Researchsayshaving a petdoghelps to reducechildren'sstress. A study by theCentersforDiseaseControlandPreventionshowsthatpetting a dog is a greaterway to helpstressedkidsthantreatingthemwithdrugs. Researcherslooked at 643youngchildrenover an 18-monthperiod.Theyfoundthatchildrenwhohave a petdogarelessstressedthanchildrenwithout a dog.Justtwelvepercent of childrenwithpetshadsigns of stress.This can be compared with 21 percent of childrenwith no dog.Thiswillnotsurpriseparents of childrenwhohave a dog.Theyknowdogsaregreatforhelpingchildren to develop.
Therearemanythingsabouttheresearchthatarestillunclear.Researchers do notknow if lessanxiouschildrenhavepetdogs, or if petdogsmakechildrenlessanxious.Theresearchjustshowed a linkbetweenpetdogsandchildren'sstress.Petdogshelpchildrenstartconversations.This is oftendifficultforchildrenandcancausethemstress. A petdogcan be a source of comfortforchildren.Thedogcanalso be a friend to a smallchild - thepet is told allhis or hersecretsandstories.Sometimes a petdog is so importantthatitsnamecan be thefirstwordthechildspeaks.
Answer the following questions:
Is the information TRUE, FALSE or NOT GIVEN?
Match the words and the translation.
Read about the Passive Voice and choose the proper form of the verb.
Fill in the gaps with "then" or "than".
Change the following sentences using the Passive Voice.