题目内容
7．A．She helped the girl whose name is"Cathy"．B．She helped the girl under the name of"Cathy"．
C．She helped the girl and named her"Cathy"．
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17．听第一篇短文，回答第13-15小题．
13．A．Families in America B．Young People in America C．Old People in America
14．A.7%．B.17%．C.70%．
15．A.30 or 31．B.20 or 21．C.18 or 19．
| Title：（13）略 | |
| Most people in America live in small groups． | More than a quarter of homes in America have one person in them． 35% of homes have two people in them． （14）略 have three in them． 15% have four in them． The other homes have five or more． |
| When children are about （15）略，they leave their parents'homes，and they often go to different cities． | |
14．A.7%．B.17%．C.70%．
15．A.30 or 31．B.20 or 21．C.18 or 19．