题目内容：

    A proverb is a short, well-known saying that expresses a common truth or belief. Proverbs are found in most cultures and are often very old. The phrase, "The early bird catches the worm, "may be true. It means people who wake up early get more done than people who don’t. 1.. He said," Early to bed early to rise makes a man healthy, wealthy, and wise."

Scientists have found that people who go to bed before 11 p.m. may do better in life than people who sleep around 2:30 a.m., which is also believed by a group of researchers. 2.. Their research showed that people who slept and got up early(early birds)had an average (平均) sleep over people who slept and woke up late at night (owls).There were differences in the brain function (功能) of early birds and night owls.

The scientists tested 38 people in their research. These persons answered questions about their sleeping habits and when they felt tired during the day. 3.. One is called early bird, the other is night owl depending on their answers.

All of the people had tests on their brains and did different tests throughout the day. The early birds said they felt less sleepy and were able to do the test more quickly than the night owls. 4.. They said, night owls go to sleep late, but during school time, they have to get up earlier, and they easily get tired in class. They always have to fight against their bad habits and natural rhythms (节奏).”

 

A. The researchers said there were big differences between the two groups.

B. Benjamin Franklin has many famous sayings.

C. The researchers are from Birmingham’s Centre for Human Brain Health in the UK.

D. Another saying is from earlier US President Benjamin Franklin.

E. They were then put into two groups.