根据“However, a leap day is not added every four years. That would lengthen the calendar by 44 minutes, say experts.”可知,闰日并不是每四年增加一次,每四年增加一次的话,会使日历延长44分钟,因此that指代的是“每四年增加一天”。故选A。5.主旨大意题。根据“Another main concern for leap day ...
2024 is a leap year. February 29 is known as the "leap day". But what is behind this special day?Everyone knows the earth takes 365 days to travel around the sun.Well, that is not exactly correct. The earth really takes 365 days, 5hours, 48 minutes and 46 seconds to complete its ...
"Eventually, in a few hundred years, July would actually take place in the cold winter months!" Why is Leap Day in February? It's because of ancient Roman history that Leap Day falls in February. "It's mostly that the Romans didn't really like February very much," Ben Gold, a ...
This year, 2024, is a leap year. February 29 is known as “leap day”. But what is behind this special day? Everyone knows the Earth takes 365 days to travel around the sun. Well, that is not exactly correct. The Earth really takes 365 days, five hours, forty-eight minutes and ...
And twenty-nine in each leap year. February has always been an odd month. Sorry February (but it's true). You only have 28 days. Except on a Leap Year. Every four years we slap an extra day on the end of February.. And, you guessed it, 2024 is a Leap Year. ...
The history behind leap years Julius Caesar, in 45 BC, is long credited for beginning the practice of adding an extra day to the calendar year. According to the Astronomy Program at Francis Marion University, Ceasar’s program worked well for hundreds of years, but those extra days added up...
( )59. It's 2024 this year. When is the next leap year?A. 2020.B. 2028.C. 2032.D. 2036( )60. It takes the earth___to go around the sun.A. a dayB. a yearC. half a yearD. more than a year( )61. Mary was born(出生) on February 29,2012. How many birthdays did she...
A leap year is a year that is one day longer than a regular calendar year. This happens almost every four years to ensure the calendar is aligned with Earth’s solar rotation. In 2024, February will have 29 days, rather than 28. ...
A leap year has 366 days, one more than the usual 365. According to the Gregorian calendar, which most countries use today, a leap year happens every four years. This extra day is February 29, a date that doesn't exist( 存在)in other years. Generally, any year that can be evenly ...
So 1700, 1800 and 1900 were not leap years, but 2000 was. This is related to the Y2K or Year 2000 problem, because many computer programs would have calculated the leap year incorrectly in the year 2000. When Is Leap Day? Leap day is February 29. It occurs approximately once every ...