Question 1

We read in the text "Humans started out as wormlike creatures that used one end of the body to move forward." The expression "move forward? means...

Accepted Answer

advance

Answer

walk

Question 2

Next, we read "Ever so slowly, a bunch of nerves began developing at that one end — the head. " What does "a bunch of" mean?

Accepted Answer

It means "many". We use "a bunch of" as an informal way to say it.

Answer

It means "many". We use "a bunch of" as a more formal way to say it.

Answer

It means "not so many". We use "a bunch of" as an informal way to say it.

Question 3

In the text we read the words "wormlike" and "ape-like". What does it mean?

Accepted Answer

It means they were similar to a worm and an ape, respectively.

Answer

It means they liked worms and apes.

Answer

It means they were actually worms and apes.

Question 4

We read "It is so complex that it took about 700 million years to develop". What does "develop" mean?

Accepted Answer

Evolve or expand; to gradually become clearer or more detailed

Answer

A type of envelope; a special kind of material used for thousands of years

Question 5

"Believe it or not, people used to think of the brain as useless stuffing. ".  As used here, what does "useless stuff" mean?

Accepted Answer

unused new neurons

Answer

unimportant lobes on the surface of the cerebral cortex

Answer

unimportant material

Question 6

In the last paragraph we read "Which do you think is more powerful: your brain or a supercomputer?". What is a supercomputer?

Accepted Answer

It is a computer with high level of performance compared to a general-purpose computer.

Answer

It is a low cost computer with a regular and stable performance, but high maintenance cost.

Answer

It is a computer with a low level of performance, but high cost compared to a general purpose computer.

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