读“30°N纬线上部分地区的降水分布图”图示地区降水差异的主要影响因素是(　　)

“如今有个趋势，人们怀念她的民主制度，并将其视为所有现代民主制度的源头。”这里的“她”是指（    ）

下列说法中正确的是______。（   ）

短文阅读。    We have four seasons. They are spring, summer, autumn and winter. In spring, there are many flowers and green trees. I can play on the grass with friends. In summer, it's hot. I can swim in the sea and eat ice-cream. I like summer. In autumn, Farmers are busy. We can eat moon cakes in autumn. But I like winter best. In winter, it's cold. Sometimes it snows. I often skate in winter. Sometimes I make a snowman.
⑴~⑹Read and judge.读一读，判断对错。⑺完成表格。

如图是一种叫做短尾花须鼬鳚的动物，它生活在水中，体表覆盖细鳞，用鳃呼吸，通过躯干部和尾部的摆动游泳，请判断它和下列哪一种动物同属一类（  ）