一位老摄影记者至今仍珍藏着1971年第26届联合国大会乔冠华开怀大笑的照片。乔冠华豪放、爽朗的笑是缘于A．中国首次提出和平共处五项原则
（08云南昆明质量检测，9）某校研究性学习小组利用铁生锈原理设计了一个可给收音机供电的装置。在此装置中，下列说法正确的是（ ） A．0.1mo
在中，三个内角的对边分别为，且满足，则 的最大值为________
---- Good morning! ---- _________! A．Good morning B．Good afternoon C．Goodbye D．Hello
6月1日为“世界牛奶日”。某品牌牛奶富含蛋白质、糖类、无机盐等营养物质。下列叙述错误的是 ( )
Finally, after a long bargain, John paid 150 dollars for a 200-dollar T-shirt. That is to say, he successfully cut the price _______ 25 percent. A. to B. for
—Jack bought a new mobile phone the other day? — ? That’s his third one in just one month. A．Had he B．Did he C．Does he
— Let’s go to a place _______ we can make a round—trip in one day? —What about one _______ we can climb and swim? A．to which; where B．where; where C
