57.（）

Directions:In each of the following groups of words, there are four underlined letters or ltter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation. Mark your answer by blackening the corresponding letter on the Answer Sheet

• A、 sweat

• B、 please 

• C、beat

• D、meat

What is the passage mainly about?

• A、Socrates’beliefs of philosophy.

• B、Socrates’outlook on death,

• C、Socrates’influence on youths.

• D、Socrates' questions about universe.