填空题若椭圆=1的焦点在x轴上,过点(1,)作圆x2+y2=1的切线,切点分别为A,B
填空题若cosxcosy+sinxsiny=,sin2x+sin2y=
填空题=____________。
填空题念去去,千里烟波,_______________。(柳永《雨霖铃》)
填空题生活中,有才能的人比比皆是,但是能慧眼识人才的人并不多,可见,世上不是缺人才
填空题从一1,1,2这三个数字中,随机抽取一个数,记为a,那么
填空题“笔墨当随时代”的绘画主张是清初著名画家_______提出的。
填空题若等腰三角形的两条边长分别为7cm和14cm,则它的周长为_________cm.
填空题过抛物线x2=2py(p>0)的焦点作斜率为1的直线与该抛物线交于A,B两点,A
填空题在平面直角坐标系中,已知△ABC顶点A(-4,0)和C(4,0),顶点B在椭圆=1上
填空题已知袋中有大小相同的8个红球,2个黑球,需要从中取出1个红球,每次从中取出1个,取出后不放回
填空题“大漠孤烟直,长河落日圆”表现了雄浑,开阔的意境。古诗词中有很多这样的写景诗句
填空题已知定义在R上的奇函数f(x)满足f(x一4)=一f(x),且在区间[0,2]上是增函数
补全短文Leftoverchildrenhavebecomeaheavytopicnowadaysbecausemostparentsofthesechildrenconsiderthattofeedtheirchildrenwellandtoletthemgrowuphealthandsafeinbodyarethemostimportanttask.However,asa1offact,inadditiontoprovidethebasicneedsfortheirchildren,parentsshouldpaymoreattentiontotheirchildrensp2needsandtheireducation.Foronething,parentswhocannota3theirchildrenoftenneedtopaymoreattentiontotheirchildrenspsychologicalneeds.Psychologicalhealthhasagreateffectonchildrenshealthygrowth.Ifchildrenspsychologicalneedscannotbe4(满足),theywouldfeeldisappointedandlonelyandevendosome5(极端)matters.Therefore,whenp6thebasicneedsoftheirlives,parentsalsoneedtoshowmoreconcernabouttheirchildrensemotionandmoods.Foranother,educationofleftoverchildrenisalsoquiteimportant.Itisquitecommon7childreninthecountrysideseldomr8higher-education.Thepoorconditionoftheirfamilyisoneofthereasons,butparents’ignoranceoftheeducationalsoaccount9it.Anumberofparentsinthecountrysideholdthatchildrenneednttoreceiveeducationforsuchalongtime,10thegirls.Thiskindofignoranceofeducationmakesthewholelevelofeducationbelowerinthecountryside.
改错题经过几个月的学习,使大家熟练掌握了使用电脑的技术。
改错题最近全国各地加大了对醉酒驾车的惩处力度,为的是避免那些骇人听闻的交通事故不再发生。
改错题大学生徐本禹远赴贵州山区大石小学支教,经过他的努力该校办学状况有了提高。
改错题All of us need friendship. The understanding
改错题支气管炎、过敏性鼻炎吃龙虾,会导致病情加重。
改错题关于这件事的具体详情,我以后再告诉你。
