①不断推动社会实践的发展 ②消除民族文化差异
③促进民族文化的繁荣 ④继承各种传统文化
A:①②
B:③④
C:①③
D:②④
把多项式(3a-4b)(7a-8b)+(11a-12b)(8b-7a)分解因式的结果是( )
⑴Doing more exercise is good for health. ____
⑵I feel cold. I need to wear warm clothes. ____
⑶You should see a doctor when you are ill. ____
⑷If you are angry, you'd better take a deep breath and count to ten. ____
A.
B.
C.
D.
—Look! There are two policemen.
—Yeah. They're walking us.