（ ）是注意的两个特征。
正确答案及解析
正确答案
解析
注意有两个基本特征：一是指向性，二是集中性。指向性是指心理活动对客观事物的选择。人在觉醒状态时，周围的客观事物是很多的，但人们在某一时刻并不把这些客观事物都作为自己心理活动的对象，而只是选择一定的客观事物作为心理活动的对象，所谓"逐鹿者不见山"即此例。集中性指人的心理活动在特定方向上的保持和深入。其表现为：心理活动在指向于一定客体的同时，一方面会离开其它无关客体，另一方面会主动地抑制和排除无关事物的干扰，甚至会视而不见，听而不闻，从而保证对指向对象反映的清晰性、鲜明性、准确性。
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