热点试题

[ 数学 ] 如图:已知AB∥CD∥EF,EH⊥CD于H,则∠BAC+∠ACE+∠CEH等于( )A.1

如图:已知ABCDEF,EH⊥CD于H,则∠BAC+∠ACE+∠CEH等于(  )
A.180°B.270°C.360°D.450°

2016-05-16 | 0

[ 数学 ] 当x=3时,式子x+6a与13-4x的值相等,则a=______.

当x=3时,式子x+6a与13-4x的值相等,则a=______.

2016-05-18 | 0

[ 数学 ] 从总体中抽取一个样本,计算出样本方差为2,可以估计总体方差( ) A.一定大于2 B.约等

从总体中抽取一个样本,计算出样本方差为2,可以估计总体方差(  )
A.一定大于2 B.约等于2
C.一定等于2 D.与样本方差无关

2016-05-18 | 0

[ 数学 ] 已知函数f(x)是R上的增函数,A(0,-1),B(1,1)是其图象上的两点,则不等式-1

已知函数f(x)是R上的增函数,A(0,-1),B(1,1)是其图象上的两点,则不等式-1<f(x)<1的解集是(  )
A.(-∞,0)B.(-1,1)C.(0,1)D.(1,+∞)

2016-05-22 | 0

[ 数学 ] 已知等比数列各项均为正数,前项和为,若,.则▲▲.

已知等比数列各项均为正数,前项和为,若.则▲▲

2016-05-24 | 0

[ 数学 ] 已知点在由不等式组确定的平面区域内,O为坐标原点,点A(-1,2),则的最大值是_____

已知点在由不等式组确定的平面区域内,O为坐标原点,点A(-1,2),则的最大值是_____________.

2016-05-24 | 0

[ 语文 ] 阅读《岳阳楼记》,完成以下各题。       庆历四年春,滕子京谪守巴陵郡。越明年,政通人

阅读《岳阳楼记》,完成以下各题。
       庆历四年春,滕子京谪守巴陵郡。越明年,政通人和,百废具兴。乃重修岳阳楼,增其旧制,刻唐贤今人诗赋于其上。属予作文以记之。
       予观夫巴陵胜状在洞庭一湖。衔远山,吞长江,浩浩汤汤,横无际涯;朝晖夕阳,气象万千。此则岳阳楼之大观也。前人之述备矣。然则北通巫峡,南极潇湘,迁客骚人,多会于此,览物之情,得无异乎?
        ……
        嗟夫!予尝求古仁人之心,或异二者之为,何哉?不以物喜,不以己悲;居庙堂之高则忧其民;处江湖之远则忧其君。是进亦忧,退亦忧。然则何时而乐耶?其必曰“先天下之忧而忧,后天下之乐而乐”乎。噫!微斯人,吾谁与归。
1.联系上下文,解释文中加粗词的含义。
     ①滕子京谪巴陵郡________        ②增其旧________
     ③予作文以记之________      ④前人之述矣________
     ⑤或异二者之________          ⑥然则何时而乐耶________
2.翻译:不以物喜,不以己悲
                                                                                                          
3.结合中华民族的伟大复兴,谈谈范仲淹“先天下之忧而忧,后天下之乐而乐”的思想对我们的借鉴意
     义。(50字左右)
                                                                                                                             

2016-05-27 | 0

[ 英语 ] 根据句意,用括号内所给单词的适当形式填空 1. I saw the ______(happ

根据句意,用括号内所给单词的适当形式填空
1. I saw the ______(happy) from his face and tried to cheer him up in my own way.
2. We'd better eat as ______(health) as we can and not go to bed too late.
3. Some animals are ______(active) during the daytime, but they are active during the night.
4. My mother has got a bad toothache so she has to go to the ______(dentist).
5. He had a party to celebrate his father's ______(forty) birthday.

2016-05-28 | 0

[ 英语 ] 请听下面一段材料,回答第1-3题。 1. Where does the man get h

请听下面一段材料,回答第1-3题。
1. Where does the man get his job?
A. At a restaurant.
B. At a company.
C. At a hotel.
2. What does the woman advise the man to do?
A. Find another job.
B. Do the job firstly.
C. Ask the boss to raise the salary.
3. How much will he be paid a week?
A. $ 116 a week.
B. $ 160 a week.
C. $ 150 a week.

2016-05-28 | 0

[ 英语 ] — Do you play football after work — Yes, ____


— Do you play football after work?
    — Yes, ________ . Playing football is not my favorite sport.
A.more or lessB.once in a whileC.time and againD.sooner or later

2016-05-28 | 0