Recycling is an excellent way of saving energy and conserving the environment.

Energy saving glass can only be used inbuildings, not in household, furniture and interior decoration.

-Would you like to ________ the performance of newly developed energy saving device?-Sorry, but I am not in the position to ________.

When does China put forward the problem of energy saving? A: 1970-1980 B: 1980-1990 C: 1990-2000 D: 2000-2010

‍In 2008, the first National University Student Social Practice and Science Contest on Energy Saving & Emission Reduction was held at Zhejiang University.‍

The circular economy at social level requires us to build an energy saving, environmentally friendly society and its focus is on maximizing economic benefits. ( )

‍The 5G networks are digital cellular networks, which is aimed at achieving high data rate, reduced latency, energy saving and reduced cost.​

‎About the Characteristics of the National University Student Social Practice and Science Contest on Energy Saving & Emission Reduction, which one is not true?‌ A: Win prizes and Awards. B: Taking “energy saving and emission reduction" as the eternal theme. C: Requiring students to have a wide range of knowledge. D: Students' ability is fully trained. E: The competition works and applications are closely combined.

Which<br/>of the following could be the best title for this passage________?A) Urgent need to recycle used energy-saving bulbs. B) Widely publicized energy-saving bulbs.C) Mercury pollution caused by energy-saving bulbs.D) The special treatment center. A: Urgent need to recycle used energy-saving bulbs.

Which of the following engines has no significant effects on energy saving and emission reduction?_____ A: Electronic-controlled injection diesel engine B: Gas turbine C: Gas engine D: Dual fuel engine