He was suspected of giving away government secrets to the enemy. They have investigated him for days.
A.Suspecting of giving away government secrets to the enemy, he has investigated them for days.
B.Having suspected of giving away government secrets to the enemy, he has investigated them for days.
C.He had been investigated for days, suspected of giving away government secrets to the enemy.
D. Suspected of giving away government secrets to the enemy, he has been investigated for days.

Travellers are advised to take out insurance. Their luggage may go astray.
A.Travellers should take out insurance if their luggage goes astray.
B.Travellers should get insurance, or else their luggage may go astray.
C.Travellers are advised to take out insurance in case their luggage goes astray.
D.Travellers had better buy insurance as a precaution against their luggage go astray.

You …. the air pressure in your tires if you do not want to get a flat tire on your trip.
A.should be checked
B. do not have to check
C.mustn’t check
D.ought to check

The computer does not work. It…. during transportation.
A.must have been damaged
B.should have been damaged
C.can be damaging
D.will damage

Mary decided not to join us for dinner. She…. stay at work to finish the marketing report.
A.had to
B.must
C.can
D.may

No one but the experts was able to realize that the painting was an imitation. It greatly resembled the original.
A.It was obvious that only a person with great talent could fake a painting so successfully
B.It was hard for ordinary people to judge between the fake painting and the real one, but not for the experts.
C.It was almost impossible for amateurs to realize that the painting was not authentic, though the experts could judge it quite easily.
D.The pointing looked so much like the authentic that only the experts could tell it wasn't genuine.

The man was shot in the bank robbery. The doctors are operating on him.
A.The doctors are operating on the man who was shot in the bank robbery.
B.The man was whom the doctors are operating on him shot in the bank robbery
C.The man whom the doctors are operating on him shot in the bonk robbery.
D.The man was shot in the bank robbery where the doctors are operating on him.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines the pair of sentences given in each of the following questions.1. The police issued a warning on the radio. A dangerous man had escaped from hospital.
A.A dangerous man had escaped from hospital, so the police issued a warning on the radio.
B.The police issued a warning on the radio about a dangerous man had escaped from hospital.
C.The police issued a warning on the radio, namely, a dangerous man had escaped from hospital.
D.A dangerous man had escaped from hospital where the police issued a warning on the radio.

Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.
Applications and Uses of Artificial Intelligence
A neural network is an electronic model of the brain consisting of many interconnected simple processors. This imitates (16) ______ your actual brain works. Applications of artificial neural systems consist of vision systems, speech recognition, handwriting recognition and intelligent robots.
Artificial Intelligence is used to (17)______ and understand an image in industrial, military use, or in satellite photo interpretation. Police use the computer to come up with a photo fit drawing of a criminal, and doctors use the system to make (18)______ of the patient.
Speech recognition is the (19)_____ of the computer to understand a human talking to its. There are many problems associated with this –humans have different accents, slang words, noise in the background, feeling poorly (flu, cold, etc.). This means that the computer has to be (20)_____ to recognize the voice of the human. Honda CRV has the following (21)_____ of voice commands that the driver can use while driving – using the mobile phone, turning the temperature up or down, turning the air conditioner on or off, asking the car to (22)______ using the satellite navigation system, turning the radio on or off or up or down.
An intelligent robot has many different sensors, large processors and a large memory in order to show that they have intelligence. The robots will learn from their mistakes and be able to (23)______ to any new situation that may (24)_____. An intelligent robot can be programmed with its own expert (25)_____. For example, a factory floor is blocked with fallen boxes, then an intelligent robot will remember this take a different route.
A.way
B.method
C.system
D.organization

Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.
Applications and Uses of Artificial Intelligence
A neural network is an electronic model of the brain consisting of many interconnected simple processors. This imitates (16) ______ your actual brain works. Applications of artificial neural systems consist of vision systems, speech recognition, handwriting recognition and intelligent robots.
Artificial Intelligence is used to (17)______ and understand an image in industrial, military use, or in satellite photo interpretation. Police use the computer to come up with a photo fit drawing of a criminal, and doctors use the system to make (18)______ of the patient.
Speech recognition is the (19)_____ of the computer to understand a human talking to its. There are many problems associated with this –humans have different accents, slang words, noise in the background, feeling poorly (flu, cold, etc.). This means that the computer has to be (20)_____ to recognize the voice of the human. Honda CRV has the following (21)_____ of voice commands that the driver can use while driving – using the mobile phone, turning the temperature up or down, turning the air conditioner on or off, asking the car to (22)______ using the satellite navigation system, turning the radio on or off or up or down.
An intelligent robot has many different sensors, large processors and a large memory in order to show that they have intelligence. The robots will learn from their mistakes and be able to (23)______ to any new situation that may (24)_____. An intelligent robot can be programmed with its own expert (25)_____. For example, a factory floor is blocked with fallen boxes, then an intelligent robot will remember this take a different route.
A.develop
B.exist
C.rise
D.arise