①具有双层膜                  ②分解有机物，释放能量      ③产生氧气

④水作为生理功能的一种原料     ⑤含有DNA                ⑥内部含有酶．

阅读下面的唐诗和宋词，完成下列各题。
                                                                                                    从军行     

                                                                                                    王昌龄
                                                                              青海长云暗雪山，孤城遥望玉门关。
                                                                              黄沙百战穿金甲，不破楼兰终不还。
                                                                                                     渔家傲      

                                                                                                     范仲淹
                                          塞下秋来风景异，衡阳雁去无留意。四面边声连角起。千嶂里，长烟落日孤城闭。
                                          浊酒一杯家万里，燕然未勒归无计。羌管悠悠霜满地。人不寐，将军白发征夫泪！

根据句意，用所给动词的适当形式填空。
(1)By the time he left college, he ____ (get) much working experience because of his part-time job.
(2)John, like other children who have no parents,____  (take) good care of in our country.
(3)We should wash hands properly ____  (fight) against H7N9 virus.
(4)Look! There are so many kites____ (fly) in the sky.
(5)If you want to improve your English, you should practice____ (speak) it as much as possible in and out of class.

读“我国四省区轮廓图、河流图”。