[单选题]某软件在设计时，有三种用户访问模式，分别是仅管理员可访问、所有合法用户可访问和允许匿名访问)采用这三种访问模式时，攻击面最高的是()。
A.仅管理员可访问
B.所有合法用户可访问
C.允许匿名
D.三种方式一样

[判断题]高温天气时，应增加组合电器巡视次数，监视设备温度，检查引线接头有无过热现象，设备有无异常声音。
A.正确
B.错误

[单选题]在尽头线上调车时遇特殊情况，必须近于10m时，要（ ）。（应知应会-《技规》第294条）
A.严格控制速度
B.按规定显示信号
C.按规定要道还道
D.执行车机联控

[多选题] 以下情况属于岗位禁忌的是()
A. 在岗位上聊天
B.看小说
C.用电话聊天
D.看报"

[判断题]所谓操作系统是管理其它程序的程序，用来管理系统各种资源的软件的集合。

[简答题]水对路面的影响

[单选题]第三次信息技术革命指的是()。
A.互联网
B.物联网
C.智慧地球
D.感知中国

[单项选择]GVHR主要见于（）
A. 肾脏移植
B. 心脏移植
C. 骨髓移植
D. 肺脏移植
E. 脾脏移植

[填空题]（ ）的对象为新入路人员，新调入本段的固定、劳动制（合同）、劳务派遣的从业人员，院校实习人员和提改职人员。

[单项选择]Generations of Americans have been brought (26) to believe that a good breakfast is important for health. Eating breakfast at the (27) of the day, we have all been (28) ,is as necessary as putting gasoline in the family car (29) starting a trip.
But for many people the thought of food first in the morning is by (30) pleasures. So (31) all the efforts, they still take no (32) . Between 1978 and 1983, the latest years for which figures are (33) , the number of people who didn’t have breakfast increased (34) 33 percent—from 8.8 million to 11.7 million (35) the Chinese-based Market Research Corporation of America.
For those who feel pain of (36) about not having breakfast, (37) , there is some good news. Several studies in the last few years (38) that, for adults especially, there may be nothing (39) with omitting breakfast. "Going (40
A. Science
B. Scientist
C. Scientific
D. Scientists