We are all different.Some people need only three hours of sleep a night.Others need ten hours of sleep a night.Most Americans sleep an average( 平均 ) of seven to eight hours a night.After the age of fifty,the average sleep time goes down to 6.5hours a day.Most people have a night...
Some people need only three hours of sleep a night. Others need ten hours of sleep a night. Most Americans sleep an average(平均)of seven to eight hours a night. After the age of fifty, the average sleep time goes down to 6.5 hours a day. Most people have a night when they cannot...
8.How much sleep do we need?We are all different.Some people need only three hours of sleep a night.Others need ten hours of sleep a night.Most Americans sleep an average (平均) of seven to eight hours a night.After the age of fifty,the average sleeping time goes down to 6.5hours ...
How much sleep do we need? We are all different. Some people need only three hours of sleep a night. Others need ten hours of sleep a night. Most Americans sleep an average (平均) of seven to eight hours a night. After the age of fifty, the average sleeping time goes down to 6.5...
How much sleep do we need? We are all different. Some people need only three hours of sleep a night. Others need ten hours of sleep a night. Most Americans sleep an average (平均值) of seven to eight hours a night. After the age of fifty, the average sleep time goes down to 6.5...
How much sleep do we need? We are all different. Some people need only three hours of sleep a night. Others need ten hours of sleep a night. Most Americans sleep an average(平均) of seven to eight hours a night. After the age of fifty, the average sleeping time goes down to 6.5 ...
How much sleep do we need? We are all different. Some people need only three hours of sleep a night. Others need ten hours of sleep a night. Most Americans sleep an average (均) of seven to eight hours a night. After the age of fifty, the average sleeping time goes down to 6.5 ...
three hours of sleep a night. Others need ten hours of sleep a night. Most Americans sleep an average of seven to eight hours a night. After age fifty, the average sleep time goes down t0 6. 5 hours a night. Most people have a bad night when they cannot fall asleep. The name ...
How much sleep do we need? We are all different. Some people need only three hours of sleep a night. Others need ten hours of sleep a night. Most Americans sleep an average(平均) of seven to eight hours a night. After the age of fifty, the average sleeping time goes down t0 6.5 ...
小题2:通过After the age of fifty the average sleep time goes down to 6.5 hours a night.“五十岁以后的平均睡眠时间降到每晚6.5小时。”一句可知，随着年龄的增长，睡眠的时间在变少。所以本题选B。小题3:通过前一句Many of these people can not fall sleep“这些中的许多人不能入睡”...