Unit 5

Question 1

Pest

Answer 1

a small animal or insect that destroys crops or food supplies - vermin

• a chemical used in pest control

Question 2

Brilliant

Answer 2

brilliant light or color is very bright and strong

• She closed her eyes against the brilliant light.
• We sat outside in the brilliant sunshine.

Question 3

Continent

Answer 3

a large mass of land surrounded by sea - قاره

• the continents of Asia and Africa

Question 4

rub

Answer 4

to move your hand, or something such as a cloth, backwards and forwards over a surface while pressing firmly - stroke

• She began rubbing her hair with a towel.
• You’ll have to rub harder if you want to get it clean.

Question 5

Prey

Answer 5

an animal, bird etc that is hunted and eaten by another animal - طعمه OPP: predator

• a tiger stalking its prey

Question 6

Breed (v)

Answer 6

if animals breed, they MATE in order to have babies

• Eagles breed during the cooler months of the year.

Question 7

Flock

Answer 7

a group of sheep, goats, or birds

• a flock of small birds

Question 8

Stratagem

Answer 8

a trick or plan to deceive an enemy or gain an advantage - ploy

Question 9

Ornithologist

Answer 9

someone who studies birds

Question 10

Predator

Answer 10

an animal that kills and eats other animals

Question 11

dig

Answer 11

to move earth, snow etc, or to make a hole in the ground, using a SPADE or your hands

• They dig a small hole in the sand to bury their eggs.
• Dig down about 6 inches.

Question 12

Riverbank

Answer 12

the land near a river

• He bought a house on the banks of the River Wye.

Question 13

nest

Answer 13

a place made or chosen by a bird to lay its eggs in and to live in

• a bird’s nest
• Young eagles leave the nest after only two months.

Question 14

Pesticide

Answer 14

a chemical substance used to kill insects and small animals that destroy crops

Question 15

Humpback whale

Answer 15

a large WHALE

Question 16

Mammal

Answer 16

a type of animal that drinks milk from its mother’s body when it is young. Humans, dogs, and whales are mammals.

Question 17

Longitude

Answer 17

the distance east or west of a particular MERIDIAN(نصف النهار), measured in degrees - عرض جغرافیایی

• The town lies at longitude 12° east.

Question 18

Distinctive

Answer 18

having a special quality, character, or appearance that is different and easy to recognize

• a rock band with a distinctive sound

Question 19

Marking

Answer 19

things painted or written on something, especially something such as an aircraft, road, vehicle etc

• The marking on the road is unclear.
• strange markings on the walls of the cave

Question 20

Underestimate (n)

Answer 20

a guessed amount or number that is too low OPP: overestimate

• Fourteen percent may be an underestimate.

Question 21

Detour

Answer 21

a way of going from one place to another that is longer than the usual way - انحراف

• We took a detour to avoid the town center.

Question 22

Krill

Answer 22

a small animal that lives in water, has a shell, and can be eaten as food, for example CRABS, LOBSTERS, and OYSTERS

Question 23

Hostile

Answer 23

angry and deliberately unfriendly towards someone, and ready to argue with them - متخاصم

• Southampton fans gave their former coach a hostile reception.
• his hostile attitude

Question 24

Ecology

Answer 24

the way in which plants, animals, and people are related to each other and to their environment, or the scientific study of this - محیط زیست - بوم شناسی

• the natural ecology of the Earth
• plant ecology

Question 25

Skirt (v)

Answer 25

to go around the outside edge of a place or area

• The old footpath skirts around the village.