行灯电源应由携带式或固定式的降压变压器供给,变压器不应放在金属容器或特别潮湿场所的(

题型:单项选择题

问题:

行灯电源应由携带式或固定式的降压变压器供给,变压器不应放在金属容器或特别潮湿场所的()。

A.外部

B.上部

C.下部

D.内部

考点:热机岗位知识竞赛热机岗位知识竞赛题库
题型:单项选择题

Hainan is in the south(南方)of China. The weather there is different from that of other areas of China. There is no winter in Hainan. It’s not cold all year round. Many people go there in winter, because it’s cold in the north(北方)of China. In summer, it’s very hot. It’s usually sunny, but it often rains. So people often take a pair of sunglasses and a raincoat at the same time. People can enjoy many kinds of fruits like bananas and coconuts there, too.

Hainan is a good place to go for holidays and have fun. People can go fishing, boating, swimming and so on. When we want to have a rest, we can walk on the beach (海滩) and enjoy the fresh air and white clouds. It’s so interesting.

Would you like to go to Hainan?

小题1:Hainan is in the _______ of China.

A.south

B.north

C.center

D.we don’t know小题2:What’s the weather like in Hainan?

A.It’s not cold all year round.

B.It’s very hot all year round.

C.It often snows in winter.

D.It’s in the south of China.小题3:Which of the following is NOT true?

A.There is no winter in Hainan.

B.In Hainan, people often take a pair of sunglasses and a rain coat in summer.

C.People can enjoy the fresh air and white clouds in Hainan.

D.Many people go to Hainan because it’s very hot.小题4:The main(主要的)idea of the passage is _______.

A.Where is Hainan

B.Hainan is a good place to go for holidays and have fun

C.The weather is fine in Hainan

D.There are many kinds of fruits in Hainan

题型:单项选择题

那些药可用于治疗胃肠痉挛()。

A.氢溴酸山莨菪碱

B.溴丙胺太林

C.盐酸哌仑西平

D.去痛片

题型:单项选择题

我国居民储蓄存款不断增长的根本原因是(   )

A.我国经济持续稳定增长,居民收入增多

B.我国人民生活水平的提高

C.储蓄存款都能获得利息

D.为了保证资金安全

题型:单项选择题

某牙膏厂原来只生产两面针药物牙膏,现在又增加牙刷生产,这属于()。

题型:单项选择题

不能用来鉴别蒸馏水、稀盐酸、澄清石灰水三种无色液体的是(  )

A.pH试纸

B.碳酸钠溶液

C.紫色石蕊试液

D.稀硫酸

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