热点试题

[ 数学 ] 请写出一个以x=-2y=1为解的二元一次方程组:______.

请写出一个以
x=-2
y=1
为解的二元一次方程组:______.

2016-05-18 | 0

[ 数学 ] 幂的乘方。(1)(a3)5;(2)(-x3)2·(-x2)3;(3)(m2n-1)2·(m

幂的乘方。
(1)(a35
(2)(-x32·(-x23
(3)(m2n-12·(mn+13
(4)[(3x+2y)2]3·[(3x+2y)3]2
(5)2(a52·(a22-(a24·(a32

2016-05-18 | 0

[ 数学 ] 小丹看一本故事书,上午看了全书的49,下午比上午多看了全书的19.(1)下午看了全书的几分

小丹看一本故事书,上午看了全书的
4
9
,下午比上午多看了全书的
1
9

(1)下午看了全书的几分之几?
(2)这本书看完了吗?

2016-05-21 | 0

[ 数学 ] 列式计算(1)3.2乘40的积减去7,5除以0.15的商,得多少?(2)4.75比一个数的

列式计算
(1)3.2乘40的积减去7,5除以0.15的商,得多少?
(2)4.75比一个数的2,5倍少1.5,求这个数?

2016-05-21 | 0

[ 数学 ] (5分)设集合A={x|x+2=0},集合B={x|x2﹣4=0},则A∩B=( )A.{

(5分)设集合A={x|x+2=0},集合B={x|x2﹣4=0},则A∩B=(  )
A.{﹣2}B.{2}C.{﹣2,2}D.∅

2016-05-22 | 0

[ 语文 ] 给加粗的字注音。面面相觑(    )    倏(     )忽      藐小( )  驾

给加粗的字注音。
面面相(    )    (     )忽      藐小( )  驾( )  (     )慕 

2016-05-26 | 0

[ 英语 ] —Terra, you shouldn’t be so ______. You alway

—Terra, you shouldn’t be so ______. You always leave your things everywhere.
—Sorry, mom. I’ll put them away soon.
A.terrifiedB.cheerful
C.frightenedD.careless

2016-05-28 | 0

[ 英语 ] It ______ to drive after drinking wine.      

It ______ to drive after drinking wine.
                                                                                                                                                        [     ]
A. is allowed
B. is not allowed
C. is made
D. is welcomed

2016-05-28 | 0

[ 英语 ] They often play games ________ free time.A. a

They often play games ________ free time.
A. at        B. on the       C. in their

2016-05-28 | 0

[ 英语 ] What ____ bad weather! It's cloudy again.    

What ____ bad weather! It's cloudy again.            

A. a                    
B. an
C. the                   
D. /

2016-05-28 | 0