乙炔在常温常压下的空气(),溶于水和有机溶剂的()在工业出产的乙炔气因含有()等杂质

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问题:

乙炔在常温常压下的空气(),溶于水和有机溶剂的()在工业出产的乙炔气因含有()等杂质而带有刺激性。

考点:化学工程精细化工工艺学精细化工工艺学题库
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阅读下列各小题,根据括号内的汉语提示,用句末括号内的英语单词完成句子,并将答案写在答题卡上的相应题号后。

例:We__________(起床)before dawn. It was still dark outside.(get)

答案:got up

小题1:  Not until two days after the earthquake________(她发现)her mother alive.(find)

小题2:  ________call net when you arrive. Just come up to me house. I’ll be at home all day.(there)

小题3:  It was cold and dumpty the man pulled up his collat and put his hands to his_____(冻僵了的脸).(freate)

小题4: ________(把钥匙握在手上),he looked for them everywhere.(hold)

小题5:  If_________(我没有喝)alcohol last night. I could have driven my car home.(drink)

小题6:         (令球迷欣喜的)was that the young player performed exteriorly well in the table tennis tournament.(delight)

小题7:  A number of paintings in this castle are believed        (被毁掉)in a fire in 2009.(destroy)

小题8:         (他突然想到) that he had an important conference to attend the next morning.(occur)

小题9:  Be careful! The machine starts      (你一按)the button.(moment)

小题10:                        (比较这两把牙刷) and you’ll find the purple one is softer.(compare)

题型:填空题

( )在应用层对信息的保密性、完整性和来源真实性进行保护和认证。

A.物理安全

B.安全控制

C.安全服务

D.数字签名

题型:填空题

由于未来事务的繁杂性;();风险性;机遇性;利益主体的多元化等多种因素,使秘书为领导提供有效辅助与服务的难度更大了.

题型:填空题

晚期新生儿化脓性脑膜炎的病原菌是()。

题型:填空题

关于芬太尼的描述中,下列哪项错误

A.镇痛强度为吗啡的75~125倍

B.作用持续时间30分钟

C.不抑制心肌收缩力,使心率减慢

D.注射过快可致胸腹壁肌肉僵硬

E.抑制呼吸,主要表现为潮气量降低

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