下列各式中：①x=0；②2x＞3；③x²+x-2=0；④

y

x

+2=0；⑤3x-2；⑥x=x-1；⑦x-y=0；⑧xy=4，是方程的有(        )

有学者分析，从古希腊到19世纪上半叶的欧洲，社会上层精英一直把民主看作洪水猛兽。洛克、伏尔泰、孟德斯鸠、康德这些先哲们，对民主最大的恐惧是所谓“多数暴政”。而19世纪中期，“到处都在促进民主”。这位学者认为民主制度形成的动力是（  ）

    A lot of people like sports. And some love 1 very much. An elephant can also 2basketball. There is an elephant. Its 3is Toktak. He 4 strong and cute. Many people like 5. Do you know 6? Because 7his free time, Toktak often plays basketball with his long trunk（象鼻）. He 8the sport very much. The basketball looks like a toy to Toktak. It is 9to watch Toktak playing basketball. Do you like the elephant? Let's 10him in the zoo. I think you can have fun there.

下列句子中划线的词的解释，不正确的一项是(    )