Please answer this question. A: Short circuit protection B: Overload protection. C: Under voltage protection. D: Thermal relays protection.

8 A) An environmental protection law has been passed. B) An environmental protection law needs to be passed. C) This passage is about environmental protection. D) The environmental protection law will take effect soon. A: A) An environmental protection law has been passed. B: B) An environmental protection law needs to be passed. C: C) This passage is about environmental protection. D: D) The environmental protection law will take effect soon.

Make the choice: A: An environmental protection law has been passed. B: An environmental protection law needs to be passed. C: This passage is about environmental protection. D: The environmental protection law will take effect soon.

What is the duration of copyright protection for a novel? （ ） A: A novel will not gain copyright protection. B: 70 years from the end of the calendar year in which the author died. C: The day the author dies D: The end of the calendar year in which the author died.

There should be no national boundaries in _________ protection.

‎There should be no national boundaries in _________ protection.‏

Wireless networks need more protection.

Governments now realize the ______________ (important) of environmental protection.

He is ardently ______ (act) for the cause of environmental protection.

Biodiversity protection measurements include legal protection and sustainable management of wild animals. （ ）