|
| | | 1 | 2 | 3 | 4 | 5 | | 6 | 7 | 8 | 9 | 10 | 11 | 12 | | 13 | 14 | 15 | 16 | 17 | 18 | 19 | | 20 | 21 | 22 | 23 | 24 | 25 | 26 | | 27 | 28 | 29 | 30 | 31 | | | |
|
|
素数是什么？概念~
整数和全体整数的区别？有一道题是这样的：Z={全体整数}对还是不对？全体整数组成的集合称为整数集，记作：Z={0，.......}但这道题的答案是不正确，应写成Z={整数}
Listen to----------sister!答案为her and her对吗？我觉得应该是she and her
keep adj.为状态keep doing sth.为什么？keep on doing sth.是保持连续不断的做某事We kept the windows--------in our classroom.答案是 open(adj.)那么opening不行吗？The window is open .窗户是开着的。 We keep it.open。我们让它开着。 .[ 本帖最后由 naroad 于 2008-6-23 ...
感叹词的应用用于不可数名词时------bad weather!Idon't want to go out.
|
|
