通过有性生殖的方式繁衍后代的生物，新个体发育的起点是____．

    Patricia was born in Michigan and grew up in California. When she was a little girl, she often stayed with her grandparents who lived in Union City, Michigan. One summer day, a meteorite (流星)____ (fall) from the sky, right into her grandparents' backyard! Before that, her grandparents had lived a ____'kwaət life on their farm. Now things were ____from before. They had so much to do. People came to see the meteorite. The professors from the ____juːnɪ'vɜːsɪtɪ came to study it and analyze (分析) it. Her grandparents had never talked to so many people in____(they) lives! Everything changed.

    As you can guess, no one in the town had ever____(see) a meteorite before! They were confused (困惑) and didn't know____to do. Some people thought it would bring them good____(lucky) if they touched it.

    Patricia loves to tell the story about her meteorite and even today, she carries a piece of the meteorite with her____weər'evə she goes. When I met her, she let all of us touch it and make a____. What might you wish for if you could meet Patricia and see her meteorite?

古诗文填空
①             ，波撼岳阳城。（《望洞庭湖赠张丞相》）
②晴川历历汉阳树，              。（《黄鹤楼》）
③李白的《送友人》对仗工整，又巧妙作比，来表明离别深情的句子是：              ，              。
④古诗中劝学的诗句很多，如：              ，              。
⑤从积累的古诗词中，请写出一联抒发志向的句子：              ，              。

设$\overrightarrow{a}$、$\overrightarrow{b}$是不共线的两个向量，已知$\overrightarrow{AB}$=2$\overrightarrow{a}$+k$\overrightarrow{b}$，$\overrightarrow{CB}$=$\overrightarrow{a}$+3$\overrightarrow{b}$，$\overrightarrow{CD}$=2$\overrightarrow{a}$﹣$\overrightarrow{b}$，若A、B、D三点共线，求k的值．