# 1
In 1941, a Swiss engineer was taking a walk in the woods. While out for a stroll, George de Mestral found some cocklebur.
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# 2
The cocklebur was a plant comprised of an intricate, yet simple, combination of tiny seeds with thin strands or hooks.
# 3
What is the writer's attitude toward the new inventions?
A. Inventors usually have help from a third party to perfect their design
B. Labor and financial resources have led to useful inventions.
C. Innate curiosity often leads to simple but important discoveries
D. Walking in the woods is often helpful in coming up with new ideas.
# 4
What is the writer's purpose in the third paragraph?
A. To explain about French textile factories
B.To talk about different types of fasteners
C. To demonstrate how lucky it is to get suitable nylon
D. To show the difficulty of making an interlocking loop
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