按国际和我国标准,线只能用做保护接地或保护接零线。()
A. 黑色
B. 黄绿双色
C. 蓝色
D. 以上都不对
查看答案
“禁止攀登,高压危险!”的标志牌应制作为()。
A. 以上都不对
B. 白底红边黑字
C. 白底红字
D. 红底白字
Put the events in the correct ordera) Rosa Parks said "NO".b) Emancipation Proclamationc) The colonists destroyed the British tea.d) The Pilgrims founded Plymouth.e) The North won the Civil War.f) The Declaration of Independence was written.g) M. L. King gave the "I Have a Dream" speech.h) Columbus discovered America.1.______ 2.______ 3.______ 4.______ 5.______ 6.______ 7.______ 8.______
Match the items in Column A with the items in Column B, only one answer (letter) for one blank. A1. Edinburgh Festival______ 2. Alde burgh Festival______ 3. the Beatles______ 4. Britpop______ 5. Eton______ Ba. a type of music style in the 1990sb. a music composerc. mainly an art festivald a prestigious private schoole. a 19th century playwrightf. a distance learning universityg. a festival of modern musich. an institution of higher educationi.a festival of classical musicj .a most influential rock band
American public schools are supported by taxes and controlled by the federal government.