A. because Japan declared war B. because Japan was an ally of Germany C. after Japan launched the Pearl Harbor attack D. after peaceful efforts had failed 参考答案:C 答案解析:[解析] 最后一段倒数第二句“In December, 1941,Japan launched the unprovoked attack on the United States at Pearl
第18题: [单项选择]His new theory has caused an enormous ______ throughout the civilized world. A. solidarity B. sentiment C. sermon D. sensation 参考答案:D 答案解析:[解析] (sensation轰动)。句意为:他的新理论在文明世界引起了很大的轰动。A.solidarity团结一致;B.sentiment情操;C.sermon布道。
第35题: [单项选择]Any carbon built up on surfaces must be washed away by () additives and held in suspension by a () additive. A. dispersant;detergent B. detergent;dispersant C. dispersant;dispersant D. detergent;detergent 参考答案:B