【判断题】根据盈亏平衡分析得知,公司只有在价格补偿平均变动成本费用之后的累积余额等于全部固定成本费用,或者说销售量超过盈亏平衡点时的销售量才有可能盈利。
【单选题】行星齿轮机构中太阳轮,行星架和齿圈三者齿数关系是( )。
【单选题】________ of this term, we will have learnt 4 books.
【单选题】We can test LANGUAGE (to find out what our students have learnt): Grammar, vocabulary, spelling and _______.
【简答题】We have learnt that there is a good demand for cameras in your market,and take this opportunity for enclosing our quotation sheet No.120 for your consideration.
【单选题】We are going to have fun ____ English together.
【单选题】We have learnt a great deal from all the places we ________.
【单选题】—How many English words have you learnt now? —We had learnt over 1,500 English words ___________ the end of last week.
【单选题】We spend as much time as we can _____ English.
【单选题】So far,we_______ lots of English words.