题目内容：
回答(48)题 A．Manyadultsareinterestedinmatchingsoundswithletters.
B．Thestudentsalsopracticedreadingaloudandspelling.
C．Thebiggestchallengeformanyofthesekids,scientistssay,ismatchingsoundswithletters.
D．Anothergroupinthestudywhowentthroughamoretraditionalreadingprogramdidn'tshowthesameprogress.
E．Thepicturesshowedallincreaseinactivityinthebackofthebrainontheleftside.
F．Theybelievethatreadingwithoutmakinganynoiseorlinkingwordstosoundsismoreefficient.
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答案解析：