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But a new study suggests that constant instant messaging (IM’ing) and texting among teens may also provide benefits, particularly for those who are（ ）. A:reverted B:introverted C:reversed D:controverted 答案: introverted下面不是对主题提问的问题是__。( )Emailing the neuroscientist and memory researcher Jim McGaugh one day, she （ ） that she could recall every day of her life since the age of 12. A:claimed B:reclaimed C:proclaimed D:exclaimed 答案: claimedA:What is the main idea of …? B:What can you infer from…? C:What is the passage mainly about? D:What is the speaker talking about? 答案: What can you infer from…?
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