______ can cause high blood pressure and hearing problems.
#41189
A
Air pollution
B
Water pollution
C
Light pollution
D
Noise pollution
推荐题目
—What do you think of tomorrow’s football match?—_____difficult for us_____ the match. 
#40863
A
We’re, to win
B
We’re, winning
C
It’s, to win
D
It’s, winning
             ,we’ll go for a picnic next week. 
#41098
A
If weather permit
B
Weather permitting
C
Weather permitted
D
Weather permission
We call the baby panda Xi Wang. Xi Wang in this sentence is________.    
#41257
A
Direct Object
B
Indirect Object
C
Object Complement
D
Attributive