Researchers have found that REM (rapid e

admin2022-08-02 134

问题 Researchers have found that REM (rapid eye movement) sleep is important to human beings. This type of sleep generally occurs four or five times during one night of sleep lasting five minutes to forty minutes for each occurrence. The deeper a person's sleep becomes, the longer the periods of rapid eye movement.　　There are physical charges in the body to show that a person has changed from NREM (non-rapid eye movement) to REM sleep. Breathing becomes faster, the heart rate increases, and, as the name implies, the eyes begin to move quickly.　　Accompanying these physical changes in the body is a very important characteristic of REM sleep. It is during REM sleep that a person dreams.The word “deeper” in Paragraph 1 is closest in meaning to “____”.（　　）A． heavierB． biggerC． strongerD． quicker

选项 A． heavier
B． bigger
C． stronger
D． quicker

答案 A

解析文中的deeper指“人睡得深，睡得沉”，可以用heavier代替。

转载请注明原文地址:https://www.tihaiku.com/xueli/2673416.html

本试题收录于：英语专升本题库专升本成考分类

英语专升本

专升本成考

相关试题推荐

随机试题

最新回复(0)

Researchers have found that REM (rapid e

英语专升本

专升本成考

Researchersaretryingto________what'