[解析]
(1)B.细节理解题.通读全文,可知文章主要叙述了祖父的一生,他出生于欧洲,经历了二战时期的保家卫国,后来坐船去了美国,在朋友的帮助下经营他的钻石生意,附近的摊位里的人帮助他经营,最终祖父成功的在美国生存了下来,还参加了两个女儿的婚礼;故选B.
(2)C.细节理解题.根据文章倒数第三段"Within months,my grandfather was commanding his spot behind the counter,selling diamonds and cultured pearls as if he'd been doing it his whole life"可知祖父在柜台收着钱,卖着珠宝砖石,感觉他的一生都在做这个事情一样的,其实他并非一生都在经营珠宝生意的;故选C.
(3)C.推理判断题.根据文章第一段My grandfather grew up in war﹣torn Europe.When German soldiers occupied his home﹣town,the thriving city of Tarow,Poland,he refused to obey them and eventually joined the Soviet army to fight for his country's freedom. "Stand straight,stand tall," he told himself.可知祖父一生是靠Stand straight,stand tall对自己的鼓励渡过难关的,因此他应该也会把这话传递给他的孩子们;故选C.
(4)A.推理判断题.通读全文,可知祖父一生多次遇到困难,感受迷茫,但他从来没有放弃自己,在不断对自己的鼓励中成功;可知祖父在艰辛的岁月里从来不曾迷失自己的心;故选A.