防触电保护不仅依靠基本绝缘,而且具有附加安全措施,但没有保护接地措施,为()灯具。
A.Ⅰ类
B.Ⅱ类
C.Ⅲ类
D.0类
参考答案:B
A: Nancy doesn’t look very well. What’s wrong with her?
B: She has a terrible headache because she ______ too long. She should stop to have a good rest.
A.has been writing
B.had written
C.is writing
D.was writing
国家实行占用耕地补偿制度。非农业建设经批准占用耕地的,按照“( )”的原则,由占用耕地的单位负责开垦与所占用耕地数量和质量相当的耕地。
A.谁占用,谁开垦 B.谁开垦,谁受益C.占多少,垦多少 D.谁占用,谁负责