Conjunctivitis may be caused by bacteria, viruses, allergens, or irritants. What signs and symptoms differentiate bacterial conjunctivitis from other types

A. Subacute onset, severe pain, and preauricular adenopathy.
B. Recurrent onset, no pain, and clear discharge.
C. Acute onset, moderate pain, and purulent discharge.
D. Acute onset, mild pain, and clear discharg

在企业不添置固定资产并且没有其他非现金项目的情况下，只要亏损额不超过折旧额，企业的现金余额并不减少。 ( )