If the jewelry is marked 14 parts of gold mixed with 10 parts of base metal, it will always bear __ mark.
A．a ***
B．a 10K
C．an 18K
D．a platinum

听力原文：W: Do you like reading books？
M: No, I like watching TV.
Q: What does the man like to do？
（23)
A．He likes reading books.
B．He likes listening to the radio.
C．He likes watching TV.

Some philosophers insist that one way to __ knowledge is through an empirical approach.
A．disseminate
B．classify
C．test
D．acquire

Mr. Li is __ Mr. Wang.
A．as tall or taller
B．tall as or taller than
C．taller or as tall as
D．taller than or as tall as

The word they in the passage refers to
A．academies.
B．conventions.
C．members.
D．ideals.

How is it possible to recognize an object when only part of it is visible？
A．The brain recognizes symmetry and visualizes the whole.
B．The object is often familiar enough to be recognized.
C．The pieces are large even though some are missing.
D．The principles for identification can be learned,