根據(jù)單詞的首字母提示完成句子。
【小題1】The determination and patience of the scientists was rewarded in 1996 with a b___________ --- the cloning of Dolly the sheep.
【小題2】In 1846 the United States d__________war on Mexico and after it lost the war, Mexico had to give California to the United States.
【小題3】Henry wanted Eliza to make the a____________ of the American ambassador, so he could act as a referee and judge whether he had passed her off as a lady.
【小題4】What are your c______________ for evaluating the quality of a bottle of wine?
【小題5】He was a specialist in the study of bones and found it challenging to search for and i_________ bones of early peoples.


【小題1】breakthrough
【小題2】declared
【小題3】acquaintance
【小題4】criteria
【小題5】identify

解析【小題1】突破；這里是指克隆羊是克隆技術(shù)的突破。
【小題2】declare是指宣布重大事件。
【小題3】make the acquaintance of 認(rèn)識，熟悉。
【小題4】標(biāo)準(zhǔn)；是criterion的復(fù)數(shù)。
【小題5】辨別。這里是指辨別以前人的骨頭。

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