【简答题】材料一:进入供暖季,黑龙江、吉林、辽宁三省近期接连发生严重雾霾,部分地区的PM2.5指数一度高达1400。雾霾给东北地区人们的生产生活造成了严重影响,各地工地紧急停工,大车限行,中小学校园停止了一切户外活动。环保部紧急发布通知,要求相关省(市)采取减排限行措施,尽可能地减轻空气重污染的危害。 这已经不是东北地区首次在供暖季遭遇雾霾。2013年10月下旬,刚刚进入供暖期,哈尔滨市就遭遇了重度雾霾;2...
【单选题】中国思想文化领域的三大派不包括下列哪项()
【判断题】在运放电路中,闭环增益Àf是指广义的放大倍数。
【简答题】反馈系数是指()与()之比,深度负反馈的闭环放大倍数Af=()
【单选题】An expert in any field may be defined as a person who possesses specialized skills and is capable of renderingvery competent services.
【单选题】The labor force is defined as the number of people who
A.
are employed plus the number of people who are unemployed.
B.
are available and looking for work but are unable to find employment.
C.
would like to have a job but have stopped seeking work.
D.
would like to have a full-time job but are working part-time.
【单选题】Workforce is defined as the total number of people who are available to work and earn incomes. The definition includes everyone who is employed or seeking paid employment, so it includes employers and...
A.
both the employed and the self-employed
B.
people employed to work for others
C.
both employers and employees
D.
people available to work and earn incomes
【单选题】Labor force is defined as being the total number of people who are available to work and earn income. This definition includes everyone who is employed or seeking paid employment, so it includes emplo...
A.
people who are available to work and earn income
B.
self-employed people only
C.
only those who are looking for an employment
【判断题】铺台布之前,服务人员应将双手洗净,并对准备铺用的每块台布进行仔细地检查,发现有残破、油液和皱褶的台布则不能继续使用。