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【单选题】
第一块太阳能电池是在( )年问世的。A.
、 1810
B.
、 1887
C.
、 1857
D.
、 1839
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举一反三
【单选题】So far, however, we seem oblivious of the fragility of the earth's natural systems.
A.
weakness
B.
sensitivity
C.
uncertainty
D.
sickness
【判断题】Marketers need to understand that, in cyberspace, paid media is essentially dead; consequently, they should no longer expend any resources into paid media.
A.
正确
B.
错误
【简答题】So far, however, we seem oblivious of the fragility of the earth's natural systems. (Para. 16)
【单选题】The two parties failed to reach an agreement; consequently, they _________their disputes for arbitration.
A.
guaranteed
B.
sponsored
C.
submitted
D.
hailed
【单选题】They hung ______ at home waiting for a phone call and consequently missed the train.
A.
up
B.
back
C.
about
D.
down
【单选题】Because the officers did ______ planning, they consequently made one mistake after another.
A.
a few
B.
much
C.
little
D.
many
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