HowoftencanwehaveaLeapYear?A.EveryyearB.EveryFebruaryC.EveryfouryearsD.Everytwoyears 相关知识点: 试题来源: 解析 C 闰年的设置是为了弥补地球公转周期与日历年之间的时间差。根据格里高利历规则,闰年的判断标准有三个层次: 1. **能被4整除但不能被100整除的年份是闰年**(例如2004年、2020年); 2. **...
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 d...
How many leap years have there been?Leap Year:A leap year is a year with an extra calendar day on it. The extra day falls on February 29th. The leap year is part of the Gregorian calendar and is an attempt to help keep calendar years in synchronization with solar years because a ...
How many days are there in aleap-year5个回答 多少天都没有在aleap年2013-05-23 12:21:38 回答:匿名 怎么许多几天是那里在aleap年2013-05-23 12:23:18 回答:匿名 怎么 许多 几天 是 那里 在 aleap年 2013-05-23 12:24:58 回答:匿名在aleap 年有多少天 2013-05-23 12:26:38 回答:匿名怎样...
百度文库 其他 How many days are there in a leap year?How many days are there in a leap year? A. 365 B. 366 C. 360 D. 364 答案: b) 366©2022 Baidu |由 百度智能云 提供计算服务 | 使用百度前必读 | 文库协议 | 网站地图 | 百度营销 ...
How many days are there in February during a leap year?A. 28B. 29C. 30D. 31Answer:B 相关知识点: 试题来源: 解析 B 闰年的判定规则是:能被4整除但不能被100整除,或者能被400整除的年份为闰年。在闰年中,2月份的天数从平年的28天增加到29天。因此,选项中:- A. 28天为平年2月的天数,错误;- ...
( )14. How many days are there in February in a leap year? A. 28. B. 29. C. 30. D. 31. 相关知识点: 试题来源: 解析 【】B【核心短语/词汇】a leap year【翻译】闰年的二月有多少天?由题干中 in a leap year(闰年)可知,在中国,闰年二月有29天,所以选择B。 反馈 收藏 ...
1 common year =365 days =(365 days) / (7 days/week) =52.142857 weeks =52 weeks + 1 dayWeeks in a leap yearOne Gregorian calendar leap year occures every 4 years, except for years that are divisible by 100 and not divisible by 400....
How many turn does the Earth make in a leap year?怎么回答 英语作业帮用户2017-11-03 举报 用这款APP,检查作业高效又准确!扫二维码下载作业帮 拍照搜题,秒出答案,一键查看所有搜题记录 优质解答 闰年一年里 地球转了几圈.就是问闰年有多少天.366 作业帮用户 2017-11-03 举报 ...
It was purely solar and counted a year at 365.25 days, so once every four years an extra day was added. Before that, the Romans counted a year at 355 days, at least for a time. But still, under Julius, there was drift. There were too many leap years! The solar year isn’t ...