第19题: [单项选择]The scientist's success is due to his hard work and his ability to ______ of plans which will get work done efficiently. A. ponder B. contrive C. conceive D. contemplate 参考答案:C 答案解析:[解析] 惯用搭配题。[C]conceive做不及物动词时和介词of搭配使用,意为“设计,构思”,符合句意,故[C]为答案。[A]ponder“思考,思虑”,和介词on或upon或over搭配;[B]