問題詳情

四、閱讀測驗【請依照段落上下文意，選出最適當的答案】第一篇：Sleep is an important part of your daily routine—you spend about one-third of your time doing it. Quality sleep–andgetting enough of it at the right times—is as essential to survival as food and water. Without sleep you can’t form ormaintain the pathways in your brain that let you learn and create new memories, and it’s harder to concentrate and respondquickly.Sleep is important to a number of brain functions, including how nerve cells (neurons) communicate with each other.In fact, your brain and body stay remarkably active while you sleep. Recent findings suggest that sleep plays ahousekeeping role that removes toxins in your brain that build up while you are awake.Everyone needs sleep, but its biological purpose remains a mystery. Sleep affects almost every type of tissue andsystem in the body—from the brain, heart, and lungs to metabolism, immune function, mood, and diseaseresistance. Research shows that a chronic lack of sleep, or getting poor quality sleep, increases the risk of disordersincluding high blood pressure, cardiovascular disease, diabetes, depression, and obesity.Sleep is a complex and dynamic process that affects how you function in ways scientists are now beginning tounderstand.
51. What is the main idea of the passage?
(A) Sleep is very important to our health.
(B)Sleep is very important to our brain.
(C) Sleep is a very complicated process.
(D)Sleep is extremely hard to understand.

參考答案

答案：A
難度：適中0.473684
統計：A(9),B(5),C(4),D(1),E(0)

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