![阅读理解Thereareforty-sevendifferentkindsofkangaroos（袋鼠）.Th...]( "阅读理解Thereareforty-sevendifferentkindsofkangaroos（袋鼠）.Th...")
- 问题详情：阅读理解Thereareforty-sevendifferentkindsofkangaroos（袋鼠）.Thesmallestareaboutaquarterofameterlong;thebiggestaretallerthanaman. Kangarooshaveverylongstrongbacklegs.Theseareusedforjumping.Theyalsohavelongstrongtails（尾巴）usedforrestingon.Kangaroo...
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