- A.style
 - B.collocation
 - C.emotive meaning
 - D.regions where they are used
 
- A.what
 - B.which
 - C.that
 - D.as
 
- A.Criterion-referenced
 - B.Norm-referenced
 - C.Formative
 - D.Summative
 
- A.to overcome
 - B.overcoming
 - C.overcome
 - D.overcame
 
- A.People should keep exercising.
 - B.Exercising may not reduce the harm of sitting.
 - C.Sitting for long time is deadly.
 - D.How to eliminate the harm of sitting.
 
- A.Exercising can"t help reduce the harm caused by sitting.
 - B.The harm depends on the prolonged time sitting at a desk.
 - C.Exercising is not necessary for people.
 - D.Exercising has no advantages for people who often sit.
 
- A.To interrupt sitting as often as possible is good for people"s health.
 - B.Sitting for long time can hardly be avoided.
 - C.Keep exercising can eliminate the harm of sitting.
 - D.Office workers don"t like to exercise.
 
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