A These exercises
B easy
C very relatively
D for
A not until the end
B prehistoric
C the first
D appearing
A As
B can perform
C its functions
D in half the time
A helpless
B disappointed
C vulnerable
D defenseless
A bring about
B make out
C try out
D turn up
A to offer
B once offering
C you offer
D being offered
A have laid down
B has laid aside
C have been laid off
D has been laid out
A happened
B would happen
C happens
D will happen
A things said by the teacher
B that the teacher said
C which the teacher said
D what the teacher said
A at heart
B by heart
C with heart
D in heart
A anyone
B whatever
C everyone
D whoever
A has been
B is
C was
D had been
A don’t they
B do they
C does he
D doesn’t he
A advance
B advancement
C advanced
D advancing
A Yes, tell me about it!
B I can’t agree with you more!
C That’s OK!
D Yes, please.
A No way.
B No comment.
C No thanks
D No longer
A a large work of art
B an expensive work of art
C an excellent work of art
D a down-to-earth work of art
A publicly said
B publicly supported
C strongly condemned
D openly criticised
A balanced
B restricted
C expanded
D boosted
A physical
B severe
C beneficial
D damaging
A Environmentalists are expressing their gratitude towards people who are better aware of the problems of endangered species.
B People owe their growing awareness of the problems of endangered species to the efforts of environmentalists.
C People have no idea about the problems of endangered species in spite of the efforts of environmentalists.
D Environmentalists are doing their best to make people aware of the problems of endangered species.
A The university lets Peter major in electronics.
B Electronics is among the subjects that Peter likes.
C Peter thinks electronics is a special subject.
D Peter majors in electronics at university.
A I would have spoken English well if I could get that job.
B I wish I had got the job so that I could speak English well.
C Despite my poor English, I was successful in the job.
D I failed to get the job because of my poor English.
A They demanded that the book be reprinted immediately.
B So great was the demand that they had to reprint the book immediately.
C The book would be reprinted immediately since the demand was great.
D They demanded to reprint the book immediately.
A Even though he failed the exam, he didn’t work hard.
B Unless he had worked hard, he would have failed the exam.
C If he had worked hard, he would have passed the exam.
D However hard he worked, he failed the exam.
A the way its atoms bond together
B the absence of free electrons
C its atoms with a positive charge
D the loss of one electron in the core of its atoms
A the heaviest
B furthest from the inside
C nearest to the inside
D the lightest
A its charged ions can flow easily
B it cannot create any charged ions
C it has free electrons
D its charged ions are not free to move
A only a positive electric charge
B only a small amount of fully charged particles
C only a negative electric charge
D no positive or negative electric charge
A the water itself is a good conductor of electricity
B the water contains too many neutral molecules
C the water containing no charged particles makes it more conductive
D the water dissolves the salt on our skin and becomes more conductive
A Graphite is a common solid substance that can conduct electricity.
B Salt can conduct electricity when it is molten or dissolved.
C Pure water is much more conductive than most water we encounter every day.
D Some materials are more conductive than others.
A Electrical Insulators
B Electrical Energy
C Electrical Conductivity
D Electrical Devices
A heavy traffic
B cheap tickets
C long distances
D air pollution
A large cities
B large states
C some states
D all cities
A Few college students in the US have their own cars.
B The underground systems are popular in some major US cities.
C Most Americans prefer to drive their cars outside large cities.
D Families in the US often have more than one car.
A at an early time and nearby place
B at the fastest time and nearest place
C at the latest time and nearest place
D at an appropriate time and place
A Trains are usually cheaper than long-distance coach services.
B There are no regular flights between regional airports.
C Heavier items and raw materials are often transported by train.
D Long-distance travel in Britain is only by road.
A speeding and bad roads
B drink-driving and traffic jams
C traffic jams and pollution
D accidents and pollution
A they think it is not good enough
B they see no reason to use their cars less
C petrol is relatively cheap in Britain
D they like to share rides with neighbours
A major cities
B Americans
C the government
D neighbours
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