【单选题】—Who cooked the_______dishes? —Maybe Evens did.
【单选题】The food in the restaurant _____ delicious and the music sounds _____. [ ]
【单选题】The blue blouse makes her ________. [ ]
【单选题】关于非线性模型线性化,下列说法不正确的是( )。
A.
所有的非线性模型均可以通过直接置换法、函数变换法或级数展开式法进行线性化
B.
对于线性化后的模型可以应用普通最小二乘法进行估计
C.
CES生产函数可以用级数展开法转换为线性模型
【单选题】生产咖啡和茶叶的企业是竞争对手,从消费者需求转移的角度分析他们属于哪种类型的竞争者( )
【单选题】闭合球面中心放置一电偶极矩为p的电偶极子则通过闭合球面的电场E的通量为
【简答题】— I think you look very nice in the red jacket. —___ A、Oh, no, I don ’t look nice at all. B 、You are very kind. C、I’m glad you think so. D、I don’t like red color but my mom made me wear it.