英語四級(jí)完型填空練習(xí)
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 __1__ you to be in your lightest phase of sleep __2__ rousing you. Its makers say that should __3__ you wake up feeling refreshed every morning.
As you sleep you pass __4__ a sequence of sleep states―light sleep, deep sleep and REM sleep―that __5__ approximately every 90 minutes. The point in that cycle at which you wake can __6__ how you feel later, and may __7__ have a greater impact than how much or little you have slept. Being roused during a light phase __8__ you are more likely to wake up energetic.
SleepSmart __9__ the distinct pattern of brain waves __10__ during each phase of sleep, via a headband equipped __11__ electrodes and a microprocessor. This measures the electrical activity of the wearers brain, in much the __12__ way as some machines used for medical and research __13__, and communicates wirelessly with a clock unit near the bed. You __14__ the clock with the latest time at __15__ you want to be wakened, and it __16__ duly wakes you during the last light sleep phase before that.
【英語四級(jí)完型填空練習(xí)】相關(guān)文章：
職稱英語完型填空真題練習(xí)01-01
職稱英語考試完型填空試題練習(xí)01-03
成人高考專升本英語完型填空練習(xí)03-18
中考英語完型填空技巧06-12
2018考研英語完型填空專項(xiàng)練習(xí)題10-10
考研英語完型填空練習(xí)題（帶答案）10-02