(1) If such materials became generally available to the optics industry the payoffs from such a breakthrough would be enormous.
(2) This part of the subject is called physical optics.
(3) Einstein's new theory on optics changed classical scientific ideas about light.

(1) the geology of the British Isles
(2) a geological survey
(3) He was visiting professor of geology at the University of Jordan.

(1) A second terminal was opened in 1998.
(2) a railway/bus/ferry terminal
(3) a positive/negative terminal

(1) There seemed to be no motive for the murder.
(2) I'm suspicious of his motives.
(3) the profit motive (= the desire to make a profit)

(1) hard liquor
(2) She drinks wine and beer but no liquor.
(3) intoxicating liquor

(1) the Lord Mayor's parade
(2) St Patrick's Day parade in New York
(3) (figurative)The latest software will be on parade at the exhibition.

(1) manual labour/jobs/skills
(2) manual and non-manual workers
(3) a manual gearbox

(1) Give details of children where applicable (= if you have any) .
(2) [不可数名词]The new approach had wide applicability to all sorts of different problems.
(3) Much of the form was not applicable (= did not apply) to me.

(1) Police have appealed for witnesses to the accident.
(2) a witness to the killing
(3) a defence/prosecution witness

(1) The action of the novel shifts from Paris to London.
(2) Lydia shifted uncomfortably in her chair.
(3) He shifted his gaze from the child to her.

(1) primitive tribes
(2) primitive beliefs
(3) primitive man

(1) to register a birth/marriage/death
(2) to register a company/trademark
(3) The ship was registered in Panama.

(1) There is no simple remedy for unemployment.
(2) There are a number of possible remedies to this problem.
(3) a herbal remedy

(1) audio and video cassettes
(2) She uses her vocal training to record audio tapes of books for blind people.
(3) The local audio operation failed. Verify that your headset or microphone is functioning properly.

(1) He never drinks alcohol.
(2) alcohol abuse
(3) Wine contains about 10% alcohol.

(1) hydrogen is used extensively in industry for the production of ammonia.
(2) He mobilized public opinion all over the world against hydrogen-bomb tests.
(3) Carbon, hydrogen and oxygen combine chemically to form carbohydrates and fats.

(1) She made no response.
(2) In response to your inquiry…
(3) I received an encouraging response to my advertisement.

(1) It is not possible to infect another person through kissing.
(2) people infected with HIV
(3) eggs infected with salmonella

(1) the origins of life on earth
(2) Most coughs are viral in origin (= caused by a virus) .
(3) The origin of the word remains obscure.

(1) The animals were reared in conditions which approximated the wild as closely as possible.
(2) The total cost will approximate £15 billion.
(3) His story approximates to the facts that we already know.

(1) A dolphin leapt out of the water.
(2) We leapt over the stream.
(3) The horse leapt a five-foot wall.

(1) They applaud their favorite comedienne as she come on the stage.
(2) However, my favorite sport is basketball.
(3) Chocolate milk is my favorite.

(1) a water-saving device
(2) electrical labour-saving devices around the home
(3) A powerful device exploded outside the station.

(1) signals transmitted from a satellite
(2) The ceremony was transmitted live by satellite to over fifty countries.
(3) a short-wave radio that can transmit as well as receive

(1) The race organizers are trying to attract sponsors.
(2) I'm collecting sponsors for next week's charity run.
(3) the sponsor of the new immigration bill

(1) She resented his persistent approaches.
(2) All the approaches to the palace were guarded by troops.
(3) The club has made an approach to a local company for sponsorship.

(1) national security (= the defence of a country)
(2) airport security
(3) They carried out security checks at the airport.

(1) He's not very good at arithmetic.
(2) a quick bit of mental arithmetic
(3) I think there's something wrong with your arithmetic.

(1) No matter how you drill into the catalog, eventually you'll arrive at a list of products.
(2) Please provide us your company catalog.
(3) Do you have a catalog with the price list?

(1) Thousands of people flocked to the beach this weekend.
(2) Huge numbers of birds had flocked together by the lake.
(3) People flocked to hear him speak.

(1) Teaching is by lectures and seminars.
(2) a graduate seminar
(3) a seminar room

(1) to be interested in wildlife conservation
(2) to encourage the conservation of water/fuel
(3) energy conservation

(1) a naval base/officer/battle
(2) He was the senior serving naval officer.
(3) ...the US naval base at Guantanamo Bay.

(1) a faded pair of blue jeans
(2) He neither gambled, drank, nor smoked.
(3) She used to slop around all day in old jeans and sweatshirts.

(1) The movie will be released on video in June.
(2) Do we have a blank video ?
(3) a video of ‘ET ’

(1) suffering from physical/mental/nervous exhaustion
(2) Her face was grey with exhaustion.
(3) the exhaustion of natural resources

(1) The Romans were the first to utilize concrete as a building material.
(2) The resources at our disposal could have been better utilized.
(3) Sound engineers utilize a range of techniques to enhance the quality of the recordings...

(1) She patted the dog on the head.
(2) He patted his sister's hand consolingly.
(3) pat your face dry with a soft towel.

(1) housing provision
(2) The government is responsible for the provision of health care.
(3) There is no provision for anyone to sit down here.

(1) a sensitive and caring man
(2) She is very sensitive to other people's feelings.
(3) an actor's sensitive reading of the poem