A:甲
B:乙
C:丙
D:丁
Lucy didn't feel well last week. She ____ all day and all night.
右图是镁和氯两种元素的有关信息,则下列说法错误的是()
Touch your eyes.
史载,孝文帝雅好读书,遍览经史,深受儒学影响。这种影响表现为( )