Change the forms of the following sentences. 句型转换。

1．Lucy works hard at school.（变为一般疑问句）                                                                       

2．I go to the park once a week.（对划线部分进行提问）                                                                      

3.  I have some homework to do.（变为一般疑问句）                                                                      

4．My favourite fruit is melon.（对划线部分进行提问）                                                                          

5．Do you Like apples?（加bananas变选择疑问句）                                                                        

高压缩性土是疏松土，低压缩性土是密实土。