The energy is saved because ______.
A: the factory only needs ten people to produce glasses
B: in the new way, broken bottles can be used, too
C: the inventors received worldwide patent rights to own the process they developed
D: the glass is heated to strengthen it
A: the factory only needs ten people to produce glasses
B: in the new way, broken bottles can be used, too
C: the inventors received worldwide patent rights to own the process they developed
D: the glass is heated to strengthen it
举一反三
- Energy saving glass can only be used inbuildings, not in household, furniture and interior decoration.
- If a language is not used by people， it is called a dead language。 A dead language cannot live and grow （ ）。 A: because no one speaks it B: because only a few speak it C: because people don’t think it useful D: because too many people use it
- The energy, gas and water bills can be saved not only by 9)________________ on and off and controlling electrical appliances,
- More and more people ____ the new energy because it is clean and cheap.
- _____is made of______. A: Glass, glasses B: A glass, glass C: A glass, glasses D: Glasses, glasses