袋子里红球与白球数量之比为19:13。放入若干只红球后，红球与白球数量之比是5: 3

短文改错

Leshan is a famous city which has long history.                     Lain in the southwest of China, it is a cultural city of            Sichuan Province,also it was famous for Leshan Great Buddha.         It said that the Buddha was built over 1000 years ago and           it had changed a lot since then.  There are a large number          of famous cultural sites but delicious snacks here, which           have always been attraction to tourists from around the             world.  Tourists go not only to see the historically sites and      to taste the snacks, but also because that it has beautiful         scenery. Walk along the sides of the beautiful rivers              will offer a feast for anyone's eyes.                               1__________                   2__________         3__________              4__________             5__________                                         6__________            7__________                8__________            9__________         10__________

中心地理论是德国地理学家( )提出的。

A．麦德华·L·乌尔姆

B．哈格斯特朗

C．克里斯泰勒

D．海格特

       she is not so healthy           she used to be?

A．How it is that; as

B．Why is it that; as

C．Is it why; that

D．How is it that; what

用一根长为1 m的轻质细绳将一幅质量为1 kg的画框对称悬挂在墙壁上，已知绳能承受的最大张力为10 N，为使绳不断裂，画框上两个挂钉的间距最大为（g取10 m／s²）

[ ]

A.

B.

C.

D.

请根据网页显示的效果图和网页中的元素说明完成HTML文本中 ______处的内容。

说明

序号	类型	说明
1	图片链接	链接在新窗口中打开，目标地址：register.html,图像名称：mickey.jpg,高度：150,宽度：100，替换广西：注册Mickey邮箱，图像无边框
2	表单	名字：login,处理程序：cgi-bin/login
3	选择字段	包括两个选项：mail.mickey.com.cn和mail.mickey.com,其中mail.nickey.com.cn为默认选项
4	密码框	名字：PWD,宽度：12，最大允许长度：16
5	提交按钮	名字：SM

【源代码】
＜html＞
＜head＞
(1)
＜meta http-equiv=Content-Type content="text/html; charset=gb2312"＞
＜/head＞
＜body＞
(2)
＜p＞ 欢迎使用 Mickey 邮箱＜/p＞
(3)
＜b＞用户名: ＜/b＞＜input size=12 name=UserName ＞ @
＜SELECT name=domain＞
(4)
＜/selecy＞
＜br＞＜br＞
(5)
＜br＞＜br＞
(6)
＜br＞＜br＞想拥有Mickey 邮箱吗请点击顶部图片进行注册
＜/form＞
＜/body＞
＜/html＞