根据上文February29isknownas"leapday".(2月29日被称为"闰日"。)结合首字母可知,这是一个特殊的日子。special特殊的,形容词修饰名词day(日子)。故填special。(2)考查动词。句意:每个人都知道地球绕太阳公转365天。根据句意和语境及结合首字母可知,地球绕太阳公转365天。travel旅行,一般现在时,主语是第三人称...
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 forty...
However, the Gregoriancalendar has only 365 days in a year. If we didn't add a leap day on February 29 almost every four years, each calendar year would begin about 6 hours earlier in relation to Earth's revolution around the Sun (see illustration). As a consequence, our time reckoningw...
Simply put, aleap yearis a year with an extra day—February 29—added nearly every four years to the calendar year. Why Are Leap Years Necessary? Adding an extra day every four years keeps our calendar aligned correctly with theastronomical seasons, since a year according to the Gregorian ca...
The year 2024 is a leap year, which means it will have 366 days. It is different from the typical (平常的) number of 365 days in a year. The extra day, called leap day, will be February 29. Leap years happen every four years (with some exceptions) and get their name from the id...
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 ...
So, every 400 years the turn of the century is a leap year.可知,2000年,千禧年,是闰年。这是因为在四百多年的时间里,我们只需要移动三天。所以,每400年世纪之交就是闰年。由可知,上次闰年是2000年,每四百年会出现一次闰年,所以下一次闰年会出现在2400年。故选D。【小题4】主旨大意题。阅读文章内容,并...
A.Add a leap day every four years. B.Have an extra day on the calendar. C.Each calendar year is 44 minutes than usual. D.The Earth takes more than 365 days to travel around the sun. 5. What is the main idea of the last paragraph?
Is Halloween on the same day every year? Though the day of the week it falls on changes every year, Halloween itself always falls on October 31. Since 2024 is a leap year, Halloween was pushed out an extra day. And that's great because next year, in 2025, Halloween is on a Friday...
This year is a leap year. Leap years are years with 366 days instead of the usual 365. Leap years are necessary because the actual length of a year is 365.242 days not 365 days as commonly stated. Basically leap years come every 4 years and most years that can be evenly(平均地) divid...