听觉障碍残疾人运动员的心理特点有哪些？
参考答案：
1）性格比较外向爽直，情绪反应激烈。2）与人交流的内驱力不强。3）潜意识中有强烈的与别人交流的渴望。
Which of the following health-promoting activities should the nurse teach the client with a new laryngectomy
A．Cleanse the mouth three times a day.
B．Avoid taking tub baths.
C．Develop an aggressive program of exercise to increase airway functioning.
D．Dehumidify the air for comfort.
社会上一些不法分子以铜锌合金（金黄色，俗称黄铜）假冒黄金进行诈骗活动，为了鉴别黄铜和黄金，以下方法可行的是[ ]
A、观察颜色
B、放在水中
C、加稀硫酸
D、磁铁吸引
