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【判断题】
北京市地方标准DB11/419-2007《电梯安装维修作业安全规范》中规定，工作开始前，自动扶梯和自动人行道的出入口处设置有效的护栏，警告和防止无关人员误入工作区域。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】请根据视频中的内容填空。(可以复听;填空时勿用缩写,比如,听到don't,该写do not,不然电脑容易误判 ) Three tips: 1 Establish open lines of communication with your roommate. If something is bugging you, ______ to let him or her know.
【单选题】A possible reason that a child having an unhappy relation with his/her mother will not be affected by maternal separation at 6 to 9 months is that ______.
A.
the struggle between trusting and mistrusting has reached a climax
B.
the child sees himself/herself as being separate from the environment
C.
the child's sense of trust is destroyed
D.
no sense of trust has ever developed
【简答题】汽车发动机润滑系统的作用有、冷却、密封盒除锈等功能。
【单选题】以 “ 微尘 ” 命名的募捐箱、徽章,走进了青岛的大街小巷,成为青岛一个体现爱心的公益品牌。这一现象具体体现了社会主义和谐社会的建设要求是
A.
人与自然和谐相处
B.
诚信友爱
C.
民主法治
D.
D . 安定有序
【简答题】Three tips for how to get along with your roommates. Establish open lines of communication with your roommate. If something is bugging you, don’t be 1 to let him or her know. Be upfront and ass...
【单选题】Mother will not allow us ____________ on the street.
A.
play
B.
to play
C.
playing
D.
played
【多选题】工作环境被血液、体液污染时,清理后,用()mg/l含氯消毒液进行擦拭消毒。
A.
5000mg/l含氯消毒液
B.
2000mg/l含氯消毒液
C.
1000mg/l含氯消毒液
D.
500mg/l含氯消毒液
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