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The discovery of the new drug is of great ____ to people who suffer from heart problems.
A．a(chǎn)ppreciationB．significanceC．satisfactionD．guidance
B

試題分析：考查名詞。A欣賞，感激；B重要性；C滿意；D指導(dǎo)。這里考查be of +抽象n，相當(dāng)于be + adj.句意：新藥物的發(fā)現(xiàn)對患心臟病的人及其重要。故B正確。
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