.焖的原料形状小，煮的原料形状大 D.焖的菜肴只有主料，煮的菜肴既有主料又有副料 [判断题]银行本票的出票人，为经中国人民银行总行批准办理银行本票业务的银行机构。( )
A.正确 B.错误 [单选题]职业道德对企业起到( )的作用。
A.增强员工独立意识 B.模糊企业上级与员工关系 C.使员工规规矩矩做事情 D.增强企业凝聚力 [单项选择]检测时，需要加强人员防护的是＿。
A. 磁粉 B. 涡流 C. 超声波 D. 射线 [单选题]一般地说,在超声波的远场区,同一深度的平底孔直径增大一倍,其回波高度提高( )。
A.1倍 B.9dB C.12dB D.24dB [判断题] 人民警察应当按照规定佩带枪支:子弹未上膛时,打开枪支保险,子弹上膛时,关闭枪支保险。
A.正确 B.错误 [单选题]金属导体的电阻与温度变化有关，其主要原因是(____)。
A.电阻率随温度升高而增大 B.电阻率随温度升高而减小 C.导体长度随温度升高而增大 D.导体的截面积随温度升高而增大 [单选题]风湿热首次发病年龄多见于以下哪个年龄阶段的小儿
A. 8-12岁 B. 12-14岁 C. 7-10岁 D. 14-16岁 E. 5-15岁 [判断题]BJ02ZG043283 硅钢片在磁性材料中属硬磁性材料。（ ）
A.正确 B.错误 [单选题]患者男性，69岁。患高血压20年，2年前患急性前壁心肌梗死，门诊测血压22.7/13.3kPa（170/100mmHg），心率120次/分，该患者最佳的治疗药物是
A.维拉帕米 B.吲达帕胺 C.哌唑嗪 D.美托洛尔 E.卡托普利 [单项选择]小儿体液特点，下述正确的一项是（）。
A. 年龄愈小，体液占体重百分比愈高 B. 年龄愈小，细胞内液量相对为多 C. 年龄愈小，每天水的交换量相对为少 D. 血清钠含量高于成人 E. 需水量同于成人 [单选题]展开图就是根据构件的( )图绘制的。
A.断面 B.投影 C.放样 D.综合 [单选题](86803)轮对轴承是车辆( )部分的部件之一。(1.0分)
A.转向架 B.车钩缓冲装置 C.制动装置 D.车体 [多项选择]下列关于持有期货公司股权的表述，正确的有（）。
A. 任何个人或者单位及其关联人不得通过提供虚假申请材料等方式成为期货公司股东 B. 通过非法方式持有股权或成为股东的，中国证监会可以责令其限期转让股权 C. 未经中国证监会批准，任何个人或者单位及其关联人不得持有期货公司5%以上股权 D. 非法取得的股权在转让之前，不具有表决权、分红权 [多项选择]对麻疹的预防，下列哪项正确（）。
A. 隔离患儿至出疹后5天 B. 并发肺炎者延长至出疹后10天 C. 密切接触易感儿应隔离观察3周 D. 8个月以上未患过麻疹者接种麻疹减毒活疫苗，7岁时复种 E. 体弱易感儿接触麻疹后及早注射免疫血清球蛋白 [单选题]讨论题的难度设置的最佳区间叫（ ）
A.最近发展区 B.最近提升区 C.最佳发展区 D.最佳提升区 [单选题]一位身体健壮的70岁老人，适宜的运动量应使运动后心率达到以下哪一心率之上
A.90次/分 B.100次/分 C.110次/分 D.120次/分 E.130次/分 [填空题]下列程序段的输出结果是 [7] 。
#include＜iostream.h＞ void main（ ） int i=10，sum=0； do sum=+sum+i； i=i-2; while(i＞＝2)； cout＜＜sum＜＜end1； [判断题]工作期间，专责监护人若需暂时离开工作现场，应指定能胜任的人员临时代替，离开前应将工作现场交待清楚，并告知全体工作班成员。
A.正确 B.错误 [判断题]按应力形成的原因可分为:温度应力、组织应力、收缩应力、单向应力(线应力)、双向应力(平面应力)、三向应力<体积应力)。( )
A.正确 B.错误 我来回答: 提交
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