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Title: 71.___________ Ⅰ. Characteristics ● mammals : warm-blooded animals and one baby at a birth ● length : 90cm-4m ● lifespan : 40 years ● highly sociable animals Ⅱ. 72.___________ ● teeth→ holding slippery fish and eating fish whole 73.__________ ● opening and nodding mouth→ expressing their aggression ● 74._________ jaw→ expressing greater aggression ● blowhole at the top of their head→ 75.____________ ● eyes with a special slippery secretion→ protecting the eyes from foreign objects and water friction ● 76._____________ ears→ swimming at high speed through the water Ⅲ. Tail ● powerful to move through the water ● 77.___________ and expressing annoyance and danger Ⅳ. 78.___________ ● completely smooth to move easily through the water and reduce heat loss ● full of rake marks to become badly sunburned easily Ⅴ. Body ● 79._____________ to swim at high speed through the water Ⅵ. Habitual nature ● short catnaps with only half of its brain ● 80.___________ breathing ● activities during night time for feeding |
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A.Fine. That leaves me plenty of time to pick them up after work. |
B.I want to have these clothes cleaned and pressed. |
C.Good. Thank you. |
D.How much is it? |
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