单选题In order to prepare a lecture, one must do a lot of research and spend plenty of time _____ his material so that his speech is clear and easy to follow.AorganizingBmanagingCoperatingDbreeding
单选题
In order to prepare a lecture, one must do a lot of research and spend plenty of time _____ his material so that his speech is clear and easy to follow.
A
organizing
B
managing
C
operating
D
breeding
参考解析
解析：
句意：准备讲座时，首先要做大量研究工作，然后再长时间地组织材料；这样整个演说才能清晰易懂。organize意为“组织，统筹布置成一种紧凑的形式”；manage意为“处理，操纵”；operate意为“操作，运转，经营”；breed意为“繁殖，抚养”。
句意：准备讲座时，首先要做大量研究工作，然后再长时间地组织材料；这样整个演说才能清晰易懂。organize意为“组织，统筹布置成一种紧凑的形式”；manage意为“处理，操纵”；operate意为“操作，运转，经营”；breed意为“繁殖，抚养”。
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