把下列句子改為陳述句。   
1．世界上還有幾個劇種在演出時是沒有舞臺的呢？
                                                                                                                                                    
2．這里的工作多么重要，我哪能離開呢？   
                                                                                                                                                    
3．懶人怎么知道有幾棵樹會枯萎呢？    
                                                                                                                                                   
4．秦王我都不怕，會怕廉將軍嗎？
                                                                                                                                                    
5．那璀璨的華燈能不讓我想起親愛的戰(zhàn)友嗎？ 
                                                                                                                                                   
6．小學生怎能不遵守《小學生守則》呢？