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

题型：不详难度：来源：

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

A．Assumed; doing research at	B．Assuming; do research on
C．Assuming; do research for	D．Being assumed; do research on

答案

B

解析

试题分析：第一空考查现在分词做状语，assuming that假定…,第二空考查词组：do research on对…做调查，句意：假设血液病要继续，我们不得不做研究。选B。
点评：英语中有些评述性状语，象：judging by…，assuming that…，generally speaking deng。要熟记。