10 questions from RPS 2024. Real examination questions for PSLE 2027/2028 preparation.
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From the list of words given, choose the most suitable word for each blank and write its letter in the blank.
It is common to see detectives use lie detectors when interrogating suspects on television or in the movies. Did you know (1) the earliest lie detector, the polygraphs machine, was invented in 1902 by James Mackenzie? It was not (2) 1921 that John Larson, a medical student, invented the modern lie detector. (3) 1924. The lie detector has been used widely in police investigations.
(4) a person lies, the act of lying causes a certain amount of stress on the body that results in physical changes. A series of different sensors (5) first attached to the body. As the polygraph measures changes (6) breathing and blood pressure, the data is recorded.
During a lie detector test, the operator will ask a series of control questions that determines the pattern of how (7) individual responds when giving true or false answers. The actual questions are then asked, along (8) other irrelevant questions. The test lasts for about two hours during which the experts interpret the data obtained.
Despite its extensive uses, the lie detector remains controversial (9) psychologists. This is because it has been suggested that facial expressions and body language (10) be better ways of determining if someone is lying or telling the truth. This is why forensic evidence is still important in finding out if someone is guilty of a crime.
Adapted from britannica.com