Duringtheyear,McKennaCompanysstockholdersequityincreasedfrom$38,000to $50,000.McKennaearnednetincomeof$18,000.Howmuchindividendsdid McKennadeclareduringtheyear?
A. $-0-
B. $6,000
C. $12,000
D. $7,000
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JavisCompanyhadtotalassetsof$340,000andtotalstockholdersequityof$130,000atthebeginningoftheyear.Duringthe yearassetsincreasedby$70,000andliabilitiesincreasedby$25,000.Stockholdersequityattheendoftheyearis:
A. $95,000.
B. $175,000.
C. $200,000.
D. $155,000.
典型的破伤风芽孢梭菌是：
A. 棒状
B. 竹节状
C. 鼓槌状
D. 网球拍状
破伤风梭菌感染途径是：
A. 呼吸道
B. 消化道
C. 血液
D. 厌氧伤口
用3%的过氧化氢处理伤口的主要目的是：
A. 杀菌
B. 除毒
C. 清除异物
D. 增加局部含氧量
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