压油罐中气与油的体积之比为()。A、1∶1;B、2∶1;C、2∶3;D、3∶2。

题型:单项选择题

问题:

压油罐中气与油的体积之比为()。

A、1∶1;

B、2∶1;

C、2∶3;

D、3∶2。

考点:水轮机检修工考试初级水轮机检修工初级水轮机检修工题库
题型:单项选择题

Late in the afternoon, the boys put up their tent in the middle of a field. As soon as this was done, they cooked a meal__小题1:__ an open fire. They were all hungry and the food smelt good. After a wonderful meal, they told stories and sang songs _小题2:___the camp fire. But some time later it began to rain. The boys felt tired so they put out the fire and crept into their tent. Their sleeping-bags were warm and __小题3:_____, so they all slept soundly. In the middle of the night, two boys woke up and began shouting. The tent was full of water! They all leapt out of their sleeping-bags and hurried ___小题4:__. It was raining heavily and they found that a stream had formed in the field. The stream wound its way __小题5:____the field and then flowed right under their tent! 

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对于难治性肝硬化腹水,下列哪项治疗措施较为妥当()

A.肝移植手术

B.大剂量利尿剂联合使用

C.单纯多次放腹水

D.中药治疗

E.自体腹水浓缩回输

题型:单项选择题

吾尝终日而思矣,不如须臾之所学也。

题型:单项选择题

不能作为设备更新估算依据的是设备的()寿命。

A.技术

B.经济

C.自然

D.有效

题型:单项选择题

世界八大奇迹之一的秦始皇兵马俑属于()

A、泥塑俑

B、陶塑俑

C、瓷塑俑

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