题干

图为人体泌尿系统组成示意图,请根据图示和你所了解的相关知识完成下列问题

上一题 下一题 0.0难度 选择题 更新时间:2018-05-31 11:05:10

答案(点此获取答案解析)

同类题2

阅读《生命之芯》,完成后面小题
                                                                                                               生命之芯
                                                                                                                 李雪峰
        ①庭院的上空是一架纵纵横横的葡萄藤。A初春时节,昏睡的葡萄藤醒了,它们先是睁开一粒粒紫红色看似惺忪的叶芽。不久,叶子便很快毛茸茸地伸展开了。它们很快就把庭院里的阳光剪得支离破碎斑斑驳驳,不半月,院子的上空就一片摇曳的苍翠,连一片金黄阳光也漏不下来。B清风徐徐地一摇,几片碎碎的阳光偶尔从叶缝间掉落下来,但那是稍纵即逝的,像梦的碎片一样。
        ②我是十分喜爱这些张张扬扬的葡萄叶子的。清晨推窗一望,绿叶田田,满眼碧绿的饱满苍翠,让人感觉到了新一天的爽朗和清新。
        ③暮秋时节,满藤的叶子都已枯黄了,飒飒秋风一吹,便不停有三三两两的叶子从藤架上飘飘扬扬地凋落下来,落在庭院里、墙角和台阶上,像一只只再也不能飞的蝴蝶。这时,素爱清爽的妻子便不得不时时清扫那些落叶。但那落叶总像扫不尽似的,往往清晨刚刚扫过,但中午或傍晚时就又落了厚厚一层,有时一天扫了五遍,但还总是扫不净,仿佛你一转身它就又落下了。
        ④妻子也想了许多的办法,费尽了周折,院子里却落叶依旧,这让妻子又气恼又无奈。这情景往往一直要到落雪时才能结束。
        ⑤去年的中秋,满架的葡萄又变紫了。剪摘葡萄时,妻子不是挑紫透的先摘,把那些没有熟透的葡萄串子留着,而是一次全早早摘了,不论有没有熟透,摘得一串不留。妻子说,葡萄摘尽了,叶子落得就快,就不用像往年那样总是扫叶子了。
        ⑥果如妻子所说的那样,葡萄摘下后三四天,满架的叶子一下子就黄了,然后开始汹涌地凋落,一夜的工夫,庭院里就落了厚厚的一层,那些叶子显得十分憔悴,有的叶脉还青着,只是叶缘黄卷了一些,但却早早地凋落了。
        ⑦不到半月,葡萄藤上的叶子竟全落尽了,只剩下那些灰黑老藤和那些褐色的新条在庭院上空寂寂地缱绻着。偶尔飞来三两只鸟雀,怔怔地栖落在上面,然后啁啾几声就怏怏地飞走了。
        ⑧难道作物也有它们自己的灵魂吗?它们在泥土和风雨中生长,它们萌芽、抽叶、开花,全都是为了自己的果实,果实是它们生命的灯芯,一旦果实夭折了,它们的生命也就夭折了;一旦果实夭折了,它们的岁月也就黯淡了,无论这世界还有多么美好,无论岁月还有多么漫长,但它们却已走到了自己生命的秋天里。
        ⑨果实或许就是作物们的梦想,或许就是作物们生命的纯粹使命,或许就是作物们的灵魂,过早丢失了自己的果实,作物们生命的秋天就提前来临了。
        ⑩坐在静静的葡萄架下,仰望那一簇一簇摇曳的绿叶,我对一切都充满了敬意,无论是生命的,还是被我们视为非生命的,无论是一粒青青的葡萄,还是我们脚下的一粒泥土……
        ⑪一切都是有着自己的梦想和灵魂的。                                   

                                                                                                                                                                                  (选自《时文选粹.精品散文》,有改动)

同类题5

阅读理解

    The following are some tips for becoming a successful businessman by Michael Bloomberg. They are based on his experience of building a company from the ground  up, leading New York City as mayor(市长), and so on.

Take Risks

    Life is too short to spend your time avoiding failure.

    In 1981, at the age of 39, I lost my job. The next day I took a big risk and began my own company. In 2001, when I was debating whether to run for mayor, most people advised me not to do it. But one person said, “If you can imagine yourself giving a concession(败选)speech, then why not go for it?” That was the best advice I received, and I followed it.

    In order to succeed, you must first be willing to fail— and you must have the courage to go for it anyway.

    Make your own luck

    Luck plays a part in success. The harder you work, the luckier you get.

    Whatever you choose to do, even if it's not the job of your dreams, always work hard at it. Be the first person at work in the morning and the last to leave at night. Hard work creates chances.

    Never stop learning

    The most powerful word in English language is “why”. There is nothing so powerful as an open, inquiring mind(探究精神). Whatever field you choose for starting a business — be a lifelong student.

    Give back

    You are responsible for your success and failure, but you only succeed if you share the reward with others.

    My first donation was a $ 5 check to my alma mater (母校) . And while the checks(支票)may be bigger today, they come with the same spirit.

    You don't have to be wealthy to give back. You can give back by giving your time and talents.