()是指人们在社会生活中所从事的某种具有专门业务和特定职责,并以此作为主要生活来源的

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问题:

()是指人们在社会生活中所从事的某种具有专门业务和特定职责,并以此作为主要生活来源的社会活动。

A.职业

B.职业道德

C.工作

D.公共生活

考点:思想道德修养与法律基础思想道德修养与法律基础题库
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一元二次方程x(x+3)=0的根是x1=______,x2=______.

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表达载体

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为防止电力机车脱弓,在不侵入建筑限界的情况下,拨道作业时,线路中心位移不得超过()。

A、30mm

B、-30mm

C、±30mm

D、20mm

题型:单项选择题

Advertisement:
The world’s best coffee beans come from Colombia. The more Colombian beans in a blend of coffee, the better the blend, and no company purchases more Colombian beans than Kreemo Coffee. Inc. So it only stands to reason that if you buy a can of Kreemo’s coffee, you’ re buying the best blended coffee available today.
The reasoning of the argument in the advertisement is flawed because it overlooks the possibility that

A.the equipment used by Kreemo to blend and package its coffee is no different from that used by most other coffee producers.

B.not all of Kreemo’s competitors use Colombian coffee beans in the blends of coffee they sell.

C.Kreemo sells more coffee than does any other company.

D.Kreemo’s coffee is the most expensive blended coffee available today.

E.(E) the best unblended coffee is better than the best blended coffee.

题型:单项选择题

电力客户的负荷管理系统有哪些形式:()

A.负荷数据查询系统

B.负荷集中监控系统

C.客户电能量管理系统

D.组合式负荷管理系统

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