2. In production cheaper materials are being __ for the better, more expensive kind.
A: discarded
B: replaced
C: converted
D: substituted
A: discarded
B: replaced
C: converted
D: substituted
举一反三
- In manufacturing, cheaper materials are constantly being ______ for the better and more expensive kind. A: replaced B: transformed C: displaced D: substituted
- In manufacturing, cheaper materials are constantly being _________ for the more expensive kind. A: replaced B: transcended C: transplanted D: substituted
- In recent years, computer are being made ______. A: smaller and cheaper B: larger and more expensive C: more difficult to use D: to work more slowly
- Compared to the labor from other countries, labor in the U.S. is(<br/>) A: less trained B: cheaper C: more expensive D: better trained
- The piano in the other shop will be _____, but _____. A: cheaper; not as better B: more cheap; not as better C: cheaper; not as good D: more cheap; not as good