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____. A. I’m 48 years old.B. I’m 48 kg. C. I’m 48 cm. 2.Tom is 120 cm. Jack is____. Than him. A. tall B. taller C. heavier 3.How heavy is the whale? _____. A. It’s strong.B. It’s heavier.C. It’s 3600 kg. 4.How _______ are you? A. old B. olderC. taller 5.The monkey has a _____ tail. A. tall B. longC. longer 。160