如何提高新课导入环节的效果?
参考答案:①要有明确的目的性(1.5分)②要有明确的针对性(1.5分)③导入的方式要多样化(1.5分)④导入的过程要有趣味性(1.5分)
______history of the American South is ________history of suffering, also one of hope and success.[ ]
A. A; the
B. The; the
C. A; a
D. The; a
放下PSU(旅客服务组件)的正确方法是().
A.先到驾驶舱内开锁,再用解刀松开螺栓
B.用1/8英寸的细棒塞入PSU内的开锁孔
C.到驾驶舱内用电门放下
D.先放下氧气面罩,再放PSU