问题 填空题

在平面直角坐标系中,若第二象限内的P点到x轴的距离为2,到y轴的距离为3,则P点的坐标为______.

答案

∵P点在第二象限内,

∴P点的横坐标为负数,纵坐标为正数;

∵P点到x轴的距离为2,到y轴的距离为3,

∴点P的横坐标为3,纵坐标为2,即点P的坐标为(-3,2).故填:(-3,2).

阅读理解

阅读理解。

     If you wish to become a better reader, here are four important points to remember about rate, or speed,

of reading:

     1. Knowing why you are reading-what you are reading to find out-will often help you to know whether

to read rapidly or slowly.

     2. Some things should be read slowly throughout. Examples are directions for making or doing something,

arithmetic problems, science and history books, which are full of important information. You must read such

things slowly to remember each important step and understand each important idea.

     3. Some things should be read rapidly throughout. Examples are simple stories meant for enjoyment, news,

and letters from friends, items, or bits of news from local, or hometown, paper, telling what is happening to

friends and neighbors.

     4. In some of your readings, you must change your speed from fast to slow to fast, as you go along. You

need to read certain pages rapidly and then slow down and do more careful readings when you come to

important ideas which must be remembered.

1. According to the passage, your reading speed depends on _____. [ ]

A. whether the reading material is easy or difficult

B. what you are reading

C. what your purpose in reading something is

D. both B and C 

2. If one wants to be relaxed by reading, one should take up _____. [ ]

A. a story book

B. a book on science and technology

C. news, letters from friends

D. some material full of information 

3. Which of the following readings should you read slowly and carefully?[ ]

A. Fairy tales.

B. Aesop's Fables.

C. Directions for use of a machine

D. An evening paper. 

4. Which of the following can best express the main idea of the passage? [ ]

A. How to decide your reading speed.

B. How to raise your reading speed.

C. How to improve your reading skills.

D. How to choose your reading materials.

单项选择题