My Space and other Web sites have unleashed a potent new phenomenon of social networking in cyberspace, (1) at the same time, a growing body of evidence is suggesting that traditional social (2) play a surprisingly powerful and under-recognized role in influencing how people behave.
The latest research comes from Dr. Nicholas A. Christakis, at the Harvard Medical School, and Dr. James H. Fowler, at the University of California at San Diego. The (3) reported last summer that obesity appeared to (4) from one person to another (5) social networks, almost like a virus or a fad. In a follow-up to that provocative research, the team has produced (6) findings about another major health (7) : smoking. In a study published last week in the New England Journal of Medicine, the team found that a person’s decision to (8) the habit is strongly affected by (9) other people in their social network quit—even pe
A. so
B. but
C. as
D. although
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[判断题]( ) 机车车辆的中心最大高度为4800mm。
A.正确 B.错误 [单选题]CRH380B动车组启动紧急驱动模式后限速( )Km/h。
A.60 B.80 C.120 D.160 [判断题]知识产权服务业是促进智力成果权利化、产业化的高技术服务业。
[判断题]如果当事人对设区的市级职业病诊断鉴定委员会的鉴定结论不服的,不可以向省、市、自治区、直辖市人民政府卫生行政部门申请再鉴定。
A.正确 B.错误 [单项选择]
Britain was a wealthy (富裕的) country. A hundred and fifty years (36) , there were a (37) very rich people (38) received money from land or investments, and did not need to work. They used to have large (39) of servants to look (40) them. There were al so many middle class people, who worked as businessmen or as doc tots or lawyers. They usually had several servants to (41) their houses and cook their meals. [单项选择]在丁型肝炎预防措施中，下列正确的是（）
A. 用敏感方法筛选供血员 B. 提倡用志愿供血员 C. 严格掌握输血适应证 D. 不采用血液制品 E. 使用丁型肝炎疫苗 [单项选择]衡量心理健康水平，从长期经受精神刺激的能力来判断，被称为（）。
A. 心理活动强度 B. 心理活动耐受力 C. 心理康复能力 D. 心理自控力 [单选题] 平台和方箱在划线工序中是属于( )工具。
A.测量 B.支承 C.基准 D.辅助 [单项选择]消防水箱应储存（ ）min的消防用水量。
A. 5 B. 8 C. 10 D. 15 [单项选择]甲公司向乙公司发出要约，在要约到达乙公司后，又向乙公司发出一份“要约作废”的函件。乙公司收发室忘记将该函件交给总经理，后来乙公司提出只要将交货日期推迟，其他条件都可接受。甲公司未予回复，双方缔约不成功的原因是( )。
A. 乙公司对要约内容作了实质性的改变 B. 乙公司的承诺超过了有效期间 C. 要约已被甲公司撤回 D. 要约已被甲公司撤销 [多项选择]食品的生物性污染包括（）
A. 微生物污染 B. 寄生虫污染 C. 病毒污染 D. 螺旋体污染 E. 昆虫污染 [单选题]辛亥革命前夕爆发的保路运动中，斗争尤为激烈的省份是( )
A.广东 B.湖北 C.湖南 D.四川 [填空题]“我的数学成绩比他的外语成绩好。”从“比”字句的比较类型上看属于（）。
[单选题]根据《建设工程施工现场供用电安全规范》(GB50194-2014)第6.4.9条规定,剩余漏电保护器每天使用前启动试验按钮试跳()次。
A.1 B.2 C.3 D.5 我来回答: 提交
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