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刷刷题刷刷变学霸
举一反三
【单选题】Text 2 We recently sailed with our research ship through the Red Sea to the Indian Ocean where we did research work for about a year. Our main objectives (目标) were the little-known Maldi...
A.
the coral reef exists in regions with warm climate
B.
the coral reef provides favorable living conditions for them
C.
the creatures are away from the danger of being eaten by sharks
D.
most sea creatures feed on the colourful coral
【单选题】(2011•海南五校联考)The moment________John will never forget is________Mr Smith gave him a lot of valuable advice on how to improve his writing.
A.
that；that
B.
that；when
C.
when；that
D.
when；when