第11题: [单项选择]The reversing cams of some four-stroke/cycle diesel engines are brought into position by （） A. sliding the camshaft along its axis B. rotating the cam 180 C. rotating the cam followers 180 D. moving the idler sprockets in the drive chain 参考答案:A
第23题: [单项选择]The middle-aged man was given a cordial reception because he was {{U}}taken for{{/U}} an eminent writer. A. known to be B. intended C. referred to as D. thought to be 参考答案:D 答案解析:be known to be：被知道是……；intend：想，打算；be referred to as：作为……被提及；be thought to be：被认为是……。题中be taken for意为
