1949年，“美国现在正以经济方式向东欧社会主义国家渗透”。为此，苏联和东欧国家采取的相应措施是

_______ there a library? （  ）

表示两个式子相等的算式叫做比例．

在印度尼西亚某市有这样一副对联：“继张班立功异域，开哥麦探险先河”，此联称赞的是(      )

    Bryant is my uncle. I know a lot ____(关于) him. He has a ____(儿子). He reads a lot in the city ____(图书馆). My uncle can ____(拼写) many English words. He is very ____(井井有条的). He ____(总是) puts his books in the bookshelf. I ____(必须) learn from him.He also likes animals. He has____(一些)pet ducks and two pet dogs. One dog is called ____(零) and the other is called One. My uncle is ____(他们的) good friend.