蒸馏（distillation)是分离（）混合物的单元操作

Diesel engine jacket water is used in the distillation process as the _____.

A.coolant for the distillate

B.coolant for the brine cooler

C.means of heating the feedwater

D.primary means of producing a vacuum within the distiller

In a vacuum distillation system, the case is the higher the pressure, _____.

A.the saturation temperature is higher

B.the higher the saturation temperature

C.the higher is the saturation temperature

D.the saturation temperature is more high

A vacuum is initially created in a flash type distilling plant by _____.

A.the flashing of the feed water

B.the condensation of the saltwater feed

C.air ejectors, eductors, or a separate vacuum pump

D.condensation of the distillate

英译汉：“phytosanitary certificate;fumigation/disinfection certificate”，正确的翻译为（ ）。

A．植物检疫证书；熏蒸/消毒证书

B．植物检疫证书；兽医卫生证书

C．兽医卫生证书，熏蒸/消毒证书

D．兽医卫生证书，动物卫生证书

phytosanitary certificate；fumigation／disinfection certificate”，正确的翻译为（ ）。

In spite of firm demand of equality, women's participation in social activities is still _________ by male attitudes.

A．perplexed

B．tangled

C．hampered

D．intensified

弥散性血管内凝血(disseminated intravascular coagulation,DIC)(名词解释)