Professor McDonald's______ knowledge on this subject resulted in his authority in this academic field.
A: extensive
B: excessive
C: expensive
D: intensive
A: extensive
B: excessive
C: expensive
D: intensive
举一反三
- The professor had to explain the profound theory in a/an ____language because of the audience ’ s poor knowledge in this field. A: luminous B: abstract C: dull D: theoretical
- You can improve your listening skills through both intensive and ______ listening.( ) A: extensive B: expensive C: overall D: cohesive
- 6. Don't ________ a new business field without having done extensive homework – or preferably having worked in the field.
- Professor Liu ( ) all his students with his great knowledge of history.
- ____ his knowledge and academic background, he is basically stupid.