观察“长江三角洲简图”,回答问题。
下列对中国古代史的有关史实表述不正确的是( )
已知向量m→=(λ+1,1),n→=(λ+2,2),若(m→+n→)⊥(m→-n→),则实数λ的值为( )
— _____do you like the cakes in our shop?—They're very______. I will come here more often in the future.