影响果实增大的因素？
参考答案：1）细胞数量，体积及细胞间隙2）内源激素：果实生长受很多内源激素调节，不同树种，发育阶段不同果实，受控内源激素也不同生长素对果实作用：调运养分，促进维管束发育，调节细胞生长，促IAA合成，促果肉细胞膨大3）有机营养：充足的贮藏养分与适当的叶果比有利果实增大果实萌芽，开花，结果及幼果生长前期需要的营养物质主要依赖树体内上年贮藏的养分叶果比影响果实中后期发育，发育中后期以细胞增大为主4）无机养分和水：水分是一切生理活动的基础5）种子：果实种子的数目和分布影响果实的大小和形状和大小6）温度和光照：温度，每种果实的生长发育都要一定的积温光照，通过叶片的光合作用为果实的生长发育提供营养物质
| 完形填空。 Music can spread across everywhere and narrow the distance (缩短距离 ) between people of different countries. 1 . NBA star Kobe Bryant worked with music super-star Jay Chou to create a song 2 . The Heaven and Earth Challenge{(天地之斗)}. The song is used in the recent advertisement 3 the soft drinks company Sprite, and the two superstars shot ( 拍摄) the a dvertisement 4 on TV. The song was written by Jay, whose favorite 5 is basketball. It expresses the love for basketball and 6 encourages young people to be more confident(信心) about them selves. Jay 7 that he learned a lot from Kobe's sports spirit 8 creating the song. He does most of the singing part while Kobe 9 the role as a rapper ( 说唱歌手). The basketball star is very confident with his play. "I love 10 My part is talk, it's very relaxing and I did a 11 job, it must be A.''Kobe was very happy to 12 with Jay. "1 fell in love with Jay's music since first 13 his songs," Kobe added. People can download the ring tone (下载铃声) of the song from the Internet. All 14 from the downloads will go to Project Hope, a charity (慈善) that helps improve educational facilities (设备) in 15 areas in China. | ||||
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