The scientist has made quite a few discoveries, ______ of great importance to the whole world.
A.which I think they areB.which I think are
C.I think which areD.that I think they are
B
此題考查非限定性定語從句。非限定性定語從句不能用關(guān)系代詞that來引導(dǎo),因而排除D.項(xiàng);[C]項(xiàng)語序不對;在以Which開頭的[A]、B.項(xiàng)中,關(guān)鍵要識(shí)別出插入語“I think”,這樣顯然[A]項(xiàng)中的they為多余的詞,因此B.項(xiàng)為正確答案。
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