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The ability to store knowledge makes computers different from every other machine ______ invented.　　

A) ever    adv. 永遠(yuǎn)；曾經(jīng)；究竟　　

B) thus adv. 因此；從而；這樣；如此

C) yet adv. 還；但是；已經(jīng)　　

D)as  adv. 同樣地；和…一樣的　　

ever這里是副詞，和invented一起做machine的后置定語，過去分詞表示被動(dòng)。　　

求解：其他三項(xiàng)如何解釋，b與c如何辯別

4. The relationship between employer and employees has been studied ____.

A. originally   adv. 最初，起初；本來

B. extremely          adv. 非常，極其；極端地　　

C. violently  adv猛烈地，激烈地；極端地   

深入的

雇傭者和受雇傭者之間的關(guān)系已經(jīng)被深入研究過

The computer revolution may well change society as ______ as did the Industrial Revolution.　　

a．certainly   b ．insignificantly c． fundamentally d． comparatively　　

正確答案：C
表示計(jì)算機(jī)革命和工業(yè)革命一樣給社會(huì)造成的改變是根本的
c. fundamentally 根本性地
a. certainly 當(dāng)然地
b. insignificantly 沒有意義地
d. comparatively 相比較而言　　

Floods cause billions of dollars worth of property damage _______.
a、relatively adv. 相當(dāng)?shù)兀幌鄬?duì)地，比較地

b、actually adv. 實(shí)際上；事實(shí)上　　

c、annually  adv. 每年；一年一次　　

d、comparatively  adv.比較地；相當(dāng)?shù)?/SPAN>　　

正確答案：C
每年洪水都帶來數(shù)億美元的財(cái)產(chǎn)損失。