【单选题】She likes to travel and meet people.
【单选题】Melissa went to Europe in a(n) _______________ because she likes to travel with many people.
【简答题】需求缺乏弹性是指需求量变动的比率______价格变动的比率,需求富有弹性则是指需求量变动的比率______价格变动的比率。
【简答题】Melissa went to Europe in a _______________ because she likes to travel with many people.
【判断题】美国心理学家哈罗的恒河猴实验报告说明了 “有奶就是娘”。
【单选题】She likes to travel , meet people and make new friends.
【判断题】美国心理学家哈罗的恒河猴实验报告说明了“有奶就是娘”。
【单选题】She likes to travel, and she chooses ______as her major.
【单选题】量变和质变相互渗透是指( )
B.
定性分析是定量分析的基础,定量分析是定性分析的精确化