In 1941, a Swiss engineer was taking a walk in the woods. While out for a stroll, George de Mestral found some cocklebur.

The cocklebur was a plant comprised of an intricate, yet simple, combination of tiny seeds with thin strands or hooks.

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.

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

In the context of the passage, what's the closest meaning to supplant?

• A.strip off
• B.replace
• C.produce
• D.explan

Which of the following is true?

• A. Velcro was invented by a Swiss engineer.
• B. The hooks on the cocklebur seeds easily fall off the clothes.
• C.De Mestral gave the exclusive distributor rights to another company.
• D. The prototype of Velcro was perfected by one of the NASA engineers.

In what year was patenting Velcro?

• in 1955

• 1955

What happens when hooks and loops touch?

• A. Their sides press on each other.
• B. They often repel each other.
• C. They intertook with each other.
• D. They easily oull apart and fall.

What is the course code for this?

• A.EN30252
• B.EN30522
• C.EN30225
• D.EN30025

NASA astronauts use Velcro to attach bags full of supplies and food inside their space capsules.

Who invented Velcro, and what inspired him?

• A.Thomas Edison, inspired by magnets
• B.Alexander Graham Bell, inspired by sound waves
• C.George de Mestral, inspired by cocklebur seeds sticking to his clothes
• D.Nikola Tesla, inspired by electricity

What year did George de Mestral discover the concept for Velcro?

• A.1935
• B.1941
• C.1955
• D.1960

What natural element inspired the design of Velcro?

• A.Spider webs
• B.Pinecones
• C.Flower petals
• D.The cocklebur plant

In the story Cinderella How many dwarfs are there?

• 0

• -

In which room do I see you?

• ICU