计算:(﹣2010)0+|﹣1|=( ).
2
连词成句。
1. How many, do, picture-books, you, have (?)
2. How many, can, English books, you, see (?)
3. English book, your, Put, on, head, your (.)
4. have, I, schoolbag, new, a (. )
5. is, it, What colour (?)
0.9mm芯径纸绝缘电缆芯线接续套管内径为()mm。
A.4.6
B.5.0
C.5.2
D.6.0