热点试题

[ 考点 ] 数学考点：图形与变换（平移和旋转）

平移：
指在平面内，将一个图形上的所有点都按照某个方向作相同距离的移动，这样的图形运动叫做图形的平移运动，简称平移。平移不改变物体的形状和大小。平移可以不是水平的。

旋转：
在平面内，把一个图形绕某一点旋转一个角度的图形变换叫做旋转，这个点叫做旋转中心，旋转的角叫做旋转角，如果图形上的点P经过旋转变为点P′，那么这两个点叫做这个旋转的对应点。

数一数：

2016-05-16 |

[ 数学 ] 如图所示，两人沿着边长为80m的正方形，按A→B→C→D→A……的方向行走。甲从A点以每分

如图所示，两人沿着边长为80m的正方形，按A→B→C→D→A……的方向行走。甲从A点以每分钟60米的速度行走，同时乙从B点以每分钟100米的速度行走，当乙第一次追上甲时，甲将在正方形[ ]

A. DA边上
B. AB边上
C. BC边上
D.CD边上

2016-05-18 |

[ 数学 ] 抛物线y＝x2＋x－k与直线y＝－2x＋1的交点的纵坐标为3。 (1)求抛物线的解析式 (

抛物线y＝x2＋x－k与直线y＝－2x＋1的交点的纵坐标为3。
(1)求抛物线的解析式
(2)求抛物线y＝x2＋x－k与直线y＝－2x＋1的另一个交点坐标．

2016-05-19 |

[ 数学 ] .如图，A，B的坐标为（2，0），（0，1）若将线段平移至，则的值为（）A．2B．3

.如图，A，B的坐标为（2，0），（0，1）若将线段平移至

，则

的值为（　　）

A．2

B．3

C．4

D．5

2016-05-20 |

[ 数学 ] 已知∠A的顶点在原点，一条边在x轴的负半轴上，另一条边经过点（-3，4），则cotA=__

已知∠A的顶点在原点，一条边在x轴的负半轴上，另一条边经过点（-3，4），则cotA=______．

2016-05-20 |

[ 数学 ] 如果大雁向南飞60米记作+60米，那么-60米表示______．一艘潜水艇在海面下55米处

如果大雁向南飞60米记作+60米，那么-60米表示______．一艘潜水艇在海面下55米处，位置表示为-55米，一条鲸鱼在潜水艇的上方10米处，它的位置可表示为______米．

2016-05-21 |

[ 语文 ] 我会填。 1．“办”共有___画，音节是_，笔顺是___。 2．“找”是_

我会填。
1．“办”共有_____画，音节是_____，笔顺是_____。
2．“找”是_____结构，部首是_____ ，共有_____画，第4画是_____。

2016-05-27 |

[ 英语 ] 根据对话情景和内容, 从对话后所给的选项中选出能填入每一空白处的最佳选项,

根据对话情景和内容, 从对话后所给的选项中选出能填入每一空白处的最佳选项, 并在答题卡上将该选项涂黑. 选项中有两个为多余选项。

A: Any good news?
B: Not really. 1 So I was left behind after school yesterday.
A: 2
B: Sometimes I do. The day before yesterday, I was quiet in my history class but I still had to stay after
school.
A: 3
B: Because I fell asleep. But it wasn’t my fault. 4
A: I advise you to take school more seriously. If you don’t pass your exam, you will have to drop out and
work as a result;
B: 5If I have a job, I have to do dull work every day. But now I am in school, I must listen to dull teachers
every day.
A: Something must be wrong with you. Go to the psychologist first.

A: You are lazy.
B: I don’t understand.
C: You made your teacher angry.
D: Better keep quiet in class.
E: The lesson is dull.
F: I don’t think it makes much difference.
G: I was talking without being asked in class.

2016-05-28 |

[ 英语 ] 听下面一段对话，回答第1-3题。1. Why does the man write to

听下面一段对话，回答第1-3题。

1. Why does the man write to his mother?

A. He wants to tell his mother something new.
B. He misses his mother very much.
C. He worries about his mother’s health.

2. What does the man do?

A. He is a worker.
B. He is a student.
C. He is a driver.

3. What can be inferred from the conversation?

A. The man works so hard on his studies.
B. The man has been working for a year in many places.
C. The man doesn’t want his mother to worry about anything.

2016-05-28 |

[ 英语 ] Jane, _______I’ve shared just about everythin

Jane, _______I’ve shared just about everything since the first day of kindergarten, spent the weekend with me last month.

A．who

B．for whom

C．with whom

D．that

2016-05-29 |