题干

若两圆的圆心距为3,两圆的半径分别是方程x2-4x+3=0的两个根,则两圆的位置关 系是 (      )

A:相交

B:外离

C:内含

D:外切

上一题 下一题 0.0难度 选择题 更新时间:2018-07-02 05:17:09

答案(点此获取答案解析)

A

同类题3

阅读下面的文字,完成后面题。
距离
安晓
    接到儿子从那座大城市打来的电话,张叔和张婶就没睡好过。
    儿媳生了个大胖孙子,这在农家可是大事。
    说啥也得去看看我们那大胖孙子。张叔和张婶没事就唠叨这话题。
    儿子张晖真争气。大学毕业后,顺利在城市找到了一份不错的工作。听说那个城市很大,距离张叔和张婶有五百多公里。工作了一年多时间,儿子就报喜来了。说在那个城市找了个对象,叫楚雪,家里就她一个女儿,条件很不错。
    张叔就说,那我和你妈去看看,替你把把关。张晖就说爸妈你们别来了,这么远的路,回头我带她回老家一趟。张叔和张婶就一直等啊等,到底没等来。
    终于等来消息了。是儿子准备结婚的消息。张叔和张婶就告诉儿子准备去一趟。儿子说,爸妈你们别来了,回头我带她回老家一趟好了。还有,把咱家的旧房子拆了再盖一次,人家是城里的姑娘,回去也得有个干干净净的地方不是?
    从此,张叔和张婶比以往起得更早,睡得更晚。张叔还一咬牙,卖了猪粜了粮食,就拆了旧房盖了新房,还更换了所有的家具。儿子电话来了,说结婚就不回去了,楚雪家把啥东西都准备好了,房子、车子也都买好了,不用咱家花钱。张叔不听,那咋行,咱必须得拿点钱。两天后儿子打来电话,楚雪家把在地下停车场买车位的事让给咱了,爸妈你们就寄五万元钱好了。后来,张叔和张婶才知道,他们花五万元购买的车位,实际上就是用白漆画的一个长方形框。
    儿子终于打来电话,说结婚日子定下了。楚雪家里人说,路太远,爸妈你们就别过来了。结过婚,我抽时间带楚雪回去一趟。
    张叔和张婶就在家里等。每天,老两口除了干农活儿,回到家就开始收拾房间,扫啊擦啊,虽然累点,可是心里很高兴。
    儿子终于又来电话了,怎么坐车,怎么出站,在哪等,都一一记下了。坐在火车上,张叔和张婶兴奋得没法说,张婶就提醒张叔,别忘了那俩红包,听着火车上来回吆喝的卖饭声,他们只是喝一口从家里带来的凉开水。
    下了车,儿子已经在出站口等了。到了一家宾馆。张叔说,咱不住这里,我和你妈就在你那住一夜,看看孩子就走。儿子的双眼就湿湿的。
    饭后,张叔和张婶就和儿子一起去看孙子。进了门,张叔和张婶就看见一个衣着讲究、戴着金边眼镜的女人。亲家,都来了。很亲热的声音。楚雪,快来,你爸妈来了。还是那个女人的声音。张叔和张婶就知道一定是亲家母了。换了拖鞋,儿子就拉着张叔和张婶在一个紫光灯下照了一会。
    有了孩子,我们从外面回来都要照一会儿,杀菌效果很好的。还是那个女人亲热的声音。坐下来喝茶的时候,张叔就拿出那两个红包来。张婶就说,楚雪啊,这是给你的,10001元,在咱农村老家叫万里挑一。这是给孩子的,8800元,咱老家叫宝贝蛋蛋。别嫌少,是爸妈的一点心意。
    闲聊了一会,张叔和张婶就提出想看看孩子。亲家母就说,好不容易哄睡了,脚步轻点儿,咱去看看。轻轻地推开卧室的门,张叔和张婶就看见一个罩着粉红色蚊帐的婴儿车。距离一米远时,张婶想上前抱抱孙子,亲家母就拉住张婶说,咱今天就不抱了呵,就看看。哄孩子睡着不容易。张叔和张婶就隔着那个粉红色的小蚊帐,在朦朦胧胧中看见了孙子红朴朴的小脸蛋儿。
    第二天一大早,哭了一夜的张叔和张婶就来到了火车站。离开宾馆时,张叔没有告诉儿子。他把儿子交的押金留在了服务台,自己结算了房费。
    张叔对张婶说,看出来咱儿子有多难了吧。张婶流着泪点点头。哎,老头子,我眼神儿不好,你到底看清楚咱孙子没有?张叔没说话,大把的泪涌了出来。
(选自《小说选刊》2013年第11期)

同类题5

    Hollywood child star Shirley Temple died on Monday Feb 10th 2014, at home in Woodside, California, from natural causes. "She was surrounded by her family and caregivers," a statement said.
    With her sweet smile and curly blonde hair, she was one of the most popular stars of the 1930s, in hit movies like Bright Eyes and Stand Up and Cheer.
    Her singing, dancing and acting won over fans worldwide. She was given a special Oscar in 1935, when she was just six years old. To this day, she is still the youngest person to receive the award.
    After retiring from films at the age of 21, Temple returned to the spotlight as a politician(政客) and diplomat  (外交官)  .
    Shirley Temple started her film career at three years old. Between 1934 and 1938 she appeared in more than 20 feature films and was the top US movie star at that time.
    As well as being the youngest ever winner of an Oscar (at the age of 6 years and 310 days), Temple was also the youngest person to present one of the statuettes(小雕像). She stood on a chair to give Claudette Colbert the best actress prize for It Happened One Night in 1935.
    At the age of 12 Temple's star burnt out -- her parents stopped her from making movies and sent her to a girls' school. Her final film , A Kiss For Corliss, is available to watch online for free. This is star's final ever moment on the big screen. The actress retired from Hollywood in 1950, but she still appeared occasionally on TV.
    In 2006, she accepted the Life Achievement Award at the 12th Annual Screen Actors Guild Awards.