题目

The Korea Times hosted the fourth International English Contest across South Korea recently. More than 2,000 students participated in the contest, which_________(consist)of a speaking and listening test and essay writing. (所给词的适当形式填空) 答案：【答案】consisted【解析】考查时态。句意：《韩国时报》近日在韩国举办了第四届国际英语大赛。比赛包括口语和听力测试以及论文写作，共有2000多名学生参加。which______ of a speaking and listening test and essay writing是定语从句，所以consist是谓语动词，根据前文的hosted，可这里用一般过去时态，故填consisted。设函数f（x）=g（x）+x2，曲线y=g（x）在点（1，g（1））处的切线方程为y=2x+1，则曲线y=f（x）在点（1，f（1））处切线的斜率为（ ）A．4B．-C．2D．-