Question

【题目】Recent research has ________ the causes of the mysterious disease that has claimed thousands of lives.
A.cast light on
B.caught hold of
C.made sense of
D.laid stress on

Answer 1

【答案】A
【解析】句意：最近的研究可以使人了解这种夺取成千上万人的神秘疾病的原因。A. cast light on使（问题等）较容易理解；B. caught hold of抓住；C. made sense of理解，领域；D. laid stress on重视，强调。A项符合语境。