Choose the one word or phrase  that best completes the sentence or subtitutes for the underlined word or phrase. 
We'll be late unless we .................now.    
A.leave
B.don't leave   
C.had left  
D.have left

Which of the following is true about the ocean according to the passage?
A.A. It’s 100 times greater than land.                      
B.  B. It contains more species than land.
C.C. It contains a vast majority of life on Earth.      
D. D. It occupies on-third of the Earth’s surface.

What has recently been said about getting a massage?
A.A. It relaxes you.                                                    
B.  B. It makes you feel good.
C.C. It improves your physical condition.                  
D.D. It requires a special technique.

We had an accidental meeting with an old friend at the party last night.
A.unpleasant 
B.unexpected      
C.unlucky               
D.unacceptable

Some marine animals are dangerous to humans.
A.living in the mountain                                  
B.living in the ocean
C.living in the forest             
D.living in the house

We can conclude from this passage that ……………..                             
A.the sea resources have largely been used up.
B.the sea has not yet been fully exploited.
C.the problem that prevent us from using the food, minerals and energy sources of the sea have already been solved.
D.by the year 2020 the technology will be good enough to exploit all the sea resources.

(38)..................
A.look down on
B.come across 
C.run after 
D.go by

Could (A) you tell me when does (B) the next train leaves (C) and where to buy (D) tickets?
A.Could
B.does
C.leaves
D.to buy

Whales and sharks are carnivores, ....................... means they eat meat.
A.this      
B.that  
C.it      
D.which

A.maintain      
B.marine 
C.challenge   
D.device