A：（﹣3，0）∪（1，+∞）
B：（﹣3，0）∪（0，3）
C：（﹣∞，﹣3）∪（3，+∞）
D：（﹣3，0）∪（1，3）
① old____ ② short____ ③ young____
④ small____⑤ big____ ⑥ thin____
A
⑴Who are they? ____
⑵Where did you live?____
⑶Is this your grandpa?____
⑷Did he learn Chinese ?____
⑸What's he doing?____
B
A.Yes, it is.
B.They are my grandparents.
C.He's reading a book.
D.No,he didn't.
E.I lived in a small house.
计算：（π-5）0+4+（﹣1）2015﹣3tan60°．
