这一单元，哪一课给你留下深刻印象？并默写你感受最深的句或
段落，再说说你的理解或体会。
                                                            
                                                           
                                                           
                                                            
                                                           
（1）默写《终南望余雪》：                                   
                                                         
（2）再写几句你积累描写美景的句子。（至少2句）