小数部分的位数是无限的小数叫做______．
小数部分的位数是无限的小数叫做（无限小数）．
故答案为：无限小数．
不合法的表达式是( )。
A．[性别]=“男”or[性别]=女
B．[性别]=“男”or[性别]like“女”
C．[性别]like“男”or[性别]like“女”
D．[性别]=“男”or[性别]=“女”
用括号内所给单词的适当形式填空。
1. Thursday is the ____ (five)day of the week.
2. These sports shoes are (you). Please put them in your lockers.
3. Can you remember all these _____ (dance) names.
4. This skirt is too _____ (cheap). I don't take it.
5. Mr. Green usually _____ (dress) himself up in a red coat at Christmas.
