—Where is Sun Rise Supermarket?    

— _______.   [ ]

A. It’s opposite the museum        

B. We can buy something in it.

C. It is very big and popular.      

D. I often buy food there

对于有气体参加的反应，当其它条件不变时，增大压强时，反应速率（）。

A.增大

B.减小

C.不变

D.无法确定