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【单选题】
少油断路器中的绝缘油主要作用是（）。
A.
绝缘；
B.
散热；
C.
熄灭电弧。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
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【单选题】混凝土浇筑完毕后,应按施工技术方案及时采取有效的养护措施,并符合相关规定,下列选项中,说法正确的是( )。
A.
应在浇筑完毕后的24 h以内对混凝土加以覆盖并保湿养护
B.
混凝土浇水养护的时间:对采用硅酸盐水泥、普通硅酸盐水泥或矿渣硅酸盐水泥拌制的混凝土,不得少于7 d;对掺用缓凝型外加剂或有抗渗要求的混凝土,不得少于14 d
C.
浇水次数应能保持混凝土处于湿润状态;混凝土养护用水应与拌制用水相同
D.
采用塑料布覆盖养护的混凝土,其敞露的全部表面应覆盖严密,并应保持塑料布内有凝结水
E.
混凝土强度达到1.5 N/mm 2 前,不得在其上踩踏或安装模板及支架度
查看完整题目与答案
【单选题】下列有关模板的技术要求中,说法不正确的是
A.
对跨度不小于4米的现浇钢筋混凝土梁、板,其模板应按设计要求起拱
B.
模板与混凝土的接触面应清理干净并涂刷隔离剂
C.
模板的接缝不应漏浆,在浇筑混凝土前,木模板内允许有少量积水
D.
用做模板的地坪、胎模应平整光洁
查看完整题目与答案
【简答题】Fielding was poor himself all his life; that is why he was very sympathetic toward ____________________, and protested strongly against social injustice and political corruption in his writings.
查看完整题目与答案
【多选题】下列有关模板的技术要求中说法正确的是( )
A.
对跨度不小于4米的现浇钢筋混凝土梁板，其模板应按设计要求起拱
B.
模板与混凝土的接触面应清理干净并除隔离剂
C.
模板的接缝不应漏浆，在浇筑混凝土前，木模板内允许有少量的积水
D.
用作模板的地坪胎模应平整光洁
查看完整题目与答案
【多选题】混凝土浇筑完毕后，应按施工技术方案及时采取有效的养护措施，并符合相关规定，下列选项中，说法正确的是（）
A.
应在浇筑完毕后的24h以内对混凝土加以覆盖并保湿养护
B.
混凝土浇水养护的时间：对采用硅酸盐水泥、普通硅酸盐水泥或矿渣硅酸盐水泥拌制的混凝土，不得少于7d；对掺用缓凝型外加剂或有抗渗要求的混凝土，不得少于14d
C.
浇水次数应能保持混凝土处于湿润状态；混凝土养护用水应与拌制用水相同
D.
采用塑料布覆盖养护的混凝土，其敞露的全部表面应覆盖严密，并应保持塑料布内有凝结水
E.
混凝土强度达到1.5N/mm2前，不得在其上踩踏或安装模板及支架
查看完整题目与答案
【单选题】That ( ) is NOT the reason why sustainable management of tropical forests is unlikely to become widespread in the near future.
A.
the countries where tropical forests are located need revenue from logging desperately
B.
corruption occurs so commonly in the governments of developing countries that the money won't reach the people it is intended for
C.
wood prices from sustainably managed forests would increase at such a rate that consumers are unlikely to pay
D.
the value of most commercial tree species in tropical forests rises much more slowly compared with the returns from interest
查看完整题目与答案
【多选题】Why A Dream of Red Mansions is a monumental work in the Chinese literature?
A.
It reveals the darkness and corruption that permeates the last stage of the feudal society.
B.
Its theme is made conspicuous in the great complexity of its plots
C.
Its language is succinct and sincere, vivid and visual.
D.
It suits both refined and popular tastes as a coherent and organic whole.
查看完整题目与答案
【多选题】Why A Dream of Red Mansions is a monumental work in the Chinese literature?
A.
It reveals the darkness and corruption that permeates the last stage of the feudal society.
B.
Its theme is made conspicuous in the great complexity of its plots
C.
Its language of the book is succinct and sincere, vivid and visual.
D.
It suits both refined and popular tastes as a coherent and organic whole.
查看完整题目与答案
【单选题】Why does political instability and insecurity of property rights retard economic growth?
A.
Fear that private property will be confiscated substantially reduces the incentive of individuals to invest and create wealth.
B.
When property rights are insecure, foreign investors are more willing to invest in the country.
C.
Savings flow into a country if individuals fear their property is insecure.
D.
Political instability and corruption can enhance the coordinating power of the
查看完整题目与答案
【多选题】9 下列有关模板的技术要求中说法正确的是( )
A.
对跨度不小于4米的现浇钢筋混凝土梁.板，其模板应按设计要求起拱
B.
模板与混凝土的接触面应清理干净并除隔离剂
C.
模板的接缝不应漏浆，在浇筑混凝土前，木模板内允许有少量的积水
D.
用作模板的地坪.胎模应平整光洁
查看完整题目与答案
相关题目：
【单选题】混凝土浇筑完毕后,应按施工技术方案及时采取有效的养护措施,并符合相关规定,下列选项中,说法正确的是( )。
A.
应在浇筑完毕后的24 h以内对混凝土加以覆盖并保湿养护
B.
混凝土浇水养护的时间:对采用硅酸盐水泥、普通硅酸盐水泥或矿渣硅酸盐水泥拌制的混凝土,不得少于7 d;对掺用缓凝型外加剂或有抗渗要求的混凝土,不得少于14 d
C.
浇水次数应能保持混凝土处于湿润状态;混凝土养护用水应与拌制用水相同
D.
采用塑料布覆盖养护的混凝土,其敞露的全部表面应覆盖严密,并应保持塑料布内有凝结水
E.
混凝土强度达到1.5 N/mm 2 前,不得在其上踩踏或安装模板及支架度
查看完整题目与答案
【单选题】下列有关模板的技术要求中,说法不正确的是
A.
对跨度不小于4米的现浇钢筋混凝土梁、板,其模板应按设计要求起拱
B.
模板与混凝土的接触面应清理干净并涂刷隔离剂
C.
模板的接缝不应漏浆,在浇筑混凝土前,木模板内允许有少量积水
D.
用做模板的地坪、胎模应平整光洁
查看完整题目与答案
【简答题】Fielding was poor himself all his life; that is why he was very sympathetic toward ____________________, and protested strongly against social injustice and political corruption in his writings.
查看完整题目与答案
【多选题】下列有关模板的技术要求中说法正确的是( )
A.
对跨度不小于4米的现浇钢筋混凝土梁板，其模板应按设计要求起拱
B.
模板与混凝土的接触面应清理干净并除隔离剂
C.
模板的接缝不应漏浆，在浇筑混凝土前，木模板内允许有少量的积水
D.
用作模板的地坪胎模应平整光洁
查看完整题目与答案
【多选题】混凝土浇筑完毕后，应按施工技术方案及时采取有效的养护措施，并符合相关规定，下列选项中，说法正确的是（）
A.
应在浇筑完毕后的24h以内对混凝土加以覆盖并保湿养护
B.
混凝土浇水养护的时间：对采用硅酸盐水泥、普通硅酸盐水泥或矿渣硅酸盐水泥拌制的混凝土，不得少于7d；对掺用缓凝型外加剂或有抗渗要求的混凝土，不得少于14d
C.
浇水次数应能保持混凝土处于湿润状态；混凝土养护用水应与拌制用水相同
D.
采用塑料布覆盖养护的混凝土，其敞露的全部表面应覆盖严密，并应保持塑料布内有凝结水
E.
混凝土强度达到1.5N/mm2前，不得在其上踩踏或安装模板及支架
查看完整题目与答案
【单选题】That ( ) is NOT the reason why sustainable management of tropical forests is unlikely to become widespread in the near future.
A.
the countries where tropical forests are located need revenue from logging desperately
B.
corruption occurs so commonly in the governments of developing countries that the money won't reach the people it is intended for
C.
wood prices from sustainably managed forests would increase at such a rate that consumers are unlikely to pay
D.
the value of most commercial tree species in tropical forests rises much more slowly compared with the returns from interest
查看完整题目与答案
【多选题】Why A Dream of Red Mansions is a monumental work in the Chinese literature?
A.
It reveals the darkness and corruption that permeates the last stage of the feudal society.
B.
Its theme is made conspicuous in the great complexity of its plots
C.
Its language is succinct and sincere, vivid and visual.
D.
It suits both refined and popular tastes as a coherent and organic whole.
查看完整题目与答案
【多选题】Why A Dream of Red Mansions is a monumental work in the Chinese literature?
A.
It reveals the darkness and corruption that permeates the last stage of the feudal society.
B.
Its theme is made conspicuous in the great complexity of its plots
C.
Its language of the book is succinct and sincere, vivid and visual.
D.
It suits both refined and popular tastes as a coherent and organic whole.
查看完整题目与答案
【单选题】Why does political instability and insecurity of property rights retard economic growth?
A.
Fear that private property will be confiscated substantially reduces the incentive of individuals to invest and create wealth.
B.
When property rights are insecure, foreign investors are more willing to invest in the country.
C.
Savings flow into a country if individuals fear their property is insecure.
D.
Political instability and corruption can enhance the coordinating power of the
查看完整题目与答案
【多选题】9 下列有关模板的技术要求中说法正确的是( )
A.
对跨度不小于4米的现浇钢筋混凝土梁.板，其模板应按设计要求起拱
B.
模板与混凝土的接触面应清理干净并除隔离剂
C.
模板的接缝不应漏浆，在浇筑混凝土前，木模板内允许有少量的积水
D.
用作模板的地坪.胎模应平整光洁
查看完整题目与答案