“民主”一词源于古希腊语“demos”，意为人民。在我国先秦经典《尚书》中也曾多次提到“民主”，如“天唯时求民主，乃大降显休命于成汤”，意即“上天为民求主，天降大任于成汤，使为民主”。这说明

青蛙既可以在水中生活，又可以在陆地上生活，因此被称为两栖动物（判断对错）

形近字组词。

构____     沟____

性____     姓____

$f\left(x\right)=\left\{\begin{array}{c}{\left(\frac{1}{2}\right)}^x,x<0\\ x+1,x\ge 0\end{array}\right.$，则$ff(-2)=( \; )$

    Mr. Smith is my new friend. He1from Paris, France. He is a French2of a middle school. His students all like3very much. He can speak some Chinese,4not much. He wants to learn more, so he goes to5 classes every week. He likes living and working6China very much. He7 the Chinese people are very friendly(友好的). He has two8, Maria and Tom. They are students, but they go to different(不同的)9. They have some pen pals and they often write10 the pen pals. They also have many Chinese friends at school and they play games after class.