A:向左平移 π3 个单位
B:向左平移 π6 个单位
C:向右平移 π3 个单位
D:向右平移 π6 个单位
①市场调节的弊端将被清除 ②市场活力将会进一步释放
③政府的“有形手”将逐渐变为“无形手” ④政府将减少对经济的直接干预
My mother is a teacher of E____. She is very k____ to her students. She always h____ them with their lessons. After class she often t____ to them and l____ to them carefully. My mother loves her job and she is n____ be late for work. She goes to work on foot. It takes her h____ an hour to get to school. All the pupils in my class like her i____ class.
将甲、乙两盆大小和生长状况完全相同的植物,白天置于光照、湿度等相同环境下培养,夜晚将甲置于相对温暖的环境中,乙置于相对凉爽的环境中,一段时间后观察二者的生长状况,该实验的变量为( )