Exercise 2
10
Choose the word that is the better fit for each blank.
1. animate / particle
Scientists thought that the tiny___________was not a living thing, so they were very
surprised to find that it was indeed__________ .
2. handy / numerous
My uncle, the carpenter, keeps___________tools in his truck. However, he keeps
the most___________ones on his tool belt at all times.
3. classify / upright
One way that scientists___________the different species of early humans is by how
they walked.
Homo Erectus, for example, walked__________ .
4. longing / plea
After sitting in the cell for just one hour, the prisoner felt a __________ to be free.
He made a ___________to the officers to release him immediately.
5. sophisticated / worthwhile
Learning how to speak another language is a ___________ skill to have in the world
of international business. It also can make one into a more___________ person.
6. review / concept
Jack had a great__________ for a new system, but his boss
needs to conduct a
thorough___________to see if it will work.
7. diagram / isolate
William used a piece of white paperto__________ the different plants in the
garden. That made it easier for him to draw a __________ of the leaves of each type
of plant.
8. constructed / decades
The great pyramids of Egypt were not__________ overnight. In fact, it took many
__________ to complete them.
9. concede / ferry
As he drove his car onto the__________ , John felt sad. He wanted to travel by
airplane, but after looking at ticket prices, he had to ___________that air travel was
just too expensive.
10. refrain / surrender
In maintaining good health, it is important to__________ from eating unhealthy
foods. But that doesn’t mean you must__________ all of the foods that you enjoy.
Anton’s Great Discovery
Anton Van Leeuwenhoek was a Dutch cloth merchant. His life began to change after
he got his first microscope in 1653. It was a very simple microscope. It had a lens in an
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