第3题: [单项选择]The widespread rumor was probably ________ by one of the president's aides. A. launched B. stemmed C. manufactured D. abstracted 参考答案:C 答案解析:[解析] 近形近义题。[A]launched意为“发动,发起(运动),推出(产品)”,常与campaign,investigation,attack等搭配使用。[B]stemmed为不及物动词,常和f