题目

--- Look, the iPhone X is so cool! How much does it ______?--- Less than 10,000 yuan. I don’t think it’s a good idea to ____ so much on a phone.A. cost; cost B. spend; spend C. cost; spend D. spend; cost 答案：【答案】C【解析】本题考查：动词辨析。选项spend的主语必须是“人”，宾语可以是钱，精力，时间等，其后用on(for)+名词或用in(可省略)+动名词形式，不接不定式。cost的主语是物或某种活动， 还可以表示“值”， 常见用法如下：(1)sth. costs (sb.) ＋金钱,某物花了（某人）多少钱。例：A new computer costs a l计算：（-1）11=________；-23=________； =________．