六级练习2016.06.30
[audio]http://sound.yywz123.com/tingbbs/cet6/cet620160630.mp3[/audio]The shared organs are often badly shaped and may not be strong enough to support both twins. But Betty and Abby each has her own head, heart and stomach which function normally. Because she has three or four lungs which (1)________________for both twins. Most of their completely shared organs lie below the waist.
Betty And Abby live relatively normal lives. They (2)_________________, and each does her own school work. They prefer to do some projects together, though, for example, to cut out paper dolls, one twin holds the paper, (3)______________________. But sometimes, the girls don’t want to do the same thing, for example, sometimes they want to play with different toys. What do they do then? “We toss a coin”, says Abby.
**** Hidden Message ***** attend to school
or the other
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