如图表示一个人健康水平的“生病一健康”连续区域图。图中：A端代表____ ，C端代表 ____ ，折中点B是指 ____ 。你的健康水平____ (填“会”或“不会”)总停留在连续区域的某一位置上，许多因素会导致你的健康水平的变化。当你选择健康的生活方式时，就会 ____ (填“提高”或“降低”)健康水平，朝着图中 ____  端靠近。

蜜蜂采蜜归来，发出声音的音调变低.原因是负重增加的情况下，蜜蜂翅膀扇动的频率（   ）

已知三角形的两边长分别为3cm和8cm，则该三角形的第三边的长可能是(    )

继网站、微博之后，微信这一新兴社交媒体也受到越来越多的政府机构的关注，逐渐成为政府与群众沟通交流的新平台，被亲切地称为“指尖上的政民对话”。如今，政务微信遍地开花，逐渐成为网络问政新利器，“掌上政务”时代或将开启，对创）新社会管理方式、智慧城市建设、政府形象树立等将有深远影响。政务微信的开通（    

①为公民求助、投诉提供了便捷渠道

②表明政府的服务意识在增强

③调动了群众参与民主管理的积极性

④扩大了政府的社会管理职能

短文填空

    One ____(rain) night I was driving along a lonely highway ____I saw a man walking rapidly ahead of me along the side of the road.It was pouring rain and I slowed down to avoid splashing him as I went by.

    He misunderstood and thought I was offering a ride，and ran towards my car. He was very tall and had a full beard, ____ scared me. I stepped on the gas pedal  ____（leave）quickly and I saw the look of total despair in his eyes. Suddenly，all fear was  ____(go) and I backed up and unlocked my car door，praying this was not the ____(big) mistake in my life but somehow knowing it would be okay.

    The man's truck had got stuck ____the mud. He ____(walk) for miles.No one would pick  ____up and his wife was giving birth to their first child in the hospital. He had cried at the thought that he might not be there. ____ fortunate), we arrived in the hospital before his son was born.