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有如下定义 test 要改变span的背景色代码为: A. document.getElementById("aa").background-color=''red"; B. document.getElementById("aa").backgroundColor=''red"; C. document.getElementById("aa").style.backgroundColor=''red"; D. $("#aa").css({backgroundColor:'red'});
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举一反三
【单选题】For Phillip 'P. J.' Stambaugh, the glamour and gold of the dotcom boom swept him from Ithaca, N.Y. to California's Silicon Valley in 1999. And when Trishna Shah selected a job at an e-commerce strateg...
A.
they are victims of the blowup, of dotcom bubble
B.
the dotcom generation reviews its values
C.
one should be far-sighted in choosing one's career
D.
prosperity may prove to be a curse in disguise
【单选题】If the information technology boom increases investment demand in a small open economy, then net exports ______ and the real exchange rate ______.
A.
increase; appreciates
B.
increase; depreciates
C.
decrease; appreciates
D.
decrease; depreciates
【简答题】听力原文：Thanks to the continuing boom and technology shares on the stock market, this year, the richest have added 5 billion more to their wealth. (54)
【简答题】认知主义学习理论的代表人物有 __________ 、 ___________ 、 ________ 等。
【简答题】认知主义学习理论的代表人物有维特海墨、柯勒、____和____等。
【简答题】The late 20th century witnessed the boom of science and technology,___________giving rise to the wide application of computers.
【单选题】In Florida, officials are trying to______ on the boom in green technology.
A.
act
B.
embark
C.
capitalize
D.
drag
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