题干

如图,抛物线y=ax2+1与双曲线y=
m
x
的交点A的横坐标是2,则关于x的不等式
m
x
+ax2+1<0的解集是____

上一题 下一题 0.0难度 选择题 更新时间:2016-10-13 09:55:14

答案(点此获取答案解析)

-2<x<0

同类题2

阅读下文,回答相关问题。

                                                                                             他为我摆渡
      ①我想他应该是出生在一个缺少浪漫的灰色年代,一个黯淡而不见生动的枯槁岁月,一点点的摇曳都可以带来许多惊喜与闪光。
      ②大概与那个时代的精神风貌及他的自身阅历有关,他很稳重内敛,他不喜欢我的嚣张我的任性,要我懂得“凡事预则立,不预则废”,做到未雨绸缪。
      ③可是他不知道这样做我很累,结果及过程都预测好了,安稳得让我觉得一切都很程序化。
      ④他对我期望很高,给了我一双沉重的翅膀,让我像一只孤独的大雁,疲惫地飞翔。我很努力地学习,可总达不到他希望的成绩。我为他放弃了我本该拥有的激情与活力。
      ⑤他从不表扬我,即使我拿了稿费、获得了荣誉证书。有一次我看到席慕蓉的一句话:“青春的无暇与无邪,就在于它的一去而不复返,可遇而不可求。”我意识到我已经背离了青春的道路,背离了我的梦想。
     ⑥他是教师,总喜欢说一大堆的话来教训我,他告诉我不懂一件事就不要说它没有道理,告诉我无论受多大的委屈都得退一步海阔天空。我没有说我不喜欢这种处世基调,就因为他是我那很辛苦也很敬业的父亲,他的话我不想违背。
     ⑦我记起了一些童年往事。他让我骑在他肩上带我去看马戏,买很多小字本让我一笔一画地练字,灰蒙蒙的雨天带我去很远的地方爬山。他认为这样可以让我高兴,让我拥有一个可以回忆的童年。可是他从来就不知道我不喜欢看马戏,不喜欢练字爬山,我更希望和小朋友一起自由地嬉戏玩耍。
     ⑧我很想鼓起勇气对他说,如果没有他的束缚,我依然可以不改变初衷;没有他的导航,我依然可以不埋葬向往……
      ⑨可有一天我翻他的抽屉,发现里面放了我大大小小的照片。我伫立了很久,突然明白我就是他的希望他的梦想,就像去看海是我的梦想一样,我们都在努力地去实践,只是我们都没有站在对方的角度替对方想想。
     ⑩以前,我总觉得,我们之间有条河,我在这边,他在对岸。
     ⑪现在,我才知道,对岸的不是他,他是为我摆渡的。只是,我衷心地希望,有一天,他能递一支桨给我,让我们一起来掌握方向。

同类题5

阅读理解

    Leaving Hanoi on a fiercely hot summer day,after an hour by air,Luang Prabang gradually appears below our airplane wings.From a few hundred meters above,my first impression of this UNESCO-listed heritage(遗产)is an area of green land and mountains,surrounded by snaking rivers.

    Encircled by mountains,the former royal capital of Luang Prabang is more than just the country's picture-perfect showpiece.

    Travelers will be attracted to Luang Prabang by the city's timeless peacefulness with its shiny Buddhist temples, French colonial architecture and friendly people.

    Tourists visiting Luang Prabang shouldn't miss the chance to see one of the most sacred(神圣的)Lao traditions, tak bat,or the Buddhist almsgiving ritual(仪式),which dates back to the 14th century.

    As the sun rises in Luang Prabang,hundreds of Buddhist monks depart from their temples to gather their daily offerings,which most commonly are rice,fresh fruit and traditional sweet snacks.The daily alms gathering begins on the main street before spreading to all the side streets.

    Our group of six got out of our comfy beds at 5 am to join other local residents and tourists to offer alms to the monks.We kneeled by the roadside in front of the 3 Nagas Hotel on the main street with big baskets of steamed sticky rice,waiting quietly until monks of all ages passed by to accept our gifts.

    The daily ritual gives you a wonderful opportunity to experience an ancient Lao tradition.However,there are some strict rules if you wish to join the event.

    Firstly,shoulders,chests and legs must be covered in modest clothing as a mark of respect.You should also remain a suitable distance from the monks.Photographs may be taken,but from a distance and never use a camera flash.The ritual has to be performed in silence.Talking to or touching the monks at any time,even when making an offering,is not allowed.

    Another must-do morning activity is to visit the local market,where you can see the generosity that Mother Nature offers this dreamy land.While walking through the morning market,located within a long and narrow hamlet,I was excited to see all kinds of products from the nearby river and jungle: some ill-fated squirrels lying next to fresh bamboo shoots,different kinds of wild mushrooms and vegetables displayed on banana leaves and giant river catfish in baskets.

    Although Luang Prabang is small,there are many things to see here.Active travelers can get up close and personal with Laos' gentle giants at the elephant conservation camp or take in some scenes of riverside life with a cruise or kayak excursion on the rivers.Two waterfalls that are perfect for picnicking in the foothills nearby,and classes are available in traditional crafts.