Unit 1
a hard or padded protective hat, various types of which are worn by soldiers, police officers, motorcyclists, sports players, and others.
helmet
(of a woman or female animal) having a child or young developing in the belly.
pregnant
a person who steals another person's property, especially by stealth and without using force or threat of violence.
thief
a person who is qualified to design buildings and to plan and supervise their construction.
architect
extremely angry.
furious
the activity or sport of doing acrobatic or gymnastic exercises jumping.
trampolining
the natural home or environment of an animal, plant, or other organism.
habitat
a claim or piece of evidence that one was elsewhere when an act, especially a criminal one, is alleged to have taken place.
alibi
the amount, level, or extent to which something happens or is present
degree
having or showing intense and eager enjoyment, interest, or approval.
enthusiastic
a thick piece of soft material, typically used to protect or shape something, or to absorb liquid
pad
a series of organisms each dependent on the next as a source of food.
food chain
carry out a systematic or formal interview and procedures to discover and examine the facts of (an incident, allegation, etc.) so as to establish the truth.
investigate
inviting competition; provocative.
challenging
(of a person) unable to think clearly; bewildered.
confused
descend a rock face or other near-vertical surface by using a doubled rope coiled around the body and fixed at a higher point;
rappelling
the main woody stem of a tree as distinct from its branches and roots.
trunk
a person thought to be guilty of a crime or offence.
suspect
providing satisfaction; gratifying.
rewarding
feeling or showing great pleasure.
delighted
a set of straps by which a horse or other animal is fastened to a cart
harness
a pocket-like abdominal part in which marsupials carry their young during lactation.
pouch
an impression or mark made on a surface by a person's fingertip, able to be used for identifying individuals from the unique pattern of whorls and lines on the fingertips.
fingerprint
a pass of an examination or an official completion of a course, especially one conferring status as a recognized practitioner of a profession or activity.
qualifications
having made a firm decision and being resolved not to change it.
determined