热点试题

[ 数学 ] 如图所示,平行四边形ABCD中,对角线AC、BD交于点O设向量=,=,则向量=(    )

如图所示,平行四边形ABCD中,对角线AC、BD交于点O设向量==,则向量=(    )(结果用表示)。

2016-05-16 | 0

[ 语文 ] 八年级时我们曾作过“假如我是导游”的口语交际训练,本学期我们又学习了《飞红滴翠记黄山》这篇

八年级时我们曾作过“假如我是导游”的口语交际训练,本学期我们又学习了《飞红滴翠记黄山》这篇解说词,现在请你根据下面的“桂林山水”图,写一篇60-100字的解说词(3分)
(帮帮你:(1)可以自由地变换角度来表现,或环景、全景,或中近景、特写。(2)要配合画面,着眼于解说画面,讲出画面中不为人注意或隐含的东西,但不宜过分发挥;(3)应该口语化,使人一听就懂。)

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

2016-05-16 | 0

[ 物理 ] 在如图所示的四幅图中,分别表示远视眼成像情况和矫正做法的是( ) A.(1)、(2) B.

在如图所示的四幅图中,分别表示远视眼成像情况和矫正做法的是(  )


A.(1)、(2) B.(1)、(3) C.(2)、(4) D.(3)、(4)

2016-05-16 | 0

[ 政治 ] 俗话说“路有千千万万条,业有三百六十行”、“七十二行,行行出状元”,这是说 [     ]

俗话说“路有千千万万条,业有三百六十行”、“七十二行,行行出状元”,这是说[    ]
①社会行业是多样的
②工作、职业是多样的
③各行各业都是可以有所作为的
④各行各业都是社会生活中不可缺少的
⑤各行各业是有高低贵贱、等级之分的
⑥社会工作是五彩缤纷的
A、①②③④⑤
B、①②③④⑥
C、①②④⑥
D、①②③④

2016-05-17 | 0

[ 数学 ] (1)15÷(-5)=______;(2)(-0.8)×(-0.5)=______;(3)

(1)
1
5
÷(-5)=______;
(2)(-0.8)×(-0.5)=______;
(3)(-1)2011-(-1)2010=______.

2016-05-17 | 0

[ 数学 ] 小龙在学校组织的社会调查活动中负责了解他所居住的小区500户居民的家庭收入情况.他从中随机

小龙在学校组织的社会调查活动中负责了解他所居住的小区500户居民的家庭收入情况.他从中随机调查了40户居民家庭收入情况(收入取整数,单位:元),并绘制了如下的频数分布表和频数分布直方图. 根据以上提供的信息,解答下列问题:
分组频数百分比
600≤x<80025%
800≤x<1000615%
1000≤x<120045%
922.5%
1600≤x<18002
合计40100%
(1)补全频数分布表.
(2)补全频数分布直方图.
(3)绘制相应的频数分布折线图.
(4)请你估计该居民小区家庭属于中等收入(不小于1000不足1600元)的大约有多少户?

2016-05-19 | 0

[ 数学 ] 做10个棱长为4分米的正方体铁盒,至少需要铁皮 [     ] A.64平方分米    B

做10个棱长为4分米的正方体铁盒,至少需要铁皮[    ]
A.64平方分米    
B.640平方分米     
C.96平方分米   
D.960平方分米

2016-05-21 | 0

[ 数学 ] 已知椭圆的中心在坐标原点O, A,C分别是椭圆的上下顶点,B是椭圆的左顶点,F是椭圆的左焦

已知椭圆的中心在坐标原点O, A,C分别是椭圆的上下顶点,B是椭圆的左顶点,F是椭圆的左焦点,直线AF与BC相交于点D。若椭圆的离心率为,则∠BDF的正切值      

2016-05-25 | 0

[ 语文 ] 下列词语中,没有错别字的一组是( )A.璀璨弃甲曳兵温馨祸起箫墙B.庠序分崩离析湮没至理名

下列词语中,没有错别字的一组是( )
A.璀璨弃甲曳兵温馨祸起箫墙
B.庠序分崩离析湮没至理名言
C.编纂语焉不祥萎缩买椟还珠
D.枷锁怒涛排壑拯救安知若素

2016-05-26 | 0

[ 英语 ] 阅读下列五个人的信息,从其后的网站中选出吧、分别适合他们的网站。小题1:Tom is a

阅读下列五个人的信息,从其后的网站中选出吧、分别适合他们的网站。
小题1:Tom is a super basketball fan . His hobby is playing basketball . And he likes Michal Jordan very much . He wants to get some information about him .
小题2:Alice studied hard for her math test yesterday . She is very tired today , and she wants to relax . She likes listening to music .
小题3:Wang Qiang studied hard yesterday , and he also wants to relax today . But he doesn’t like music or watching movies .
小题4:Linda collects( 收集) coins , and she has been collecting them for eight years , she has many coins now and she wants to start a club .
小题5:Kate’s hobby is reading . She likes reading different kinds of literature works(文学著作) , especially novels .
A.  www.rongshuxia.com
It’s a website for literature lovers . The people who like literature can read others’ works and they can also write what they want to write . There are many different kinds of literature forms , such as poems , novels , etc .
B.  www.games.sina.com.cn
Here you can find a lot of net games to play .You can play the games by yourself or with others through the net .Anyone who likes computer games will like the website . He is sure to have a good time .
C.  www.aiting.com
It’s a music website . On this website you can listen to all kinds of music . If you love music or you are very tired after work and want to relax yourself , it’ll be very helpful to you .
D.  www.nba.com
It’s a website for sports lovers and it is about NBA. You can find all information about the NBA teams and the scores of basketball matches here . If you are interested in basketball stars ,you can also find a lot of introductions about them .
E.  www.shou-cang.com
On this website you can find a lot of information about collectors and collections . If you love collecting something or you want to join or start a collectors’ club , you can come into this website.

2016-05-28 | 0