【单选题】若 -1, +1, 2 +3依次成等差数列,则 的值等于
【单选题】When the farmers visited the city for the first time, they were _______ by its complicated traffic system.
【简答题】The school offered flexible courses for farmers, ________ more hours of study when farm work was not heavy. A) with B) without C) in D) for(
【单选题】At present obtaining more land is only possible as _____ result of ization, when more farmers leave _____ rural areas to work in the city.
【单选题】若x,2x+2,x+3依次成等差数列,则x=
【判断题】使用热压灭菌器灭菌时所用的蒸汽是流通蒸汽。( )
【单选题】2016 年 9 月 15 日在酒泉发射成功的天宫二号是中国( )
【单选题】There was _____ time _____ we lived in the countryside with the farmers happily. [ ]
【单选题】The police got to an old school _______the farmers used as a store.
【判断题】使用热压灭菌器灭菌时所用的蒸汽是流通蒸汽。