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【单选题】
提高输电电压可以减少输电线中的( )。
A.
功率损耗
B.
电压降
C.
无功损耗
D.
功率损耗和电压降
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【单选题】GB50028---2006《城镇燃气设计规范》适用于()压力(表压)范围的城镇燃气(不包括液态燃气)室外输配工程的设计。
A.
大于4.0MPa
B.
不大于4.0MPa
C.
大于2.5MPa
D.
不大于2.5MPa
【单选题】按2009版电梯检规规定,限速器钢丝绳的公称直径应不小于6mm。限速器绳轮节圆直径最小应为()。
A.
40㎜
B.
320㎜
C.
400㎜
D.
180㎜
【单选题】按GB7588-2003《电梯制造与安装安全规范》钢丝绳的公称直径不小于8mm。曳引轮节圆直径最小应为()。
A.
240mm
B.
320mm
C.
400mm
D.
480mm
【判断题】The Tibetan New Year is calculated according to theTibetan lunar calendar. ( )
A.
正确
B.
错误
【简答题】C One thing that British and Chinese cultures share is a love for fine tea.Today , when we think of Western tea culture , we often think of the English and beautiful china tea cups. Afternoon tea Peop...
【单选题】电梯曳引钢丝绳的公称直径最小不小于()mm .
A.
5
B.
8
C.
10
D.
12
【单选题】关于女职工特殊劳动保护的说法,正确的是()。
A.
不得安排女职工从事国家规定的第三级体力劳动强度的劳动
B.
禁止安排未育女职工从事有毒有害的劳动
C.
用人单位应当对女职工定期进行健康检查 D,女职工生育享受不少于90天的产假
【单选题】Passage OneQuestions 1 to 5 are based on the following passage.In late April, 33-year-old Li Yang climbed into her new car, Suzuki Alto and headed west. She “just kept going to see how far I could get...
A.
Rising income.
B.
Cheaper new cars .
C.
More new roadways.
D.
The freedom of owning a car.
【单选题】下列四塔不是密檐式的是哪座塔?( )
A.
西安大雁塔
B.
西安小雁塔
C.
河南登封嵩岳寺塔
D.
云南大理千寻塔
【简答题】The Tibetan New year, also known as Losar, is the most important festival in the Tibetan calendar. “Lo” stands for year while “sar” means new. It 1._____________ (celebrate) over a period of two weeks...
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