A
Read the instructions of the pain reliever pills carefully and answer the questions.
    
        
            | Medicine A | Medicine B | 
        
            | Active ingredient (in each tablet) 325 mg | Purpose  Pain reliever | Active ingredient (in each capsule) 500 mg | Purpose  Pain reliever | 
        
            | Uses  provides temporary relief of ■headache ■pain of colds ■toothache ■muscle pain ■minor pain in the body’s joints | Uses ■temporarily relieves minor aches and pains due to   headache,muscular aches,the common cold,toothache,minor pain in the body’s joints | 
        
            | Warnings Alcohol warning: If you consume 3 or more alcoholic   drinks every day,ask your doctor whether you should take aspirin or other   pain relievers. Stop use and ask a doctor if ■ pain lasts more than 10 days ■ new symptoms occur ■ a redness or swelling is present ■ loss of hearing occurs ■ you are pregnant or breastfeeding | Warnings Alcohol warning: If you consume 3 or more alcoholic   drinks every day,ask a health professional before use.This product may cause liver damage. Overdose warning: Taking more than the recommended   dose (overdose) may cause liver damage. Pregnancy/Breastfeeding warning: Taking this product during late pregnancy may cause   bleeding in the mother or the baby during delivery. | 
        
        
            |  |  |  |  | 
        
    
 
 
 
续 表  
    
        
            | Medicine A | Medicine B | 
        
            | Directions ■ adults: 1 to 2 tablets with water.Dosage may be repeated every 4 hours,not to exceed   12 tablets in 24 hours. ■ children under 12: consult a doctor and use with   caution. | Directions ■adults and children 12 years and over: take 2   capsules every 4 to 6 hours as needed.Do not take more than 8 capsules in 24 hours. ■children under 12 years: not recommended. | 
        
            | Other information ■   store at 25 ℃   (77 ℉) ■ avoid high humidity | Other in formation ■ store at 20-25 ℃ (68-77℉) or in a cool place | 
    
 
 
21.Which medicine may hurt liver according to the instructions?
                
A.Medicine A.          B.Medicine B.
C.Both medicine.       D.Neither medicine.
22.These two medicines are most suitable for    . 
A.a little child who has a common cold
B.an adult who has sleeping problems
C.a teenager who slightly sprains his ankle
D.a pregnant woman who has toothache
23.Which of the following can NOT be found in the instructions?
A.Storage conditions.
B.Specific ingredients.
C.Acceptable daily intake.
D.Advice for the pregnant.