什么是最佳运动时间，一起来看看吧！
It is the perfect excuse to have a lie in. Research shows that first thing in the morning is not the best time to exercise. The British study found that whether someone is a lark or an owl, their performance doesn’t peak until noon. In other words, rather than the alarm clock for 6 a.m. and dragging yourself out for a jog before work, sleep in and go for a run later in the day.
The University of Birmingham researchers put 20 professional athletes, including several England players, through a fitness test six times between 7 a.m. and 10 p.m. They also asked the men and women to fill in a detailed questionnaire, designed to work out if they were larks, who thrive on early starts, night owls, who love sitting up to the wee small hours.
They found that the larks did best on the test around noon. Night owls peaked just before 8 p.m. Timing was particularly important for night owls, who did 26 per cent worse if forced to exercise first in the morning.
Birmingham University researcher Roland Brandstaetter said the results show the importance of listening to our body clock, rather than the clock on the wall. He said: “The body clock has such a big effect because every cell in the body has a clock. There are clocks in the brain and also in the organs, in the heart, in the liver, everything, and your physiology is controlled by these clocks.” He added that larks are energetic within about half an hour of getting up, however, it might be five or six hours before a night owl stops feeling sleepy.
The results are related to athletes, where even a one- per-cent difference in performance can make the difference between winning gold and being loser. Football manager, Dr Brandstaetter, said they might get better results if they fielded night owls for Champions League matches which can start as late as 9 p.m.
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1.Who did the writer refer to by “someone is a lark”?
A The person who often exercises .
B The person who needs excuse.
C The person who gets up early.
D The person who doesn’t sleep.
解析：选C。C。短语指代题。根据第二段第二句的designed to work out if they were larks, who thrive on early starts可以得知，活动设计是想让他们知道自己是否是“云雀”，因此someone is lark指代的是那些起床很早的人。
2.From the last paragraph, we can infer _____.
A the night owls do better in the morning
B the manager prefers to be the winner
C the time of match affects the results
D the loser always gets up very early
解析：选C。C。推理判断题。从文章第五段第二句的they might get better results if they fielded night owls for Champions League matches可以得知，如果那些夜猫子在晚些时候比赛，比赛结果就会有改变，因此比赛的时间影响比赛结果。
3.How to tell whether one is a lark or an owl?
A The time it takes one to feel fully awake.
B The physiology one needs to feel about.
C The feeling one gets from the sleeping.
D The energy one receives from sports.
解析：选A。A。细节理解题。根据第四段第四句的larks are energetic within about half an hour of getting up, however, it might be five or six hours可知要想知道一个人是什么类型，取决于其恢复到精力充沛时所需要的时间。
4.What should the athletes taking part in the research do?
A They should design to work.
B They should fill in a form.
C They should get up early.
D They should sit up late.
解析：选B。B。细节理解题。根据文章第二段第二句的They also asked the men and women to fill in a detailed questionnaire可知这些参加实验的人要填一个问卷表。
5.When one peaks is decided by _______.
A the character
B the clock on the way
C the idea in the heart
D the body clock
解析：选D。D。细节理解题。根据第四段第一句的Roland Brandstaetter said the results show the importance of listening to our body clock可知是人体内部的生物钟决定了人的最佳表现时间。