1·Match the lowercase letter exactly once by typing 1.
键入1，以指定仅匹配小写字母一次。
2·Assignment activities used for setup begin with a lowercase letter.
用于设置的分配活动则以小写字母开头。
3·Indicate each footnote in a table a superscript lowercase letter.
每一个脚注中注明位子上标小写字母。
4·Method, field, and local variable names begin with a lowercase letter, as in read .
方法、字段和本地变量名以小写字母开头，如read 。
5·Variable 'underscore and the name of variable starting with a lowercase letter.
底线和以小写字母开始的变数名称。
6·Attribute names start with a lowercase letter, while element and type names start with an uppercase letter.
属性名以小写字母打头，而元素和类型名称以大写字母打头。
7·Using the lowercase letter in general should be avoided, because it is easily mistaken for the number 1.
一般情况下，我们应该避免使用小写字母，因为它很容易被误当作数字1。
8·Run the rtdriver application (the -l flag passed to the following command is the lowercase letter l, not the digit 1)
运行 rtdriver 应用程序（传递给下面的命令的 -l 标记是小写字母 l，不是数字 1）
9·In particular, variable names should begin with a lowercase letter; class names should begin with an uppercase letter.
具体来说，变量名字应当以小写字母开头；类名以大些字母开头。
10·If the entered letter is not lowercase, display the message the character just entered is not a lowercase letter.
如果输入的字母是不小写，显示消息刚进入角色并不是一个小写字母。