To a great degree, mental health is related to how well you (36) your emotions. This includes both feeling good about yourself as well as feeling good about (37) with your family, friends, colleagues, and co-workers. The ability to experience and express emotions is (38) human. Our emotional make-up is that part of us that contributes to the elation of great joy or the depths of (39) sorrow. Emotional (40) also contributes to maintaining an evenness through the (41) of life without the demands of experiencing continual extreme highs and/or lows. Emotions also warn us of danger and give us a way to express and receive love and (42) , as well as anger and sorrow. Most of us know that when we get physically sick it is usually best to visit a medical doctor. This person can (43) treatment that usually alleviates the problem. (44) . The world of emotions is far more complex. For example, (45) . Males in particular have frequently received messages from parents and/or society that "real men" should strictly control their emotions. (46)

患有慢性阻塞性肺病患者，诊断下呼吸道感染时，经防污染支气管肺泡灌洗采集的病原菌数需（）

A.≥10³cfu/ml

B.≥10⁴cfu/ml

C.≥10⁵cfu/ml

D.≥10⁶cfu/ml

E.≥10⁷cfu/ml