Everyone will go through life’s stages of ups and downs, ________ self­respect plays a key role in the maturity(成熟) of a person.

The accident that happened at an oilfield____ the southeast coast of the U．S．A has caused great damage to the environment

1Many children go to schoolat the of seven.

He had just reached home _____ a man called to see him

把下列句子组成语意连贯的语段，顺序最恰当的一项是 ①意象是形成意境的材料，意境是意象组合之后的升华。②这恐怕是每一个善于读诗，可以与之谈诗的人都会有的体验。③境与象的关系，全面而确切的表述应该是：境生于象而超乎象。④意象好比细微的水珠，意境则是飘浮于天上的云。⑤那飘忽的、变幻的、色彩斑斓的、千姿百态的云，它的魅力恰如诗的意境。⑥云是由水珠凝集而成的，但水珠一旦凝集为云，则有了云的千姿百态。