【2018年职称英语考试理工类B级全真预测题(2)】 职称英语理工B
第1部分：词汇选择(第1——15题，每题1分，共15分)
下面每个句子中均有一个词或短语有下划线，请为每处划线部分确定一个意义最为接近的选项。
1. The old concerns lose importance and some of them vanish altogether.
A.develop
B.disappear
C.linger
D.renew
2.In the United States educational system, intermediate school is the transitional phase between the primary grades and high school.
A.stage
B.notion
C.pattern
D.alternative
3.Fluoride deters tooth decay by reducing the growth of bacteria that destroy tooth enamel.
A.facilitates
B.overwhelms
C.inhibits
D.loosens
4.The firm of Bonnin and Morris in Philadelphia was probably the first American Company to manufacture porcelain.
A.silverware
B.crystal
C.china
D.linen
5.Gunpowder was used extensively in firearms prior to 1990.
A.in
B.around
C.from
D.before
6.We packed up the things I had accumulated over the last three years and left for good.
A.close
B.near
C.past
D.final
7.The chemical is lethal to rats but safe to cattle.
A.toxic
B.harmful
C.deadly
D.contagious
8.She is very conscientious about her work.
A.worried
B.careful
C.anxious
D.nervous
9.She has consolidated her power.
A.strengthened
B.won
C.hardened
D.united
10.The drinking water is contaminated with impurities.
A.blackened
B.polluted
C.darkened
D.mixed
11.Her novel depicts a futuristic America.
A.writes
B.sketches
C.describes
D.indicates
12.He expressed concern that the ship might be in distress.
A.despair
B.difficulties
C.need
D.danger
13.They are endeavoring to change society as a whole.
A.trying
B.working
C.doing