语篇解读:本文是一篇说明文,介绍了青春期的男孩儿和女孩儿声音发生变化的原因。
1.What's the text mainly about?
A.Funny noises.
B.Vocal cords.
C.Voice changes.
D.The Adam's apple.
解析:主旨大意题。本文旨在说明青春期的男孩儿和女孩儿声音为什么发生变化,如何变化,以及如何看待这个现象。故选C项。
答案:C
2.An adult's voice is lower than a child's because the adult ________.
A.doesn't reach his puberty
B.has longer and thicker vocal cords
C.is going through his puberty
D.has something wrong with his throat
解析:推理判断题。根据第四段中的“which causes his larynx to grow and his vocal cords(声带) to get longer and thicker.”和第五段中的前两句可知,成年人的嗓音比小孩儿的低沉是因为成年人的声带又长又厚。
答案:B
3.Who has “the Adam's apple”?
A.Boys.
B.Girls.
C.Men.
D.Women.
解析:细节理解题。根据第六段的内容可知,older guys and men长有喉结(the Adam's apple)。
答案:C
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