【简答题】下面四个命题: ①偶函数的图象一定与y轴相交; ②奇函数的图象一定通过原点; ③偶函数的图象关于y轴对称; ④既是奇函数又是偶函数的函数一定是f(x)=0(x∈R). 其中正确命题的序号是______.
【简答题】一位旅游者看中了饭店客房内配备的一件漆器烟具,找到导游人员帮忙,想买下做纪念,导游人员可以( )。
【简答题】S1:Can you tell me the robbery details about the container ship,PAPHOS?S2:Yes.Five robbers armed with knives boarded the ship at anchor. They jumped overboard when sighted by ship's crew. Ship's store...
【简答题】下面四个命题: ①偶函数的图象一定与y轴相交; ②奇函数的图象一定通过原点; ③偶函数的图象关于y轴对称; ④既是奇函数又是偶函数的函数一定是f(x)=0(x∈R). 其中正确命题的序号是( )。
【单选题】a street where traditional restaurants or foodstands serving local food or local cuisine.
【简答题】偶函数的图象关于 对称,奇函数的图象关于 对称,奇函数、偶函数的定义域关于 对称
【单选题】-位游客看中了饭店客房内配备的一 件漆器烟具,想买下作纪念,找到早游帮忙,导游可以( )。
【单选题】— Look at that model ship. — I know, but it looks like a real one. It's just ______. [ ]
【单选题】— is the most comfortable way to get from Dalian to Qingdao? —I think it's by ship. [ ]
【单选题】The storm delayed ______ Yokohama Harbor.