______that blood diseases are going to continue, we’ll have to______ them. 

A．Assumed; doing research atB．Assuming; do research on
C．Assuming; do research forD．Being assumed; do research on

B

解析試題分析：第一空考查現(xiàn)在分詞做狀語(yǔ)，assuming that假定…,第二空考查詞組：do research on對(duì)…做調(diào)查，句意：假設(shè)血液病要繼續(xù)，我們不得不做研究。選B。
考點(diǎn)：考查現(xiàn)在分詞做狀語(yǔ)
點(diǎn)評(píng)：英語(yǔ)中有些評(píng)述性狀語(yǔ)，象：judging by…，assuming that…，generally speaking deng。要熟記。

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