题目

假定你是某农业大学的毕业生，在毕业典礼大会上将发表题为《美丽乡村建设》的演讲。内容包括：1）坚定信念；2）具体措施；3）达到目标。注意：1）词数100左右；2）可以适当增加细节，使行文连贯。 答案：Good morning, everyone! It is my honor to be here and give a speech on building a beautiful countryside. First of all, as an agricultural university graduate, I think beautiful countryside can't fall from the sky, which needs you, me and him, starting from small things and starting from now on. Secondly, we should promote village environment construction，infrastructure construction; leading in两端开口、粗细均匀的U型玻璃管开口向上竖直放置，两段水银柱中间封有一定质量的理想气体，其液面高度差如图所示，则如果向右管倒入少量水银后，图中的h2将    （填“增大”“不变”或“减小”），如果向左管倒入少量水银后，图中的h2将    （填“增大”“不变”或“减小”）．