阅读理解。
Here are some signs beside the river．This sign means “No fishing”．This sign means “No swimming”．There are some signs at the entrance(入口)to a theater．This sign means “Don’t take drinks and food into the theater”．This also means “No drinking or eating”．That sign means “You can’t smoke in the theater”．That is another way of saying “No smoking”．
根据短文内容选择正确答案。
（1）This passage tells us__________．
A．we need more signs
B．different signs tell us different things
C．we can’t understand(理解)signs
D．signs tell us how to do things
（2）What does this sign on the right mean?
A．No parking．      
B．No eating．
C．No swimming．  
D．No fishing．
（3）What is another way of saying “No smoking”?
A．You can smoke here．     
B．You should smoke here．
C．You shouldn’t smoke here． 
D．You can smoke in the theater．
（4）What does a “No fishing” sign mean?
A．There is no fish here．     
B．You can go fishing there．
C．Don’t eat fish here．  
D．You can’t go fishing there．
（5）We shouldn’t ________ in the theater．
A．read．eat or drink      
B．smoke, eat or drink
C．drink，talk or sleep   
D．talk，smoke or drink