通过摆事实、讲道理,使幼儿明辨是非的教育方法是()
A.情感陶冶法
B.说理教育法
C.品德评价法
D.实际锻炼法
参考答案:B
They often have problems with______.
A.what will they be able to do
B.what they will be able to do
C.that will they have to do
D.that will they have to do
钢管在正常气割时,不论割嘴移到何种位置,割嘴均应垂直于钢管的表面。