Question

【题目】请阅读下面趣味实验，根据情境先将A、B、C、D四个句子填入第31-34小题中，以便顺利进行该实验；然后完成第35小题。

Reading this message may need a special trick. Here is how you can make the words appear.

You’ll need:

● Half of a lemon

● Cup or small glass with four table spoons of water in it

● Cotton swab (棉签)

● White paper

● Electric lamp

● Milk

You’ll do:

31. ________→32. ________→33.________→34.________

What happens?

Lemon juice is clear, but it contains chemicals that are partly made of carbon (碳). The chemicals break down when they are heated and the carbon causes them to change color.

A. Hold the paper close to the light bulb to heat it. You can see the writing now.

B. Dip the swab into the juice and water mixture and write some words on the paper.

C. Squeeze (挤) some lemon juice into the water and mix them.

D. Let the paper dry. Show it to someone and ask if he or she can see a message on it.

A. Hold the paper close to the light bulb to heat it. You can see the writing now.

B. Dip the swab into the juice and water mixture and write some words on the paper.

C. Squeeze (挤) some lemon juice into the water and mix them.

D. Let the paper dry. Show it to someone and ask if he or she can see a message on it.

【1】______

【2】______

【3】______

【4】______

【5】Which of the following can be the best title?

A. Perfect messages.B. Pleasant messages.

C. Important messages.D. Invisible (看不见的) messages.

Answer 1

【答案】

【1】C

【2】B

【3】D

【4】A

【5】D

【解析】

短文大意：本文介绍了如何制作和阅读隐形消息的方法。

【1】本文介绍制作和阅读隐形消息的方法步骤，根据文意，可知首先要有类似于“墨水”的东西。备选句子Squeeze (挤) some lemon juice into the water and mix them.（把一些柠檬汁挤到水里混合）符合文意，故选C。

【2】根据文意，可知需要在纸上写字。备选句子Dip the swab into the juice and water mixture and write some words on the paper符合句意，故选B。

【3】根据文意，可知需要让别人检验一下是否能看到写的字。备选句子Let the paper dry. Show it to someone and ask if he or she can see a message on it符合句意，故选D。

【4】根据文意，可知应该让文字“显形”。备选句子Hold the paper close to the light bulb to heat it. You can see the writing now符合句意，故选A。

【5】题意：以下哪一个可以是最好的标题?考查标题归纳。根据Reading this message may need a special trick. Here is how you can make the words appear.，结合介绍的方法，可知是看不见的消息，故选D。

补全短文，要求根据上下文用合适的句子填空，使句意通顺，文意连贯，表达顺畅，重在考查学生对所学语言的综合运用能力和对文段的理解判断能力。本题有一定难度，但只要联系整篇短文，把握好上下句的意思和关系，正确作答是不成问题的。