【单选题】There are many reasons underlying today's environmental problems EXCEPT ______.
A.
accelerating decline in the quality of the environment
B.
rapidly expanding human population
D.
growing demands in the environment
【单选题】What has the telephone done to us, or for us, in the hundred years of its existence? A few effects suggest themselves at once. It has saved lives by getting rapid word of illness, injury, or fire from...
A.
The telephone has helped to save people from illness and fire.
B.
The telephone has helped to prevent wars and conflicts.
C.
The telephone has made the modern city neither better nor worse.
D.
The telephone has had positive as well as negative effects on us.
【简答题】量化位数决定了音乐的____,指的是每个采样点所代表音频信号的____。
【单选题】听力原文: William Shakespeare was christened in the market town of Stratford on Avon, Warwickshire, on April 26,1564 traditionally, his actual birthday was three days earlier, on St. George's day, the sam...
【单选题】The word 'accentuate' ( Line 4, Para. 3) most probably means '______'.
【多选题】我国七大方言区和对应的代表方言是( 1 )——北京话、( 2 )——上海话、( 3 )——长沙话、( 4 )——南昌话、( 5 )——广东梅县话、( 6 )——福建话、( 7 )——广东话。