当未成年人的合法权益受到侵害时,可获得帮助的方式或途径包括[ ]
①诉讼途径②非诉讼途径③法律服务④法律援助
A.①②
B.②③
C.①②③
D.①②③④
答案:D
The IPCC announcement three years ago that "most of the warming observed over the last 50 years is" ______.
A.possibly due to human activities
B.possibly because human activities
C.due to likely human activities
D.human activities likely attributable
下列关于精液常规的分析描述,不正确的是()
A.精子浓度是每毫升精液中的精子数
B.精子活力的定性分析是测定正常活动精子和活精子比率
C.总精子数是指一次射精精子总数
D.精子活动力分为a、b、c、d四级
E.精液中的非精子细胞成分统称为圆细胞