Extensive Reading-Book D Unit 18 (E)

agile

quick and skillful in moving
The ballerina was very agile in her performance.

contrasting

very different
The contrasting views of the different age groups was not surprising to the teacher.

decompose

to rot
Over time, dead plants decompose into the ground.

elusive

difficult to describe
The answer to the murder mystery is elusive.

emerged

to appear
The deer emerged from the woods and into the clearing.

evolution

the development of living things, cultures or ideas
Darwin is credited with the theory of evolution.

exceeds

to be more than what is expected
The money raised from the fund raiser exceeded our expectations.

expanded

to grow larger
The CEO expanded his company buy starting a new branch in Canada.

fossil

the remains of ancient animal or plant life preserved in rock
fossils tell us a great deal about the dinosaurs that lived long ago.

glided

to fly through the air without power
Birds are able to glide through the air effortlessly.

hollow

empty, with no center
The tree was not very healthy; the trunk was hollow.

limestone

a type of rock composed of calcium carbonate
Many homes in Texas are built from limestones.

obstacles

something that gets in the way and stops action or progress
The new president faced many obstacles in implementing his new plan.

pelvis

he area of the body between the backbone and the legs, framed by the hip bones
A women's pelvis is wider than a mans.

predators

an animal that lives by killing and eating others
Lions are predators; they eat other animals.

province

a governmental area into which many countries are divided
She and her husband are from the same province in China.

traits

a characteristic
Her many positive traits make her a very popular teacher.

unambiguous

without doubt
The parent's rules are unambiguous: if you come home late, you are grounded for a week.

unanswered

not answered or explained
The committee became suspicious when many of their questions were unanswered.

unearthed

to dig up
The little boy unearthed a wooden box full of money in his backyard.