跨学科数学 You may feel that math is difficult and boring. Is it possible that you've been looking at math in the wrong way? Li Xing, a math professor at Ningxia University, thinks math can be beautiful and fun. I completely agree with what he said.
Numbers are beautiful There is math hidden in beautiful human bodies. Measure(测量) the length from your head to your belly button(肚脐) and from your belly button to your feet. The ratio(比例) of these two numbers is always around 0.618. This is called the "golden ratio". You can see it in many places, like in nature, in music, and in paintings.
In Chinese poems, we can also see the beauty of numbers. As Li Bai wrote, "My skiff(小船) has left ten thousand mountains far away." and "I have sailed a thousand miles through Three Georges in a day."—all these numbers show how fast Li Bai traveled and how happy he felt.
Curves(曲线) are beautiful "Sine curves" are beautiful. They go towards the two opposite directions on and on without ever ending. When you look at them, you may feel like standing by the sea and watching the waves slowly moving. The "tangent curve" is like a waterfall, just as Li Bai wrote, "Dashing(猛冲) down three thousand feet from on high."
Formulas(公式) are beautiful There are some amazing formulas. In a right-angled triangle(直角三角形), the square of the longest side is equal to the sum of the squares of the other two sides. How amazing! Just as
Chinese-American mathematician Shiing-Shen Chern said, "Math is fun!"
任务一 选择正确答案
1. Why does the writer mention Li Bai and his poems in Paragraph 3?
A. To introduce the topic.
B. To support his opinion.
C. To share the beauty of Li Bai's poems.
D. To offer advice on learning math.
2.（创新考法·跨学科融合）What does a tangent curve look like?
3. What is the passage mainly about?
A. Math is beautiful and fun.
B. Math is difficult and boring.
C. How we can learn math in a right way.
D. How math helps us live a better life.
任务二 回答问题
1. What are two examples of numbers showing beauty?
The golden ratio and poems.
2. How do sine curves make people feel?
People feel like watching sea waves.
3. What is an amazing fact about right-angled triangles?
The square of the longest side is equal to the sum of the squares of the other two sides.
4. Who said math is fun in the passage?
Shiing-Shen Chern.
5. Why might math seem beautiful to you?（请自拟一句话作答）
Because it is in poems and art.
