根据单词的首字母提示完成句子。
【小题1】The determination and patience of the scientists was rewarded in 1996 with a bbreakthrough --- the cloning of Dolly the sheep.
【小题2】In 1846 the United States ddeclared war on Mexico and after it lost the war, Mexico had to give California to the United States.
【小题3】Henry wanted Eliza to make the aacquaintance of the American ambassador, so he could act as a referee and judge whether he had passed her off as a lady.
【小题4】What are your ccriteria for evaluating the quality of a bottle of wine?
【小题5】He was a specialist in the study of bones and found it challenging to search for and iidentify bones of early peoples.
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解析：
【小题1】突破；这里是指克隆羊是克隆技术的突破。
【小题2】declare是指宣布重大事件。
【小题3】make the acquaintance of 认识，熟悉。
【小题4】标准；是criterion的复数。
【小题5】辨别。这里是指辨别以前人的骨头。