环氧乙烷再吸收塔压力高（）。A、不利于EO吸收 B、有利于EO吸收 C、有利于杂质的

You'd better not wear such ties, because they ____ three years ago. [ ]

A. went on

B. went off

C. went over

D. went out

在卫生桥的制作中，桥体与粘膜间的间隙应为（）。

A.0.5～1mm

B.1.5～2.5mm

C.3～5mm

D.6～7mm

E.8～9mm

Polythecalis是属（）。

Sweat damage will occur in a cargo hold containing machinery parts when（）.

A.the outside air is colder than the cargo

B.the air temperature of the hold is higher than the outside air temperature

C.the dew point of the hold is higher than the temperature of the cargo

D.the dew point of the outside air is lower than the temperature of the cargo

针对部分中小企业“散、弱、低、粗、污”的状况，山东省从2014年起，启动“万企转型升级行动计划”。为加快转型升级，企业可以采取的措施有（）

①实施创新驱动战略，加强自主创新能力

②实施“走出去”战略，加快对外投资

③优化内部资源配置，提升核心竞争力

④调整产业政策，支持战略性新兴产业的发展

A.①②

B.①③

C.②④

D.③④