Question

【题目】 Do you want to send a secret message? Here are two wonderful ways to do it!

A lemon juice letter What will you need: A cup of lemon juice A thin paintbrush(画笔) A piece of white paper A light 1.Use the lemon juice to write a message on the paper. When it dries, you can’t see anything on the paper. 2.Give your secret message to a friend or a family member. 3.Ask the person receiving your letter to hold the paper near the light. The light will make the secret message show up! The lemon juice will turn brown.

A mirror message What will you need: A potato A knife A bathroom mirror 1. Use a knife to peel(削皮)the potato. 2. Use the potato to write a message on the bathroom mirror. 3.Your message will be invisible until you take a bath. When you take a bath, close the door. The hot air with water will make your message show. Give someone else a surprise! Write a message on the bathroom mirror for a family member. See how long it takes the person to discover your secret message!

【1】What makes the secret message in “a lemon juice letter” show up?______

A.Air.B.Light.C.Fire.D.Water.

【2】Which is TRUE about the lemon juice letter? ______

A.Only children can make it.

B.The words in the message must be yellow.

C.The lemon juice is brown when you hold it near the light.

D.You can’t see anything when it is wet.

【3】What do NOT you need to make a mirror message? ______

A.A piece of paper.B.A potato.C.A knife.D.A bathroom mirror.

【4】What does the underlined word “invisible” mean? ______

A.奉献的B.强大的C.清晰的D.看不见的

【5】What is the main idea of the passage?______

A.When to use a secret message.B.How to make a secret message.

C.How to use lemon juice.D.How to clean a bathroom mirror.

Answer 1

【答案】

【1】B

【2】C

【3】A

【4】D

【5】B

【解析】

短文大意：短文介绍了两种制作和传递秘密信息的方法。

【1】题意：是什么让“柠檬汁信”中的秘密信息出现的？考查细节理解。根据第一则3.Ask the person receiving your letter to hold the paper near the light. The light will make the secret message show up可知光会让秘密信息显示出来，故选B。

【2】题意：关于柠檬汁的信，哪个是正确的?考查细节判断。A. 只有孩子能做到；文中没有提及可知说法错误。B. 信息中的文字一定是黄色的；根据Use the lemon juice to write a message on the paper.可知说法错误。C. 当你拿着柠檬汁靠近灯光时，它是棕色的；根据The lemon juice will turn brown.可知说法正确。D. 下雨的时候你什么也看不见；根据When it dries, you can’t see anything on the paper.可知说法错误。综合以上分析，故选C。

【3】题意：你不需要什么来制作镜像信息?考查细节理解。根据第二则A mirror message/

What will you need: A potato/ A knife/ A bathroom mirror可知不需要纸张，故选A。

【4】题意：划下划线的单词“invisible”是什么意思?考查词义理解。根据下文When you take a bath, close the door. The hot air with water will make your message show.可知洗澡前看不见信息，故选D。

【5】题意：文章的中心思想是什么？考查主题理解。根据开头Do you want to send a secret message? Here are two wonderful ways to do it可知，短文介绍的是制作和传递秘密信息的方法，故选B。

本文介绍了制作和传递秘密信息的方法，篇幅较长，但内容比较简单，各个小题都能在文中找到适当依据。只要认真阅读短文，注意前后联系，就能顺利完成阅读。主要考查细节理解，做题关键是找出原文的根据，认真核查小题和原文的异同。小题4考查词义理解，问划下划线的单词“invisible”是什么意思；根据下文When you take a bath, close the door. The hot air with water will make your message show.可知洗澡前看不见信息，前三项不合句意，故选D。