With which of the following statements would the author be most likely to agree?
A.The focus of medical research will change in the next two decades.
B.Medical breakthroughs often depend on luck.
C.Medical research throughout the twentieth century has been dominated by microbe hunters.
D.Most diseases are caused by defective genes.

Which of the following best describes the authors tone in the last paragraph?
A.Critical
B.Speculative
C.Appreciative
D.Emotional

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
When Tet holiday comes, Vietnamese people often feel inclined to ________ their houses.  
A.do up                
B.do in
C.do through 
D.do over

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
My director is angry with me . I didn't do all the work I ____________last week
A.should have done                                            
B.may have done
C.need to  have done
D.must have done

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
She ran ________ an interesting article about fashion while she was reading the newspaper.
A.after              
B.cross
C.away
D.out

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
Peter was ejected after committing five personal _________ in water sport game yesterday.
A.mistakes                   
B.faults
C.fouls
D.errors

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
He managed to keep his job_________the manager had threatened to sack him
A.therefore           
B.although
C.unless
D.despite

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
- Kate: “ How lovely your cats are!”                - David: “ ____________”
A.Really? They are                                          
B. Thank you, it is nice of you to say so            
C.Can you say it again  
D.I love them, too

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
__________is the existence of a large number of different kinds of animals and plants which make a balanced environment
A.extinction                  . 
B.biodiversity
C.habitat
D.conservation

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
Our project was successful ________ its practicality
A.in terms of                 
B.with a view to 
C. regardless     
D.on behalf of