Part V Cloze (15 minutes) Directions: There are 20 blanks in the following passage. For each blank there are four choices marked A), B), C) and D) on the right side of the paper. You should choose the ONE that best fits into the passage. Then mark the corresponding letter on Answer Sheet 2 with a single line through the centre. Do you wake up every day feeling too tired, or even upset? If so, then a new alarm clock could be just for you. The clock, called SleepSmart, measures your sleep cycle, and waits __67__ you to be in your lightest phase of sleep __68__ rousing you. Its makers say that should __69__ you wake up feeling refreshed every morning. As you sleep you pass __70__ a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that __71__ approximately every 90 minutes. The point in that cycle at which you wake can __72__ how you feel later, and may __73__ have a greater impact than how much or little you have slept. Being roused during a light phase __74__ you are more likely to wake up energetic. SleepSmart __75__ the distinct pattern of brain waves __76__ during each phase of sleep, via a headband equipped __77__ electrodes (电极) and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the __78__ way as some machines used for medical and research __79__, and communicates wirelessly with a clock unit near the bed. You __80__ the clock with the latest time at __81__ you want to be wakened, and it __82__ duly (适时地) wakes you during the last light sleep phase before that. The __83__ was invented by a group of students at Brown University in Rhode Island __84__ a friend complained of waking up tired and performing poorly on a test. “__85__ sleep-deprived people ourselves, we started thinking of __86__ to do about it,” says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea. 67. 67. A) beside B) near C) for D) around