How do optical fibers carry voice message?




A.By sending coordinated electrical pulses through optical fibers
B.By using cathode-ray tube devices.
C.By converting electrical signals to light pulses
D.By fusing bundles of fiberscopes into a faceplate

The word “practice” is closest in meaning to_________




A.deed
B.drill
C.belief
D.exercise

What does it mean “Customers can vote with their wallets”?




A.they can choose the cheapest products
B.they can ask people to choose products with less packaging
C.they can tell the producers which products are good for environment by buying them.
D.they can cast a lot to praise a producer.

According to the passage, why didn't businesses use crowdsourcing in the past?




A.It was too hard to collect and check lots of people's ideas.
B.People weren't as smart as they are today.
C.It was usually illegal in most countries to do this.
D.No one had ever thought of the idea of crowdsourcing before.

A.comprehend
B.individual
C.unexpected
D.spectacle

Question 26 – 30: Each of the following sentences has one error (A, B, C or D). Find it and blacken your choice on your answer sheet.
Tom looked at Ann; Ann looked at Tom. They looked at each others.




A.Tom
B.at
C.They
D.each others

The word “ executives “ in line 10 refers to __________ .




A.telecommuters
B.managers
C.employees
D.most people

- Janet: _____________________ - Linda: Oh, thank you. I just got it yesterday.




A.That’s a beautiful dress you have on!
B.When have you got this beautiful dress?
C.You’ve just bought this beautiful dress, haven’t you?
D.How a beautiful dress you’re wearing!

It’s essential that every student _______ the exam before attending the course.




A.passed
B.would pass
C.passes
D.pass

In paragraph 2, what is the word contracted closest in meaning to?




A.get well
B.isolated
C.discharged
D.catch disease