(
A. half a lemon
B. four spoons of water
C. a piece of white paper
D. milk
(
A. Five. B. Four. C. Three. D. Two.
(
A. A storybook. B. A fashion newspaper.
C. An advertisement. D. A science magazine.
D
)1. If you want to write a secret message,you need the following things except ______.A. half a lemon
B. four spoons of water
C. a piece of white paper
D. milk
(
A
)2. How many steps are mentioned in the passage to write a secret message?A. Five. B. Four. C. Three. D. Two.
(
D
)3. Where is the text probably taken from?A. A storybook. B. A fashion newspaper.
C. An advertisement. D. A science magazine.
答案：1. D 【点拨】 根据“You'll need * half a lemon * a cup * four spoons of water * a cotton swab(棉签) * a piece of white paper * a light bulb”可知，写秘密消息不需要牛奶。故选 D。
2. A 【点拨】 根据“What to do”部分的内容可知选 A。
3. D 【点拨】 根据标题“How to write a secret message”可知，本文是关于如何写秘密消息的，可能出自一本科学杂志。故选 D。
2. A 【点拨】 根据“What to do”部分的内容可知选 A。
3. D 【点拨】 根据标题“How to write a secret message”可知，本文是关于如何写秘密消息的，可能出自一本科学杂志。故选 D。