原式=[（1-2）（1+2）]2010=（-1）2010=1．
故答案为：1．
读句子，判断对错。
( ) 1. He is cleaning his room.
( ) 2. She is cooking.
( ) 3. She is walking in a park.
抑制细菌二氢叶酸还原酶的抗菌药物是
A．磺胺类
B．呋喃唑酮
C．庆大霉素
D．甲氧苄氨嘧啶
E．以上都不是
He is cleaning his room. 
She is cooking.
She is walking in a park.