剑桥雅思16 - 学术类 - 测试1 - 阅读 - 第1段

carefully thought out in advance

a number of objects placed one on top of the other

to cause something or someone to fall

to show clearly that something is true or exists by providing proof or evidence

mentally quick

the feeling of being impatient, annoyed, or upset because of being unable to do or achieve what is desired

to lose the opportunity to do or participate in something useful or fun

a vehicle often pulled by horses used for carrying people over snow from one place to the other

in a way that is unusually impressive, effective, or surprising

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

a situation in which a particular animal or plant no longer exists

an important discovery or development that helps improve a situation or answer a problem

impressive and noble, often with a grand or dignified appearance

an increase in power, intensity, or quantity, usually one that happens gradually

a part of a tree divided into some other parts on which the leaves grow

done with purpose

ceasing to exist

having significant effects, implications, or consequences that extend over a wide area or range

a line of latitude near but to the south of the north pole; it marks the northernmost point at which the sun is visible on the northern winter solstice and the southernmost point at which the midnight sun can be seen on the northern summer solstice

relating to or including the evaluation of similarities and differences between two or more things

a kind of body tissue containing stored fat that serves as a source of energy; it also cushions and insulates vital organs

extremely overweight, with excess body fat that significantly increases health risks

a serious medical condition in which the body is unable to regulate the blood sugar levels because it does not produce enough insulin

to provide clarification, understanding, or insight into a topic, situation, or problem

something that is hard to explain or understand, often involving a puzzling event or situation with an unknown explanation

connected to the parts of the DNA in cells, called genes, that determine hereditary traits

an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus)

to learn of and confirm the facts about something through calculation or research

(genetics) a basic unit of heredity and a sequence of nucleotides in DNA that is located on a chromosome in a cell and controls a particular quality

difficult to endure

(biology) a change in the structure of the genes of an individual that causes them to develop different physical features

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

a representative form or pattern

(physics) the degree to which a substance is compacted, measured by dividing its mass by its volume

not enough in degree or amount

the process of taking food into the body through the mouth (as by eating)

the act of depriving of food or subjecting to famine

to change the figure, appearance or structure of something

a group of cells in the body of living things, forming their different parts

a substance such as a vitamin, protein, fat, etc. that is essential for good health and growth

to experience or endure a process, change, or event

the state of being with child

the quality or fact of being a mother to a child or children

the hidden place where a wild predatory animal lives

a young carnivorous mammal, such as a bear, lion, fox, etc.

abstaining from food

to use up or diminish the quantity or supply of a resource, material, or substance

something kept back or saved for future use or a special purpose

to become visible after coming out of somewhere

in a condition of biological rest or suspended animation

the ability or power to achieve something or develop into a certain state in the future

to turn to or use something as a solution or means of help, especially as a last option

having to stay in bed, usually for a long time, due to illness or injury

all of the living human inhabitants of the earth

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

to give thought to a certain fact before making a decision

to be likely to develop or occur in a certain way because that is the usual pattern

any mammalian animal that belongs to the same group as humans, such as monkeys, apes, lemurs, etc.

derived from personal experiences or stories, rather than from systematic research or data

to skillfully control or work with information, a system, tool, etc.

to forcefully remove something that is stuck or fixed in a particular position

to have firsthand knowledge of a development or event through observation or personal experience

carefully thought out in advance

rescuing from error and returning to a rightful course

a natural object resembling a machine in structure or function

to understand or think about someone or something in a certain way

carefully planned or considered before being done or decided

(of a person) to feed and care for a baby animal from birth instead of letting its mother do it