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单项选择题A．Carefree.B．Obstinate.C．Easy-going.D．Optimisti

单项选择题A．Profit of the overseas investment.B．Land premiums.C．Salaries tax.D．Stamp duty.

单项选择题A．they don’t have enough nutritious foodB．their bones have no time to grow well because of the hard work they doC．their bodies have worked too hardD．they are always beaten by their mother