暑假期间,八年级一班历史兴趣小组的同学要实地考察红军长征的历史足迹,他们去的地方应包括
①南昌②泸定桥③遵义④吴起镇[ ]
A.①②③
B.①②④
C.②③④
D.①③④
答案:C
John felt very embarrassed ________ he entered the government hall.
A.for the moment
B.the first time
C.for the first time
D.at the moment
简述阶段门方法主要特征?