Revision of unit 6 ◆ I. Expressions o Directions: Turn the following English terms into Chinese without looking at your textbook o1. Superior quality/inferior quality 22. Customary quality/ordinary quality 3. A-1 qualit ◆4.G.M.QRevision of Unit 6 I. Expressions Directions: Turn the following English terms into Chinese without looking at your textbook. 1. Superior quality/inferior quality 2. Customary quality/ordinary quality 3. A-1 quality 4. G. M. Q