阅读短文，下列问题

    If you go into the forest(森林) with friends, stay with them. If you don't, you may get lost(丢失). If you get lost, this is what you should do. Sit down and stay where you are. Don't try to find your friends. Let them find you. You can help them find you by staying in one place. There is another way to help your friends or other people to find you. You can shout or whistle(吹口哨) three times. Stop. Then shout or whistle three times again. Any signal(信号) given three times is a call for help.  

    Keep up shouting or whistling. Always three times together. When people hear you, they will give you two shouts or two whistles. When a signal is given twice, it is an answer to call for help.

     If you don't think that you will get help before night comes, try to make a little house with branches(树枝). Make yourself a bed with leaves(树叶) and grass.

    When you need some water, you have to leave your little branch house to look for it. Don't just walk away. Pick off small branches and drop(扔) them as you walk in order to go back again easily. When you are lost, the most important thing to do is stay in one place.

下列计算正确的是

补充句子

①李白是描写瀑布的高手，留有“飞流直下三千尺，疑是银河落九天”的名句。在《蜀道难》一诗中，用瀑布表现蜀道之险的句子是：____ ，____。

②“危楼高百尺，手可摘星辰”，这是李白表现楼之高的句子，在《蜀道难》一诗中，运用同样手法表现蜀山之高的句子是：____ ，____。

③杜甫的《望岳》，用光线的变化表现泰山之高的一联是：____ ，____。

④刘禹锡《酬乐天扬州初逢席上见赠》借用典故表达暮年返乡，恍如隔世之感：____，____。

⑤《论语》关于学习与思考关系的句子是：____ ，____。

⑥《论语》与“疾风知劲草”异曲同工的一句话是：____ ，____。

⑦《陈情表》感情真挚，以情动人。表达李密接到诏书后心情复杂、进退两难情感的句子是：____，____，____，____ ，____ ，____。

⑧刘禹锡的《酬乐天扬州初逢席上见赠》有一句诗包含着事物新陈代谢的哲理，常常被用来表达指新生事物无比美好：____ ，____。