解放军粉碎国民党全面进攻和重点进攻的主要原因是()。
A、正确的战略战术
B、土地改革提供了有力保障
C、国统区第二条战线的配合
D、国民党军队士气低落
参考答案:A
Bob Geldof, who organized Live Aid, _____ to raise money for the famine and it ____ to be a
great success.
[ ]
A. intended; turned out
B. tried, turned over
C. hoped; turned in
D. wished; turned up
表面活性剂定义及分类?