根据句意和汉语注释,写出单词的正确形式.
____ The government has________________(意识到)the importance of protecting the environment.
____ He was ten minutes late for the _________________(大型会议) last Friday.
____ The charity show had lots of support from local ________________ (企业).
____ Usually the capital city is the _________________ (文化) centre of that country.
____ If you answer a question _______________ (错误), you will lose a point .

如图所示的电路中，电源的电动势E和内电阻r恒定不变，电灯L恰能正常发光，如果变阻器的滑片向a端滑动，则（    ）