假定英语课上老师要求同桌之间交换修改作文,请你修改同桌写的以下作文,文中共有10处语言错误,每句中最多有两处,错误涉及一个单词的增加、删除或修改。 增加:在缺词处加一个漏字符号(∧),并在此符号下面写出该加的词。 删除:把多余的词用斜线(﹨)划掉。 修改:在错的词下画一横线,并在该词下面写出修改后的词。

注意: 1).每处错误及其修改均仅限一词;

2).只允许修改10处,多者(从第11处起)不计分。

Boys and girls,

    May I have your attention, please?

    There will a lecture in our library, at 4:00 on Wednesday afternoon. We are very honour to have invited Professor Tang Wenfang, who has been studied cultural differences in Tsinghua University for many years, in talk about the differences between American and Chinese cultures, that may be quite an interested topic. After a lecture, you are welcome to share your experience in China with everyone else present. Since you have stayed in China for half a year, because you have anything that what puzzles you, it would be great to talk with Mr.Tang. He will be glad to communicate with you. Please be present on time.

    That's all. Thank you.

同一品种长势相同的两盆观赏植物“虎刺梅”，放在窗台上的花苞颜色鲜红，而放在客厅里的花苞颜色较淡，你认为主要的影响因素是（  ）