A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/98c0431c-3827-44f2-985f-76f512c64272.jpg"title="1375001037988.jpg" alt="1375001037988.jpg"/>
B、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/c65bea76-8d22-4f6b-a7ce-7a3980b4e4bc.jpg"title="1375001048644.jpg" alt="1375001048644.jpg"/>
D、1.0