热点试题

[ 数学 ] 1、用简便方法计算-19+28+19+（-8）=______．

1、用简便方法计算-19+28+19+（-8）=______．

2016-05-17 |

[ 数学 ] 计算：x+1x2+2x+1÷x+1x-1

计算：

x+1

x2+2x+1

x+1

x-1

2016-05-18 |

[ 数学 ] 的分子加上6，如果要使这个分数的大小不变，分母应该（） A．加上20 B．加上6 C．扩

的分子加上6，如果要使这个分数的大小不变，分母应该（　　）

A．加上20

B．加上6

C．扩大2倍

D．增加3倍

2016-05-21 |

[ 数学 ] 一套校服共60元，如果裤子的单价是上衣单价的13，上衣和裤子的单价各是多少元？

一套校服共60元，如果裤子的单价是上衣单价的

，上衣和裤子的单价各是多少元？

2016-05-21 |

[ 数学 ] 当实数，满足时，恒成立，则实数的取值范围是________.

当实数

，

满足

时，

恒成立，则实数

的取值范围是________.

2016-05-24 |

[ 英语 ] When I got home, I found the door open. A．ter

When I got home, I found the door open. A．terrible thought me—had anyone broken.
A．beat B．knocked C．struck D．appeared

2016-05-27 |

[ 英语 ] 根据句意和首字母或汉语提示，拼写单词。 1. We are now studying Ch

根据句意和首字母或汉语提示，拼写单词。

1. We are now studying Chinese, English, M__________ and other lessons.
2. Don't worry. Let me h__________ you find your book.
3. We all know there are seven days in a w__________.
4. Millie and her sister w__________ the coats like yours.
5. Kate is good at swimming. She is a m__________ of the school swimming club.
6. Alice has six new __________(照片) of her family.
7. Excuse me, can I __________ (借) your rubber.
8. Do you like listening to__________ (音乐).
9. Lucy is always __________ (有礼貌的)to others.
10. My _________ (最喜欢的) subject is English.

2016-05-28 |

[ 英语 ] 根据句意及首字母提示补全单词。1. I'm b_____ at English than

根据句意及首字母提示补全单词。
1. I'm b_____ at English than maths.
2. He likes to do the s_____ things as me.
3. She is much q_____ than me.
4. He usually does his s_____ after school.
5. He is more p_____ than his classmate.

2016-05-28 |

[ 英语 ] _______you've got a precious chance, you migh

_______you've got a precious chance, you might as well make full use of it. [ ]

A. In case
B. Now that
C. Even though
D. The moment

2016-05-28 |

[ 物理 ] 如图所示，固定斜面倾角为θ，整个斜面分为AB、BC两段，且2AB=BC．小物块P与AB、B

如图所示，固定斜面倾角为θ，整个斜面分为AB、BC两段，且2AB=BC．小物块P与AB、BC两段斜面之间的动摩擦因数分别为μ₁、μ₂．已知P由静止开始从A点释放，恰好能滑动到C点而停下，那么θ、μ₁、μ₂间应满足的关系是（　　）

A．tanθ=

2μ1+μ2

B．tanθ=

μ1+2μ2

C．tanθ=2μ₁-μ₂

D．tanθ=2μ₂-μ₁

2016-06-02 |