A:美苏国家利益和意识形态矛盾冲突加剧是两极格局形成的原因
B:雅尔塔体制奠定了两极格局的基础
C:北约的成立标志着美苏两极格局最终形成
D:美苏两极格局取代了传统的以欧洲为中心的国际格局
C
Hi! I'm Alan. This is my dream house (梦幻屋). It has a small but nice room. Some pictures are on the wall. There is (有)a bookcase in my room. There is a desk and a chair in it. My schoolbag is on the desk. Oh! Where is my pencil case? It is under the chair. There are some pencils and a ruler in the pencil case. My shoes and a basketball are under the bed. I like my dream house very much.
通过分析组成和结构,可以预测物质的某些性质。根据下图硫酸氢钠溶液的微观图示,分析推测NaHSO4的性质,其中不合理的是( )
天亮____(liàng niǎng) 升旗____(pí qí) 叔叔____(shū sū)
远近____(jìn jìng) 秋天____(qiū quī) 毛笔____(pǐ bǐ)
黄牛____(liú niú) 森林____(sēn shēn) 去年____(qù qǜ)