—Did you hear someone knock at the door just now?

—Sorry, I ______ to my friend on the phone.

①始终贯穿着持续不断的根本的变化

②会提高量变积累到质变的速率

③对不可能摆脱一点一滴的变化

④将凸显质变作为发展起点的地位

请概括下面新闻的主要内容（不超过25个字）

    中新网北京11月14日电（记者马学玲）按照外交部公布的日程，今起至19日，中国******将展开为期6天的G20和APEC“双峰会”之行。中国领导人将会出席那些活动，中国对世界经济形势及区域合作有哪些看法和主张，中国将怎样向世界介绍自己的“十三五”规划……在这两个重要多边外交舞台上，诸多“中国元素”备受瞩目。

综合填空  
从下面方框中选择适当的词，并用其正确形式填空，方框中有两个多余的词。

    Brian likes jogging (慢跑). He jogs in the park every morning. He always brings five dollars with him. He always buys breakfast for

____  in the shop.
    One day he jogged into the park and another jogger knocked into him. A few minutes____, he found his five-dollar bill wasn’t in his pocket. “The man might be a thief!” He thought, “It must be him that took my money. I must fight against the crime (犯罪)! ”
    The man was only 30 meters ahead. Brian ran after him, hit him on the shoulder, and said “Give me the money!”The man was ____ , but at last he gave Brian a five-dollar bill. Then he ran away as fast as he could!
    Brian felt really good and ran to the shop. He had got his money back. He ____ himself a cup of coffee and two hamburgers.
Then he ran back home. His wife was waiting for him. She was shaking her head. “Oh, dear!”she said, "You've had

a ____  morning, haven't you ?”
   “No! Why? I've had a very good morning!”he said. “Really?" she said. “But you left your five-dollar bill on the table!”