Current Group, a Germantown-based technology firm, has taken over an ordinary looking house in Bethesda and turned it into a laboratory for smart-grid technology, the system the company believes will bring the nation’s electricity grids into the digital age.
In the front yard stands a utility pole hooked up to a special transformer that connects the power lines to high-speed Internet. Hundreds of sensors attached to the lines monitor how power flows through the home. That information is then sent back to the utility company.
The process lets a utility more efficiently manage the distribution of electricity by allowing two-way communication between consumers and energy suppliers via the broadband network on the power lines. Based on data they receive from hundreds of homes, utilities can monitor usage and adjust output and pricing in response to demand. Consumers can be rewarded with reduced rates by cutting back on consumption during peak periods. And comput
A. Substations can talk to each other through computers
B. The consumers and energy suppliers can have direct communication
C. Consumers can be rewarded for using less electricity
D. The electricity supply of a certain area can be adjusted accordingly
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Text{{/B}} There was a time when parents who wanted an educational present for their children would buy a typewriter, a globe or an encyclopedia set (一套百科全书). Now those {{U}} (26) {{/U}} seem hopelessly old-fashioned: this Christmas, there was a lot of {{U}} (27) {{/U}} computers under the tree.{{U}} (28) {{/U}} that computers are their key to success, parents are also frantically insisting that children {{U}} (29) {{/U}} taught to use them in school--as early as possible. The problem for schools is that when it {{U}} (30) {{/U}} computers, parents don’t always know best. Many schools are {{U}} (31) {{/U}} parental impatience and are purchasing hardware {{U}} (32) {{/U}} sound educational planning, so they can say, "OK, we’ve moved into the computer age." Teachers {{U}} (3 A. be open B. have access C. look D. turn [判断题]判断题：二号线白塔河路站-全运路站站间距超过1500米。
A.正确 B.错误 [单选题]施工单位应当自施工起重机械和整体提升脚手架、模板等自升式架设设施验收合格之日起（ ）内，向建设行政主管部门或其它有关部门登记。
A.15日 B.20日 C.25日 D.30日 [判断题]诚实守信是遵守会计职业道德的基本要求。( )
[单选题] 吸附剂在( )和粉碎的情况下绝对不能装入吸附器内。
A.暴露在空气中 B.受热 C.干燥 D.受潮 [判断题]调整游梁式抽油机冲程时应用铜棒敲击衬套和键，并清洗干净。
A.正确 B.错误 [单项选择]消费者前往银行办理定期存款业务，银行工作人员在未征得消费者同意的情况下为其办理了保险理财业务，银行工作人员的行为侵犯了消费者的（）。
A. 自主选择权 B. 隐私权 C. 公平交易权 D. 安全权 [多选题]对于因民间纠纷引起的打架斗殴或者损毁他人财物等违反治安管理行为下列做法正确的有( )。
A.经调解当事人达成协议并履行的不予处罚 B.经调解未达成协议的对违反治安管理行为人给予处罚 C.达成协议后不履行的对违反治安管理行为人给予处罚 D.公安机关可以就民事争议进行调解 [简答题]《环境噪声污染防治法》对防治交通运输噪声污染有哪些主要规定。
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