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【简答题】
试提出一个发明问题,指出其中未知的关键步骤或相互矛盾的需求,并至少给出3种可能的解。
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皮皮学刷刷变学霸
举一反三
【简答题】The purpose of the article is to explain_________
【单选题】The purpose of the article is to draw public attention ______ the problem.
A.
to
B.
on
C.
in
D.
for
【单选题】The aim of the article is to _____.
A.
show how to use smart cards.
B.
show the difference between ATM card and chip card.
C.
how the smart cards have become popular.
D.
persuade Americans to use smart cards.
【单选题】The purpose of the article is to tell us ______.
A.
the effect of antibiotics
B.
not to use antibiotics unless necessary
C.
that antibiotics are harmfull
D.
that our natural defence systems are superior to antibiotics
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