One day I got in a taxi, and we left for the airport. We were driving in the right lane(车道)when, suddenly, a black car jumped out of a parking space right in front of us. My taxi driver stopped his car at once. The tire(轮胎) made a very loud noise, and at the very last moment our car stopped just one inch from the back of the other car.
I was frightened. But then I couldn't believe what happened next. The driver of the other car, the guy who almost caused a big accident, turned his head and started yelling at us. I couldn't believe it! But my taxi driver just smiled at the guy. So I asked, “Why did you just do that? This guy almost sent us to hospital.”
This is when my taxi driver taught my what I now call, “The Law of the Rubbush Truck(垃圾车法则).” He explained that many people are like rubbish trucks. They run around full of rubbish, full of anger and full of bad feelings. As their rubbish piles up, they look for a place to throw it away and sometimes they'll throw it at you. Don't take it personally. Just smile, wish them well, and move on. Don't take their rubbish and spread it to other people at work, at home or on the streets.
Successful people never let rubbish trucks change their moods. Life is too short to wake up in the morning with regrets, so love those who love you and pray(祈祷)for those who don't.


如图甲所示,矿泉水瓶通常都是正立放置,这样它的稳定程度较好,不易翻倒掉,将矿泉水瓶如图乙所示倒立放置在桌面上时,桌子或地面稍有晃动它就会翻倒,如图丙所示,鸡蛋做成的“不倒翁”被扳倒后会自动立起来.分析这些现象,对物体放在桌面上后的稳定程度,请你提出一个值得探究的科学问题: .

敬爱的老师们、亲爱的同学们:
大家好!能莅临2018级高三毕业典礼,我感到非常荣幸!此时此刻,请允许我代表高二年级的众多莘莘学子,向忝列名师的园丁们致以崇高的敬意,向即将毕业的学长们送上美好的祝福。亲爱的学长们,你们离开母校后有什么需要帮助的,我们一定鼎力相助。在你们即将迎接人生大考的时候,我想嘱咐大家一句话:青春因奋斗而亮丽,人生因高考而辉煌,未来因你们而精彩!
要求:①突出这个人的特点。②字体工整,语句通顺。不少于400字。

德国传播学家诺尔·诺依曼曾提过“沉默螺旋”的大众传播概念:当人们发现自己的观点处于少数或容易被批驳时,会选择沉默来防止被孤立,沉默的一方会造成另一方的声音不断地扩大,循环往复,演变成一方的声音越来越大,而另一方变得越来越沉默。
近年来,随着互联网技术对媒体影响的增大,有学者提出“反沉默螺旋”现象:曾经的“一己之见”“片面认识”“表面意思”,在“人人都有麦克风”的条件下,反而比以往更容易传播。
①发声者:
②受众:
③管理者:
【甲】
余春夏秋尝在西湖,但未见寒山而归。甲辰① , 同二王参云栖②。时已二月,大雪盈尺。出赤山埠,一路琼枝玉干,披拂照耀。望江南③诸山皑皑云端尤可爱也。庚戌④秋,与白民看雪两堤。余既归,白民独留,迟⑤雪至腊尽。是岁竟无雪,怏怏而返。世间事各有缘,固不可以意求也。
(李流芳《云栖春雪图跋》)
【乙】
甲子嘉平月⑥九日大雪,泊舟阊门⑦ , 作此图。忆往岁在西湖遇雪,雪后两山出云,上下一白,不辩其为云为雪也。余画时目中有雪,而意中有云,观者指为云山图,不知乃画雪山耳。放笔一笑。
(李流芳《题雪山图》)
【注】①甲辰:明万历三十二年(1604年)。②云栖:寺名。在杭州西湖西面山中,以产竹闻名。③江南:钱塘江南岸。④庚戌:明万历三十八年(1610年)。⑤迟:等待。⑥甲子:明天启四年(1624年)。嘉平月:农历十二月的别称。⑦阊门:苏州古城之西门。
望 江 南 诸 山 皑 皑 云 端 尤 可 爱 也。
余春夏秋尝在西湖,但未见寒山而归。
B .
C .
D .
当两脚一前一后着地时重心降低,而单脚着地迈步时重心升高,因此每走一步都要克服重力做功,如果小科的质量为50g,请根据图中数据,计算他每走一步克服重力所做的功。(人在走路时的重心在人体腿部上方)
北戍琅邪城①诗
江孝嗣②
驱马一连翩,日下情不息。
芳树似佳人,惆怅余何极。
薄暮苦羁愁,终朝伤旅食。
丈夫许人世,安得顾心臆。
按剑勿复言,谁能耕与织!
[注]①琅邪城:东晋在南京北所建。②江孝嗣:南北朝时南朝齐人。
的图象如图所示,则下列大小关系正确的是( )
B .
C .
D .
