What is best title for this passage?
A.The food you eat can affect your health     
B.Harmful and Harmless substances in food
C.Avoiding injurious substances in food      
D.Improving health through a Natural Diet

Linoleic fatty acid is mentioned in the passage as                          .
A.an essential nutrient for humans    
B.more useful than arachidonic acid
C.preventing weight gain in rats           
D.a nutrient found in most food

The word "they" in bold refers to _________ .
A.genes
B.animals      
C.achievements  
D.numbers

The word “they” in paragraph 1 refers to                      .
A.dollars                     
B.euros                       
C.things                      
D.bitcoins

The word "accounts" is closest in meaning to __________ .
A.deceptions  
B.reports   
C. invoices   
D.reasons

In line 2, the word “potential” could best be replaced by which of the following?
A.possible                             
B.harmful                    
C.primary                   
D.unknown

The word "surreptitiously" in bold is closest in meaning to ___________ .
A.stubbornly 
B. secretly     
C.quickly        
D. occasionally

IV. Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
Those students who fail the National High School Exams may want to retake them the following year.
A.pass                        
B.fall                          
C.sit                            
D.take

II. Mark the letter A, B, C, or D to indicate the word that dfffers from the other three in the position of the primary stress in each of the following questions.

A.compulsory             
B.voluntary               
C.initiative                  
D.investigate

I. Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

A.graduate                  
B.mandatory               
C.explode                   
D.persuade