剑桥雅思18 - 学术类 - 测试2 - 听力 - 第3部分 (2)

to go over, read, or explain something quickly

including or consisting of many different types

a variety of things that are different but are of the same general type

animals that are kept on a farm, such as cows, pigs, or sheep

(of sheep, cows, etc.) to feed on the grass in a field

a piece of land in the country, especially one where crops are grown or animals are kept, typically surrounded by a fence, etc.

trees and plants in general, particularly those of a specific habitat or area

to make a place, substance, etc. dirty or harmful by adding dangerous material

a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite

used to indicate the outcome of a preceding action or situation

airborne particles, such as dust or debris, that settle after a nuclear explosion or similar event

strange or unexpected in appearance, style, or behavior

a regular and distinct sequence that can be found in certain situations

very harsh or intense

a long period of time when there is not much raining

the world's longest river (4150 miles); flows northward through eastern Africa into the Mediterranean; the Nile River valley in Egypt was the site of the world's first great civilization

a plant that is grown for food over large areas of land

a situation where there is not enough food that causes hunger and death

a dangerous disease spread by rats that causes fever and swellings, often kills if infected

the number of deaths in a particular population over a specific period of time, usually expressed as a ratio or percentage

used to say that the something is believed to be true based on available information or evidence

in regard to what someone has said or written

a number or amount expressed as a fraction of 100

a book or journal in which one records personal experiences, thoughts, or feelings on a regular basis, usually on a daily basis

confined or shut in by heavy snow

to be in motion on a body of water or current of air at a slow pace

never having existed or happened before

causing great surprise or amazement due to being impressive, unexpected, or remarkable

logically deductive

showing the intensity or greatness of something

a statement or proposition that denies another statement or proposition

information or facts collected to be used for various purposes

belonging to the current era

to make a connection between someone or something and another in the mind

to create a barrier that prevents light or noise from reaching a specific space

to say that something is the case without providing proof for it

a decision reached after thoroughly considering all relevant information

to find or discover something by searching for its features, characteristics, or details

an expert who observes and comments on something

existing or spreading among many people, groups, or communities through communication, influence, or awareness

enduring or remaining for a considerable amount of time without quickly wearing off or disappearing

to overlook or neglect something important or noteworthy

something that shows there may be danger, trouble, or a problem ahead

to experience and be affected by something bad or unpleasant

the state or process of losing a person or thing

farming and its science

easily anticipated or expected to happen based on past experiences or knowledge

to a degree that is higher than usual

having an unpleasant or rough nature, in a way that is difficult to endure

to make land, water, air, or other natural areas unsafe and harmful by spreading dangerous chemicals or substances

surprising or exciting in appearance or effect