题目列表(包括答案和解析)

 0  240134  240142  240148  240152  240158  240160  240164  240170  240172  240178  240184  240188  240190  240194  240200  240202  240208  240212  240214  240218  240220  240224  240226  240228  240229  240230  240232  240233  240234  240236  240238  240242  240244  240248  240250  240254  240260  240262  240268  240272  240274  240278  240284  240290  240292  240298  240302  240304  240310  240314  240320  240328  447348 

从每小题的四个选项中选出一个能填入题中相应空白处的最佳答案。

21. Which of the underlined parts has a different pronunciation?

A. cheap          B. great         C. easy          D. least

试题详情

听下面A    、B篇的两段对话和C篇的一段独白,并从每小题的三个选项中选出一个正确答案。对话或独白听两遍。

(A)

11.What are the man and woman doing?

A. They are talking on the phone.

B. They are having their summer holiday.

C. They are watching the weather report.

12. What’s the weather like in Sanya now?

A. Hot and dry.            B. Hot and wet.           C. Wet and cool.

13. Where are Mike’s family going to spend their holiday?

A. In Guangdong               B. In Guangxi            C. In Hainan.

(B)

14.Where is the girl from?

A. America.                  B. Canada.              C. England

15. Why does the girl come to China?

A. To see her parents.        B. To go traveling         C. To find a job

16. What will the girl do next year?

A. She will work in China.       

B. She will work in Japan 

C. She will stay in her own country.

17. Why will they have to start early tomorrow?

A. It’s a long way to Cheater.

B. There’s only one bus to go to Cheater

C. They will have an early breakfast

18. When will the bus leave?

A. Before 8:30             B. At 8:30              C. After 8:30

19. Where is the first place they will visit?

A. An old palace.               B. A beautiful park        C. An old market

20. How much should one pay for the palace?

A. £3.15                B. £3.50              C. £8.00

试题详情

根据你听到的小对话从每小题的三个选项中选出正确答案。每小题听两遍。

6. Where does the conversation probably take place?

A. In a classroom.               B. In an office               C. In a hospital

7. What are the man and woman doing ?

A. They’re watching TV       B. They’re talking about a sports program

C. They’re talking about a movie.

8. Where does the woman tell the man to get into the supermarket?

A. From the entrance         B. From the exit          C. From the window

9.What does the man want to do?

A. He wants to mend his trousers              

B. He wants the woman to mend his trousers

C. He wants the woman to mend his shirt

10. Who’s looking for Lily?

A. The man                B. Her boss              C. One of her friends

试题详情

根据你听到的内容从每小题的三幅图片中选出正确选项,每小题听一遍。

试题详情

26.小明将一张矩形纸片沿对角线剪开,得到两张全等直角三角形纸片(如图2),量得他们的斜边长为10cm,较小锐角为30°,再将这两张三角纸片摆成如图3的形状,使点B、F、D在同一条直线上,F为公共直角顶点。然后小明又将图(3)中的△ABF沿直线AF翻折到图(4)的位置,点B落在FD边上的B1点,AB1交DE于点H。

请你说明:(1)AH=DH.;(2)点H在∠AFD的角平分线上。

   

试题详情

25.如图,在△ABC中, D、E分别是AC、AB上的点, BD与CE交于点O. 给出下列三个条件:①∠EBO=∠DCO;②∠BEO=∠CDO;③BE=CD.

  (1)上述三个条件中, 哪两个条件可判定△ABC是等腰三角形(用序号写出所有情形);

  (2)选择第⑴小题中的一种情形, 证明△ABC是等腰三角形.

试题详情

24.如图,在中,上一点,于点有什么位置关系?证明你的结论.

试题详情

23.如图,在平面直角坐标系中,直线L是第一、三象限两坐标轴夹角的角平分线.

  (1)由图观察易知A(0,2)关于直线L的对称点的坐标为(2,0),请在图中分别标明B(5,3) 、C(-2,5) 关于直线l的对称点的位置,并写出他们的坐标:

       、        

  (2)结合图形观察以上三组点的坐标,你会发现:坐标平面内任一点P(a,b)关于第一、三象限两坐标轴角平分线L的对称点的坐标为       (不必证明);

  (3)已知两点D(x, y)、E(-1, 1-3),关于第一、三象限两坐标轴夹角平分线对称,

那么x+3y=      

  (4)请你猜测:坐标平面内任一点Q(m,n)

关于第二、四象限两坐标轴角平分线

的对称点的坐标为    

(不必证明);

试题详情

22.认真观察下面4个图中阴影部分构成的图案,回答下列问题:

 

  (1)请写出这四个图案都具有的两个共同特征.

特征1(对称性):_________________________________________________;

特征2(面积):_________________________________________________.

  (2)请在下图中设计出你心中最美丽的图案,使它也具备你所写出的上述两个特征

 

试题详情

21.已知:如图,上一点,点A、D分别在两侧..求证:

试题详情


同步练习册答案