(本题满分14分) 小题1:(1) 如图所示的网格坐标系中,顶点在格点上的矩形 ABCD 被分割成四块全等的小矩形①、②、③、④,并经过一次或二次变换拼成正方形 A 1 B 1 C 1 D 1 .试写出小矩形从①→⑤、③→⑦一种变换过程; 小题2:(2) 对任意一个矩形按(1)的方式实施分割、变换后拼成正方形.试探究矩形 ABCD 的周长与面积分别与正方形 A 1 B 1 C 1 D 1 的周长与面积的大小关系?并用代数方法验证你的结论.
【简答题】二.句型转换 1. The child is not only beautiful but also clever. The child is beautiful ____ ____ _____ clever. 2.With time going by, we grew older and older. _____ time _____ by, we grew older and older.
【简答题】阅读理解。 Helen Keller was born in the USA and she was a very clever beautiful baby. But the fever cut her off from the outside world. After that she could not see or hear and soon she couldn't even talk....
【简答题】阅读理解。 Helen Keller was a very clever and beautiful girl. At the age of six months she could already say a few words. But before she was two years old, she was badly ill. She could not see or hear, and...
【简答题】填空题 1. She____(希望)her daughter is more beautiful. 2. I____ (希望)more clever and more handsome. 3. I'm a little fat .I (希望)I were much thinner. 4. Mr. Smith was afraid of (吃)too much sugar. 5. It's time...