CPE :: Lesson 5



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Open cloze

ACTIVITY 22: Without looking at the original text on the previous page, fill each of the blank spaces with one suitable word. (Some blank spaces accept more than one alternative). Then check the correct answers.


The success rate up to 90% claimed for lie detectors is misleadingly attractive. If we refer a figure to a company with 500 employees, twenty of are thieves, the lie detector could catch 18 of them but in so would place 32 innocent employees suspicion. The problem for the management would therefore become of deciding much industrial unrest they prepared to cause in to eliminate theft. It seems surprising that a more effective way of using lie detectors has not into fashion. This method consists in the subject to read aloud statements about the crime question. Clearly, anyone who was not of the true facts would not any distinction between saying: 'The thief was a sports jacket' and 'The thief was dressed a blue suit'. a person who knew the true facts would be likely to register a reaction. or not he to disguise his reaction, the method would ensure that an innocent person could not be convicted in his place.



ACTIVITY 23: Choose the right connector in each sentence. You can use them only once. Then check the correct answers.

, an article I have just read may seem too far-fetched to be true. But some obvious exaggerations, it seems improbable in some modern armies where soldiers cannot be compelled to get their hair cut, for example. the soldiers see no harm , but what is really is whether they have a military mentality at all. In short, that people must like discipline they would not join the army . Of course say that soldiers can be just as effective with long hair as with short, but in fact it is necessary to supply them with hairnets, machinists in factories, to avoid the risk of accidents.


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