【正确答案】 B

【答案解析】解析：equivalent(to)a.相等的，相当的；等量的，等值的；n．相等物(如：What is $5 equivalent to in French francs? His behavior was equivalent to treason．He earns the equivalent of $50 a month．)。alike a．同样的，相像的。same a．(必须与the连用)相同的，一样的。approximate(to)a．近似的，大约的。