下列关于质点的说法中，正确的是（　　）

根据首字母提示完成短文填空。

        I am studying at Sydney Russell School, a s____ but very famous school in Australia. All the lessons there are taught in English. I have f____ subjects this term. What a big challenge!

        Last w____, Mr. Brown, my science t____ asked us to do a project on trees. Ming and I were in the same group. B____ of us were from China. We spent several hours s____ the library every day, reading and surfing the Internet. We even planted two trees in the school garden and took many p____ of them.

        The most e____ part was the presentation. We introduced many things about trees, for example, the t____ and oldest tree in the school. Everyone enjoyed the presentation.

        Learning by doing helps me a lot. I'm sure everything will g____ better.

下面是一幅漫画，如果将其作为一幅宣传画，你觉得适合用于哪个特定的节日或活动，并请写出这幅画的寓意。要求语意简明，句子连贯，描述准确，内容完整，不超过75个字。

阅读下面的文字，根据要求作文。
       没有人一生都能尽善尽美，学习上、生活中我们都留下过遗憾。“遗憾”就像一个影子一样伴随着人的一生，又像一根绳索，串起了人生的喜怒哀乐。“遗憾”令人难受，但反思“遗憾”，如同含着一枚青橄榄，又何尝不会品尝到丝丝甘甜？反思学习上的遗憾，可以获得教训或向上的动力；反思生活中的遗憾，可以让人世间美好的情感荡涤心胸；反思为人处事的遗憾，可以帮助我们理解他人，加深友谊，懂得道理……所有的苦痛都会成为过去，如今该做的只有反思遗憾，不让曾经的遗憾重演。
       想一想，往事给你留下了怎样的遗憾？请以“曾经的遗憾”为题写一篇记叙文。

       要求：①文中不要出现校名及人名，如必须出现一律用“X X X”代替； ② 不少于600字。

蝉家族的祸害是蚋。