剑桥雅思18 - 学术类 - 测试1 - 听力 - 第4部分 (2)

to closely watch a person or thing, particularly in order to make sure they are safe

needing immediate action or attention

special care or treatment given to someone or something

a visible ring, band, or marking encircling the neck or throat area of an animal

a woman who leads or dominates a family, group, or tribe

to follow someone or something by examining the marks they leave behind in order to catch them or know what they are doing

the action of finding the size, number, or degree of something

each of the curved pointy teeth of some animals such as elephants, boars, etc., especially one that stands out from the closed mouth

to place or position individuals or items for transportation

to take people, goods, etc. from one place to another using a vehicle, ship, or aircraft

move from one place to another, especially of wild animals

the likelihood or possibility of something becoming successful in the future

the fact or state of having a regular paid job

to a great or vast degree

to be one of the causes or reasons that helps something happen

to increase or become more intense

the level of wealth, welfare, comfort, and necessities available to an individual, group, country, etc.

(of a person) having filled a specific status or position in an earlier period

able to be trusted to perform consistently well and meet expectations

a place or thing from which something originates or begins

used to introduce a statement that provides additional information or emphasizes the truth or reality of a situation

to state or suggest something without being asked or told

to let go of things that are not essential or necessary

an object that can physically harm someone or something, such as a gun, bomb, knife, etc.

up to a certain point but not beyond it

the transportation of people (as a family or colony) to a new settlement (as after an upheaval of some kind)

used to express area by multiplying length by width

a plentiful or abundant amount of something

the state of being present; current existence

to bring something into a state of stability or harmony

a community of living organisms together with their physical environment, interacting as a system

able to continue for a long period of time

the protection of the natural environment and resources from wasteful human activities

to make an exact copy of something

a performer or attraction that greatly appeals to audiences, resulting in the attraction of large crowds to an event or venue

the activity of traveling to different places for enjoyment, sightseeing, or relaxation

used to multiply a number by another

the activity of exchanging goods or services

the measure of an economy adopted by the United States in 1991; the total market values of goods and services produced by workers and capital within a nation's borders during a given period (usually 1 year)

surprising or exciting in appearance or effect

the action of making people obey a law or regulation

used to convey that one is against something

appropriate for a certain situation or purpose

to keep someone or something under observation, typically for safety or security purposes

in a way that continues without any pause

the illegal hunting, capturing, or killing of wild animals, usually to sell them or their body parts