皮皮学，免费搜题
登录
搜题
【单选题】
下列哪一种情形下存在负的需求交叉弹性？（）A.
该商品为低档品
B.
两种商品是互补品
C.
该商品为出口品
D.
两种商品是替代品
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【判断题】咖啡厅是一种规格较低的西餐厅,供应咖啡、饮料及比较简单的食品如面包、三明治、 色拉以及有限的几种大众化主菜。咖啡厅服务迅速,营业时间长,一般早、中、晚三餐都营业。( )
A.
正确
B.
错误
【单选题】When a person has an infectious disease, he is usually isolated from other people. 人患传染病时通常要与他人隔离。
A.
covered
B.
separated
C.
damaged
【简答题】用所给词的适当形式填空。 1. This is an ______ (interest) place. Many people like it. 2. I don't think English is as ______ (difficult) as maths. 3. Can you hear the sound of children ______ (play) outside? 4.The ...
【判断题】Zhong Nanshan is a famous Chinese doctor. He is kind and hard-working, he plays an important role in curing infectious disease(治疗传染病).
A.
正确
B.
错误
【简答题】单词拼写。 1. Many people like the magazine . It's a ________ (每周的) magazine. 2. Any change in lifestyle will have an ________ (影响) on your life. 3. It's ________ (众所周知的) that China is a peace-loving count...
【简答题】How can we avoid catching such an infectious disease ( 传染病 ) in our daily lives?
相关题目：