西斯蒙第代表的是()的利益。
A.土地所有者
B.封建贵族
C.小资产阶级
D.大资产阶级
参考答案:C
The ______ Method uses translation and grammar study as the main teaching and learning activities.
在满足哪些条件时,允许失去同步的局部电网作短时非同步运行,而后再同步?