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OnFebruary29,BillySmithwillcelebratehis15thbirthday.Hewillbe60yearsold.Howisthispossible?BillywasbornonFebruary29,or"LeapDay"Leapdayonlyhappenson"leapyear",whichcomeonceeveryfouryears.S
题目详情
On February 29,Billy Smith will celebrate his 15th birthday.He will be 60years old.
How is this possible?Billy was born on February 29,or"Leap Day"Leap day only happens on"leap year",which come once every four years.So Billy has been alive since 1952,he has only had 14birthdays.
What is Leap Day?It is a way of making our calendar more accurate,in most years,February has 28days,and the whole year has 365.The problem is that the earth takes a little more than 365days to go around the sun-about six hours more,or one fourth of one day.So to make up for this difference,every four years an extra day is added to February:February 29.Billy's birthday.
So what is it like being born on Leap Day?"I‘ve always liked having my birthday on the 29th,"says Billy."It's always been very special."But doesn't he mind only having his birthday once every four years?"Not at all,"he says.I like to think it helps keeping me young.
41.Billy Smith has celebrated___ birthdays
A.15 B. 14 C. 60 D.29
42.which one is NOT TRUE according to the text?___
A.The earth takes 365days to go around the sun.
B.The earth take 365days and six hours to go around the sun.
C.The earth takes 365days and one fourth of a day to go around the sun.
D.The earth takes 365.25days to go around the sun.
43.How often can Billy Smith have his birthday(February 29)?___
A.Every fifteen years B.Every four years
C.Every year D.Every other year
44.Which year is the"Leap year"in the following?___
A.2013 B.2014 C.2015 D.2016
45.Why doesn't Billy mind his birthday on February 29?___
A.Because he likes his birthday
B.Because he has no choice.
C.Because he likes to think it helps keep him young.
D.Because it can make him young forever.
How is this possible?Billy was born on February 29,or"Leap Day"Leap day only happens on"leap year",which come once every four years.So Billy has been alive since 1952,he has only had 14birthdays.
What is Leap Day?It is a way of making our calendar more accurate,in most years,February has 28days,and the whole year has 365.The problem is that the earth takes a little more than 365days to go around the sun-about six hours more,or one fourth of one day.So to make up for this difference,every four years an extra day is added to February:February 29.Billy's birthday.
So what is it like being born on Leap Day?"I‘ve always liked having my birthday on the 29th,"says Billy."It's always been very special."But doesn't he mind only having his birthday once every four years?"Not at all,"he says.I like to think it helps keeping me young.
41.Billy Smith has celebrated___ birthdays
A.15 B. 14 C. 60 D.29
42.which one is NOT TRUE according to the text?___
A.The earth takes 365days to go around the sun.
B.The earth take 365days and six hours to go around the sun.
C.The earth takes 365days and one fourth of a day to go around the sun.
D.The earth takes 365.25days to go around the sun.
43.How often can Billy Smith have his birthday(February 29)?___
A.Every fifteen years B.Every four years
C.Every year D.Every other year
44.Which year is the"Leap year"in the following?___
A.2013 B.2014 C.2015 D.2016
45.Why doesn't Billy mind his birthday on February 29?___
A.Because he likes his birthday
B.Because he has no choice.
C.Because he likes to think it helps keep him young.
D.Because it can make him young forever.
▼优质解答
答案和解析
41.B 细节理解题 根据"So Billy has been alive since 1952,he has only had 14 birthdays."可知,他已经过了14个生日,故答案为B
42.A 细节理解题 根据"The problem is that the earth takes a little more than 365days to go around the sun-about six hours more,or one fourth of one day"可知,地球绕太阳一周需要365天零大约六小时或者四分之一天,故A选项错误,答案为A
43.B 推理判断题 根据"So to make up for this difference,every four years an extra day is added to February:February 29."可知,每四年二月才会多出来一个闰日,所以他只能四年过一次生日,答案为B
44.D 推理判断题 根据"So to make up for this difference,every four years an extra day is added to February"可知,闰年的年份应该是4的倍数,选项中只有2016是4的倍数,故答案为D
45.C 细节理解题 根据"I like to think it helps keeping me young"可知,他一点儿也不在意过生日这件事情,是因为他认为不过生日能让他觉得自己保持年轻.故答案为C
42.A 细节理解题 根据"The problem is that the earth takes a little more than 365days to go around the sun-about six hours more,or one fourth of one day"可知,地球绕太阳一周需要365天零大约六小时或者四分之一天,故A选项错误,答案为A
43.B 推理判断题 根据"So to make up for this difference,every four years an extra day is added to February:February 29."可知,每四年二月才会多出来一个闰日,所以他只能四年过一次生日,答案为B
44.D 推理判断题 根据"So to make up for this difference,every four years an extra day is added to February"可知,闰年的年份应该是4的倍数,选项中只有2016是4的倍数,故答案为D
45.C 细节理解题 根据"I like to think it helps keeping me young"可知,他一点儿也不在意过生日这件事情,是因为他认为不过生日能让他觉得自己保持年轻.故答案为C
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