《2025年初中英语话题复习暑假作业七年级人教版》

A
Dear readers,
This week we're playing tricks with another fruit — lemon.
Lemons are famous fruits. Some people know them for the sour(酸的) taste. Some people know them for the healthy Vitamin C. But lemons aren't just fruits. Do you ever want to write something
but are afraid others will see it? Try this experiment(实验)!

Like before, if you know how things work, email Mr White.
()46.Which is the right order of the experiment?
A.①②③④ B.②①④③ C.③②①④
()47.What's the use of the cotton swab in the experiment?
A.To remove the dirty things from the paper.
B.To get the water from the bottle onto the paper.
C.To get wet with the lemon juice and write something.
()48.What could best explain why “Magic happens”?
A.Water makes lemon juice change colour.
B.The sour taste of lemons comes from Vitamin C.
C.High temperature changes something in the lemon juice.
()49.Who is Mr White?
A.A person to explain the experiment to people.
B.A person to collect people's explanations of the experiment.
C.A person to show people how to succeed in doing the experiment.
()50.In which part of a children's magazine(杂志) can we see this passage?
A.Food Science B.Wise Cook C.Healthy Drinks

答案： 46. 细节理解题。根据“What to do”中的步骤：② Get some lemon juice into the bottle cap, then add a few drops of water. ① Get lemon juice with the cotton swab and write something with it on the white paper. ④ After writing something down, you will see nothing on the paper. Where is the message? ③ Hold the paper near the candle. Watch as the heat(热度) slowly brings your message to light! 可知实验的正确顺序是②①④③，B选项正确。
47. 细节理解题。根据① Get lemon juice with the cotton swab and write something with it on the white paper. 可知棉签的作用是蘸柠檬汁并在纸上写字，C选项正确。
48. 推理判断题。根据③ Hold the paper near the candle. Watch as the heat(热度) slowly brings your message to light! 可知是高温使柠檬汁中的某些东西发生了变化，从而让信息显现出来，C选项正确。
49. 推理判断题。根据Like before, if you know how things work, email Mr White. 可知Mr White是一个会给人们解释实验原理的人，A选项正确。
50. 推理判断题。本文介绍了一个用柠檬做的实验，属于食物科学范畴，A选项正确。
46. B
47. C
48. C
49. A
50. A