题目

Schools across China are expected to hire 50,000 college graduates this year as short-term teachers，almost three times the number hired last year，________ reduce unemployment pressures． A．help        B．to have helped            C．to help            D．having helped 答案：C读图，回答图示汽车牌照的属地为（　　） A、广西B、山东C、河南D、广东