在托福考试中,考生们必须有一定的词汇积累量以后,才能在托福考试中游刃有余。而且有一些基础类词汇,大家不但要了解它们的拼写方式,更要清楚它们的运用方法和搭配关系。
Group 1 food crops
1.abandon
7.irrigation
8.obtain
10.precipitation
Group 2 disaster
1.anticipate
2.catastrophic
3.collide
5.famine
6.flood
7.impact
1.adapt
2.diverse
3.evolve
4.feature
5.generation
6.inherent
7.migration
8.physical
9.process
10.survive
2.contamination
4.dispose of
5.elementally
8.reservoir
9.shrink
10.stable
以上为大家分类整理的内容,大家一定要好好掌握它们。
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收听单词发音
1
adversely
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ad.有害地 |
参考例句: |
- We commented adversely upon the imbecility of that message of telegraphic style. 我们对着这条电报式的愚蠢的留言发泄了一通不满。
- Widely fluctuating exchange rates may adversely affect international trade. 浮动幅度很大的汇率可能会对国际贸易产生有害的影响。
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2
aggregate
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adj.总计的,集合的;n.总数;v.合计;集合 |
参考例句: |
- The football team had a low goal aggregate last season.这支足球队上个赛季的进球总数很少。
- The money collected will aggregate a thousand dollars.进帐总额将达一千美元。
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3
cultivation
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n.耕作,培养,栽培(法),养成 |
参考例句: |
- The cultivation in good taste is our main objective.培养高雅情趣是我们的主要目标。
- The land is not fertile enough to repay cultivation.这块土地不够肥沃,不值得耕种。
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4
fertilize
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v.使受精,施肥于,使肥沃 |
参考例句: |
- Fertilizer is a substance put on land to fertilize it.肥料是施在地里使之肥沃的物质。
- Reading will fertilize his vocabulary.阅读会丰富他的词汇。
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5
intensify
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vt.加强;变强;加剧 |
参考例句: |
- We must intensify our educational work among our own troops.我们必须加强自己部队的教育工作。
- They were ordered to intensify their patrols to protect our air space.他们奉命加强巡逻,保卫我国的领空。
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6
photosynthesis
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n.光合作用 |
参考例句: |
- In apple trees photosynthesis occurs almost exclusively in the leaves.苹果树的光合作用几乎只发生在叶内。
- Chloroplasts are the structures in which photosynthesis happens.叶绿体就是光合作用发生的地方。
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7
eruption
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n.火山爆发;(战争等)爆发;(疾病等)发作 |
参考例句: |
- The temple was destroyed in the violent eruption of 1470 BC.庙宇在公元前1470年猛烈的火山爆发中摧毁了。
- The eruption of a volcano is spontaneous.火山的爆发是自发的。
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8
persevere
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v.坚持,坚忍,不屈不挠 |
参考例句: |
- They are determined to persevere in the fight.他们决心坚持战斗。
- It is strength of character enabled him to persevere.他那坚强的性格使他能够坚持不懈。
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9
plunge
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v.跳入,(使)投入,(使)陷入;猛冲 |
参考例句: |
- Test pool's water temperature before you plunge in.在你跳入之前你应该测试水温。
- That would plunge them in the broil of the two countries.那将会使他们陷入这两国的争斗之中。
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10
unleash
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vt.发泄,发出;解带子放开 |
参考例句: |
- They hope to create allies to unleash against diseases,pests,and invasive species.他们希望创造出一些新群体来对付疾病、害虫和一些有侵害性的物种。
- Changing water levels now at times unleash a miasma of disease from exposed sewage.如今,大坝不时地改变水位,从暴露的污水释放出了疾病瘴气。
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11
migration
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n.迁移,移居,(鸟类等的)迁徙 |
参考例句: |
- Swallows begin their migration south in autumn.燕子在秋季开始向南方迁移。
- He described the vernal migration of birds in detail.他详细地描述了鸟的春季移居。
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12
petroleum
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n.原油,石油 |
参考例句: |
- The Government of Iran advanced the price of petroleum last week.上星期伊朗政府提高了石油价格。
- The purpose of oil refinery is to refine crude petroleum.炼油厂的主要工作是提炼原油。
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13
constraint
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n.(on)约束,限制;限制(或约束)性的事物 |
参考例句: |
- The boy felt constraint in her presence.那男孩在她面前感到局促不安。
- The lack of capital is major constraint on activities in the informal sector.资本短缺也是影响非正规部门生产经营的一个重要制约因素。
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14
deplete
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v.弄空,排除,减轻,减少...体液,放去...的血 |
参考例句: |
- Most native mammal species have been severely depleted.大多数本地哺乳动物的数量都已经大大减少了。
- Elastic collisions deplete very little of the electron's energy.弹性碰撞中电子减少的能量非常少。
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15
emission
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n.发出物,散发物;发出,散发 |
参考例句: |
- Rigorous measures will be taken to reduce the total pollutant emission.采取严格有力措施,降低污染物排放总量。
- Finally,the way to effectively control particulate emission is pointed out.最后,指出有效降低颗粒排放的方向。
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16
extinction
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n.熄灭,消亡,消灭,灭绝,绝种 |
参考例句: |
- The plant is now in danger of extinction.这种植物现在有绝种的危险。
- The island's way of life is doomed to extinction.这个岛上的生活方式注定要消失。
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