热点试题

[ 数学 ] a2+b2+______=(a+b)2;a2+b2+______=(a-b)2;(a-b)

a2+b2+______=(a+b)2
a2+b2+______=(a-b)2
(a-b)2+______=(a+b)2

2016-05-18 | 0

[ 数学 ] 已知二次函数y=x2+bx+c中函数y与自变量x之间的部分对应值如下表所示,点A(x1,y

已知二次函数y=x2+bx+c中函数y与自变量x之间的部分对应值如下表所示,点A(x1,y1)、B(x2,y2)在函数图象上,当0<x1<1,2<x2<3时,则y1______y2(填“>”或“<”).
x 0 1 2 3
y 1 -2 -3 -2

2016-05-19 | 0

[ 数学 ] 用圆规画一个周长是12.56厘米的圆,圆规两脚之间的距离应是______厘米,这个圆的面积

用圆规画一个周长是12.56厘米的圆,圆规两脚之间的距离应是______厘米,这个圆的面积是______平方厘米.

2016-05-21 | 0

[ 数学 ] 已知集合U=R,A={x|3≤x<7},B={x|2<x<10},C={x|x<a}。(1

已知集合U=R,A={x|3≤x<7},B={x|2<x<10},C={x|x<a}。
(1)求A∪B,(CuA)∩B;
(2)若A∩C≠,求a的取值范围。

2016-05-22 | 0

[ 数学 ] 如图,在棱长为1的正方体AC1中,E、F分别为A1D1和A1B1的中点.(Ⅰ)求平面BDD

如图,在棱长为1的正方体AC1中,E、F分别为A1D1和A1B1的中点.
(Ⅰ)求平面BDD1与平面BFC1所成的锐二面角的余弦值;
(Ⅱ)若点P在正方形ABCD内部或其边界上,且EP平面BFC1,求EP的最大值、最小值.

2016-05-25 | 0

[ 语文 ] 第十回写曹操为父报仇去攻打徐州的事情,在文章中有何作用?

第十回写曹操为父报仇去攻打徐州的事情,在文章中有何作用?

2016-05-27 | 0

[ 英语 ] A WALKTen kilometers’ long.Dogs and other lit


A WALK
Ten kilometers’ long.
Dogs and other little animals are welcome.
Meet at the school gate.
Time:7:30 a. m. Saturday morning
Want to know more?
Call Michael at 58555665
For Rent
One-bedroom apartment near No.3 High School.
Call Miss Wang for more.
Tel:68252503
9:00 a. m. - 4:30 p. m.
Every weekday
For Sale(大促销)
Come and buy school things!
All kinds of school things!
Soccer ball:¥50
Basketball:¥40
Pen:¥1. 50
Only five days, this week!
Lantian School Things Store, next to No. 1 High School
Wanted
A waitress(女招待)in a restaurant.
Work for eight hours.
Like to meet people.
¥160 a day.
Call Miss Li at 65433265 today!
From 10:00 a. m. to 10:00 p. m.
小题1:They will meet ______ at 7:30 a. m. on Saturday morning for the walk.
A.at No. 3 High SchoolB.at the school gate
C.at No. 1 High SchoolD.at a restaurant
小题2:If Li Lei wants to rent an apartment, he can call Miss Wang at _____.
A.68252503B.58555665C.65433265D.We don’t know
小题3:Kangkang has¥45. What can he buy in Lantian School Things Store?
A. A soccer ball.                             B. A basketball.
C. Some pens.                                 D. B and C.
小题4:Alice wants to be a waitress. She should call Miss Li______.
A.this weekB.on SaturdayC.todayD.every weekday
小题5:Which of the following is NOT true?
A.The walk is ten kilometres’ long.
B.You can call Miss Wang to rent a room at 3:00 p. m. on Monday.
C.Lantian School Things Store is next to No. 3 High School.
D.The waitress should work for eight hours.

2016-05-28 | 0

[ 英语 ] —What's in the icebox —A few ______, but litt

—What's in the icebox?
—A few ______, but little ______.[    ]
A. apple, milk
B. apple, milks
C. apples, milks
D. apples, milk

2016-05-28 | 0

[ 英语 ] There _____ in this room. [     ] a. are too

There _____ in this room. [    ]
a. are too much furniture
b. is too many furnitures
c. are too much furnitures
d. is too much furniture

2016-05-28 | 0

[ 英语 ] In the experiment the scientist kept a watchf

In the experiment the scientist kept a watchful eye________the developments and recorded every detail.
A.inB.at C.forD.on

2016-05-28 | 0