Directions: Complete the passage with the best choice. Researchers are attempting to create the computer equivalent of human cognitive abilities, and they have had considerable success....................... . But as little as 50 years ago, how would people have reacted to a machine that corrected errors in spelling and grammar!

The research community, underestimating the incredibte abilities of the human brain, seriously misjudged how difficult the task would be

In the field of intelligence, how does man compare with machines?

Man was certainly reluctant to admit that machines could be physically stronger than man.

The chess machine is an interesting example in theory since all one had to do was create a computer chip that could analyze several million chess positions per second.

For instance, we now have computerized spelling and grammar checkers; they are standard components of all word processors today