若是洗涤式油氨分离器，为提高放油效果，放油前提前（）左右关闭供液阀，但不能关闭太久。

某市地税局计划在市区某地兴建一座办公大楼。在招标过程中，甲建筑工程公司通过伪造资质证明文件的手段中标，并与该地税局签订工程承包合同。之后不久此事被当地市政府建设行政主管部门查处并强令停工。

按照《合同法》规定，关于缔约过失责任问题的规定如下，当事人在订立合同过程中有 ( )情形之一的，如给对方造成损失的，应当承担损害赔偿责任。

A．违法使用商业秘密

B．假借订立合同，恶意进行磋商

C．有其他违背诚实信用原则的行为

D．故意隐瞒与订立合同有关的重要事实或者提供虚假情况

E．要约人向多个自然人或法人发出要约的

蜜蜂中的“蜂王”和“工蜂”分别是：（）

A.雌蜂、雄峰

B.雌蜂、雌蜂

C.雄峰、雄峰

D.雄峰、雌蜂

下列选项中，形容舆情信息工作关于有效防范社会风险方面的作用的是( )。

A．减压阀

B．晴雨表

C．安全阀

D．防风墙

下列有关睛明穴的针刺操作，叙述不正确的是（）（）

A.遇到阻力时，可继续进针，不必改变进针方向或退针

B.不捻转，不提插

C.出针后按压针孔片刻，以防出血

D.针具宜细，消毒宜严

E.禁灸

Ink-jet printer belongs to nonimpact printers in which the characters are formed by projecting particles or droplets of ink on to paper. (71) printer is also a n0nimpact printer in which the characters are produced by applying hot elements to heat-sensitive paper directly or by melting ink from a (72) on to plain paper. Electrostatic printer creates an electrostatic latent image, which is then made visible by a toner and transferred and fixed on paper. An electrostatic printer may be used in some instances as a (73) . Laser printer creates, by means of a laser beam directed on a (74) surface, a latent image which is then made visible by a toner and transferred and fixed on paper. Magnetographic printer creates, by means of magnetic heads operating on a metallic drum, a latent image which is then made visible by a toner and transferred and fixed on paper. Computer-output-microfilm (COM) printer produces on a photographic film a (75) of each page.

（73）处填（）。

A．drawer

B．painter

C．plotter

D．brush