专业英语试题

衡阳师范学院化学与材料科学学院2015年下学期2011级
高分子材料与工程和应用化学专业《专业英语》期末考试A 卷
(开卷考试)
一
、
选择
一个
最合适的答案填在下面表格中。

（共15小题，每小题3分，共45分）
6.?The?octet?rule?simply?states?that?an?atom?tends?to?gain?or?lose?electrons?until?th ere?are??electrons?in?its?valent?shell.
A.12?
B.8??
C.6??
D.12
7.?When?water?combines?with?pure?CuSO4,?a?CuSO4 5H2O?forms.
A.hydrogenate??
B.hydrate??
C.hydrocarbon??
D.hydride?
8.?InamoleculeofCH4,thehydrogenatomsarespatiallyorientedtowardthecentersofaregul ar.
A.pyramid
B.tetrahedron
C.square
D.rectangle
9.?Thesubstancesontheleftsideofachemicalequationareknownas.
A.reactant(s)
B.reactor(s)
C.reductant(s)
D.reaction(s)?
10.?The?seawater?is?saline?solution.?To?desalinate?seawater?is?the?process?tosalt? component.
A.?add??
B.dilute?
C.concentrate?
D.remove
11.?There?are(is)paired?electrons?in?hydrogen.
A.1?
B.2??
C.3?
D.4?
12.?The?valent?electronic?configuration?for?fluorine?is.?
A.1s2?
B.2s2?
C.2s22p5?
D.2s22p4?
13.?Whichofthefollowingbelongstothefamilyofnitrites?
A.HNO3
B.KNO2
C.Mg3N2
D.NH3
14.Whichofthefollowingreactionwilloccurwhenweblendanacidwithaalcohol?
A.elimination
B.replacement
C.esterification
D.neutralization
15.?Which?of?the?following?belongs?to?transition?metal??
A.?S?
B.Na?
C.He?
D.V
二、词汇题(将中文词组翻译成英文；对英文和缩写Array给出中文释义；共20分,每题2分)
1.tetrahedron
2.chiralmolecule
5.benzyl
6.过氧化物
7.阴离子8.滴定(n.)
9.滤液10.天平
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3.Evidencehasshownthatseveralworkersexposedtovinylchlorideduringtheirworkhaved iedfromarareformoflivercancer.
4.Theadventofthermodynamics,meanwhile,broughtorganicchemistrystillcloserinlinew iththeinorganicbranchbydemonstratingthattherewasnoneedtodistinguishamysteriousvi talforcefromtheenergychangesthatdriveinorganicreactions.
5.Distillationisanextremelyusefultechniquethatisusedtopurifyreagentsandseparatecrud eproductmixtures.Therearetwovarietiesofdistillationatmosphericpressureandreducedpr essure.。