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2 某扎染工坊要购买白棉布和橡皮筋用于扎染体验活动，若购买3米白棉布和2包橡皮筋（1包含100根）共花费36元，购买5米白棉布和3包橡皮筋共花费59元。求每米白棉布和每包橡皮筋的价格。
答案
设白棉布每米x元,橡皮筋每包y元.
可列方程组
$\begin{cases} 3x + 2y = 36, \\ 5x + 3y = 59. \end{cases}$
解得
$\begin{cases} x = 10, \\ y = 3. \end{cases}$
所以,每米白棉布10元,每包橡皮筋3元.
可列方程组
$\begin{cases} 3x + 2y = 36, \\ 5x + 3y = 59. \end{cases}$
解得
$\begin{cases} x = 10, \\ y = 3. \end{cases}$
所以,每米白棉布10元,每包橡皮筋3元.
1 Choose the best answer.(根据以下内容,选择最恰当的答案)
Long ago, people noticed that tying cloth tightly before dyeing created white patterns on blue backgrounds. They began to fold the cloth into shapes of flowers, birds, or even the moon, turning each piece into a canvas(画布) for their stories. In Miao culture, certain patterns symbolize good luck, while others represent the mountains and rivers they live by.
What makes tie-dye special is its connection to daily life. Elders pass down the skill from generation to generation, teaching young people how to extract natural dyes, primarily from indigo plants(靛蓝植物). During festivals, men and women wear tie-dyed clothes with patterns that tell their cultural stories. Even today, tie-dye is not just for festivals—you can see it on bags, scarves, and even school uniforms, mixing old traditions with modern life.
“Tie-dye is like our family’s diary,” says a young Miao artist. “Each fold and knot holds our history.” As tie-dye becomes famous worldwide, more people are learning about its cultural magic. It’s not just a craft(手艺); it’s a bridge between the past and the present, showing how traditions can stay alive in new times.
In 2024, China’s first smart robot production line for tie-dye began operating! These robots help artisans make tie-dye faster, but the patterns are still designed by hand. “The robots fold and dye the cloth, but we control the creativity,” explains a local worker. This mix of technology and tradition makes tie-dye even more special. The robots also reduce water waste, contributing to a more eco-friendly(环保的) production process.
Though machines help, the essence(本质,精髓) of tie-dye remains particularly strong in hand-made pieces. Many Miao families continue to hand-make clothes for festivals, preserving the tradition. “Robots can’t replace our stories,” says an elder. From ancient art to smart factories, tie-dye shows its remarkable ability to bridge the past and the future.
(
A. Weather and food.
B. Good luck and nature.
C. Modern movies.
D. School subjects.
(
A. They only make it for festivals.
B. They paint over old patterns.
C. They use it on modern products like bags.
D. They sell it without learning the skill.
(
A. It uses solar energy only.
B. It reduces water waste.
C. It makes plastic patterns.
D. It works only at night.
(
A. The steps to make tie-dye.
B. The cultural value and modern development of tie-dye.
C. How to use indigo plants for dyeing.
D. Where to buy tie-dye products.
Long ago, people noticed that tying cloth tightly before dyeing created white patterns on blue backgrounds. They began to fold the cloth into shapes of flowers, birds, or even the moon, turning each piece into a canvas(画布) for their stories. In Miao culture, certain patterns symbolize good luck, while others represent the mountains and rivers they live by.
What makes tie-dye special is its connection to daily life. Elders pass down the skill from generation to generation, teaching young people how to extract natural dyes, primarily from indigo plants(靛蓝植物). During festivals, men and women wear tie-dyed clothes with patterns that tell their cultural stories. Even today, tie-dye is not just for festivals—you can see it on bags, scarves, and even school uniforms, mixing old traditions with modern life.
“Tie-dye is like our family’s diary,” says a young Miao artist. “Each fold and knot holds our history.” As tie-dye becomes famous worldwide, more people are learning about its cultural magic. It’s not just a craft(手艺); it’s a bridge between the past and the present, showing how traditions can stay alive in new times.
In 2024, China’s first smart robot production line for tie-dye began operating! These robots help artisans make tie-dye faster, but the patterns are still designed by hand. “The robots fold and dye the cloth, but we control the creativity,” explains a local worker. This mix of technology and tradition makes tie-dye even more special. The robots also reduce water waste, contributing to a more eco-friendly(环保的) production process.
Though machines help, the essence(本质,精髓) of tie-dye remains particularly strong in hand-made pieces. Many Miao families continue to hand-make clothes for festivals, preserving the tradition. “Robots can’t replace our stories,” says an elder. From ancient art to smart factories, tie-dye shows its remarkable ability to bridge the past and the future.
(
B
) (1) What do Miao tie-dye patterns represent in their culture?A. Weather and food.
B. Good luck and nature.
C. Modern movies.
D. School subjects.
(
C
) (2) How do young people keep tie-dye alive today?A. They only make it for festivals.
B. They paint over old patterns.
C. They use it on modern products like bags.
D. They sell it without learning the skill.
(
B
) (3) Why is the new production line better for the environment?A. It uses solar energy only.
B. It reduces water waste.
C. It makes plastic patterns.
D. It works only at night.
(
B
) (4) What is the main idea of the passage?A. The steps to make tie-dye.
B. The cultural value and modern development of tie-dye.
C. How to use indigo plants for dyeing.
D. Where to buy tie-dye products.
答案
(1) B (2) C (3) B (4) B
