题目

Chinese has overtaken French, Spanish and German to become one of the most lucrative (赚钱的) foreign __1__ (language) for job seekers in the UK. Research shows graduates in Chinese earn an average  __2__ (year) salary of ￡31,000 (270,000 yuan) or more. For students today, struggling with rising debt, __3__ degree in Chinese promises to set them apart in the workplace. Chinese students set  __4__ (they) up for a different university experience from their peers (同辈) who are taking traditional essay subjects. While an English student may have as little as six hours of contact 函数在一个周期内的图象如图，此函数的解析式为 [　　] A． B． C． D．