皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
Electricity is such a part of our everyday lives and so much taken for granted nowadays 1 ___ we rarely think twice when we switch on the light or turn on the TV set. At night, roads are brightly lit, enabling people and 2 ___ to move freely. Neon lighting used in advertising has become part of the 3 ___ of every modern city. In the home, many 4 ___ devices are powered by electricity. 5 ___ when we turn off the bedside lamp and are 6 ___ asleep, electricity is working for us, 7 ___ our refrigerators, heating our water, or keeping our rooms air-conditioned. Every day, trains, buses and subways take us to and from work. We rarely 8 ___ to consider why or how they run——9 ___ something goes wrong. In the summer of 1959, something 10 ___ go wrong with the power-plant that provided New York with electricity. For a great many hours, life came almost to a 11 ___. Trains refused to move and the people in them sat in the dark, 12 ___ to do anything; lifts stopped working, so that 13 ___ you were lucky enough not to be 14. ___ between two floors, you had the unpleasant task of finding your way down 15 ___ of stairs. Famous streets like Broadway and Fifth Avenue in a(n) 16 ___ became as gloomy and uninviting 17 ___ the most remote back streets. People were afraid to leave their houses, 18 ___ . although the police had been ordered to 19 ___ in case of emergency, they were just as confused and 20 ___ as anybody else.
A.
1
B.
2
C.
3
D.
4
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】影响设备工程进度的因素中,( )主要包括设备工程进度目标不合理、工程变更、实施工场地不满足需要、要求不当、合同违约、资金问题、管理效率低、业主风险等。
A.
设备工程业主的影响
B.
设备工程监理单位的影响
C.
设计单位的影响
D.
制造单位的影响
【简答题】三点式振荡器有 和 电路。
【多选题】快递实物传递网的组成要素包括 ( )。
A.
呼叫中心
B.
省级网
C.
处理中心
D.
省内网
【单选题】下列哪种现象和其他三种有所不同?( )
A.
感觉对比
B.
感觉适应
C.
感觉后像
D.
闪光融合
【单选题】为证明()的重要性,海尔蒙特做了著名的柳树实验。
A.
B.
C.
空气
D.
养分
【单选题】日本最大的湖是什么湖?( )
A.
田深湖
B.
西湖
C.
琵琶湖
D.
中禅寺湖
【单选题】日本最大的湖是
A.
田泽湖
B.
琵琶湖
C.
猪苗代湖
D.
中海
【简答题】已知某企业的生产函数为 Q=L 2/3 K 1/3 ,劳动的价格 P L =2 ,资本的价格 P K =1 。求:1当成本 C=3000 时,企业实现最大产量时的 L 、 K 和 Q 的均衡值。2当产量 Q=800 时,企业实现最小成本时的 L 、 K 和 C 的均衡值。
【单选题】日本最大的湖是()。
A.
中禅寺湖
B.
西湖
C.
田深湖
D.
琵琶湖
【单选题】以下设置 Package name( 包名 ) ,哪一个正确?
A.
com.mingrisoft.
B.
com.mingrisoft
C.
com.11142
D.
com.山东劳动职业技术学院
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题