在一部纪录片中,画面里一个人在和另外一个人交谈,并且你能清晰地听到这个声音,并且理解交谈的内容,这个交谈的声音是: A.
语言 B.
解说词 C.
同期声 D.
音乐

单项选择题A one-year forward contract is an agreement where A、One side has the right to buy an asset for a certain price in one year’s time. B、One side has the obligation to buy an asset for a certain price in one year’s time. C、One side has the obligation to buy an asset for a certain price at some time during the next year. D、One side has the obligation to buy an asset for the market price in one year’s time.

单项选择题在党的十一届三中全会前夕召开的中央工作会议上，邓小平作了（ ）的讲话，实际上成为党的十一届三中全会的主题报告。 A. 《解放思想，实事求是，团结一致向前看》 B. 《高举毛泽东思想旗帜，坚持实事求是的原则》 C. 《坚持党的路线，改进工作方法》 D. 《按照中国的情况写中国的文章》