A:﹣23和(﹣2)3
B:32和23
C:﹣32和(﹣3)2
D:﹣(3×2)2和﹣3×22
⑴I'm hungry.____ A. She's running.
⑵What are you doing?____ B. He's making noodles.
⑶What are they doing?____ C. I'm hungry, too.
⑷What is she doing?____ D. They are rowing a boat.
⑸What is Sam doing?____ E. I'm reading a book.
She didn't wear it.____
我国某地新农村建设发展迅速,如图所示,十年来,在生态环境,经济等方面发生了可喜的变化.读图,完成下列问题.
十年前 现在