题目内容
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[主观题]
Petrol is refined from mineral oil, which is superior to coal because it burns well.译：当今，人们对环境的关注已经延伸到了诸如空气污染、噪声污染，乃至不可回收的（)等问题上。
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A.A. fresh
B.original
C.rude
D.crude
更多“Petrol is refined from mineral…”相关的问题
第2题
Petrol is refined from mineral oil, which is superior to coal because it burns well.译：汽油是从（)中提炼出来的，由于其燃烧充分，因而比煤炭好。
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第4题
The shortcomings of the petrol engine in the nineteenth century include the followin
gs except ______.
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A unreliable nature of the ignition system
B very expensive and not efficient enough
C no spark plug is used
D high fire risk caused by petrol
第6题
We have ______ our techniques considerably since the work began.A.refinedB.confinedC.def
A.refined
B.confined
C.defined
D.redefined
第8题
The _______ region is centered largely in the north of the country.A、petrolB、mineralC、t
The _______ region is centered largely in the north of the country.
A、petrol
B、mineral
C、telescope
D、wire
