题目内容
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Flammable Liquids
提问人：网友xiaogang7997
发布时间：2022-01-07
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A、Poly(vinyl chloride)
B、Polystyrene
C、Polytetrafluoroethylene
D、Polyimide
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第2题
直接转化法Direct conversion 优点：（）。Advantages: non-toxic solution, simple process, easy operation, high purification degree, low steam consumption, low corrosion to equipment, low infrastructure investment and production costs, selective removal of H2S.
A、溶液无毒
B、工艺过程简单，容易操作
C、净化度高
D、蒸汽耗量低
E、对设备的腐蚀性小
F、基建投资和生产费用低
G、可选择性脱除H2S
第3题
___________ is NOT a foreseeable collateral damage of AI.
A、A great number of job losses
B、Information leakage
C、Degrading human ability
D、Economic depression
第4题
Bhutan is in South Asia, and is the smallest country in the subcontinent, with an estimated population of 174，700 .
第8题
完型填空 prohibited X-ray scanners entrances metal detectors go through fetch 完型填空 There are security channels in each station. Security staff are placed at the ____1__ of train stations with equipment like ________2______ and ________3_______. The passengers may have to wait in line a long time to ___4_______ security checks. They put all the luggage on the security check apparatus and then have themselves checked by security staff. Afterwards, they should pass the channel quickly and __5____ their luggage. The ______6____ articles will be confiscated. 第 6个空填入的单词是
A、entrances
B、prohibited
C、go through
D、X-ray scanners
E、fetch
第9题
Passengers are ________ of the arrival time.
A、informed
B、suggested
C、bilingual
D、fond
E、previous
F、automatic
