With so much momentum pushing for a cure, the emphasis from researchers and frontline oncologists is on more vigilance about the

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问题 With so much momentum pushing for a cure, the emphasis from researchers and frontline oncologists is on more vigilance about the side effects.

选项 A、impulse
B、impediment
C、immunity
D、impatience

答案A

解析 本题考查词义辨析。本题四个选项均为im-开头,A选项意为“冲动;脉搏”,B选项意为“障碍;妨碍:口吃”,C选项意为“免疫力;豁免”,D选项意为“不耐烦,焦躁”。题干替换词意为“势头;动力”。注意本题的pushing for,替换词应该从语义上与其搭配。故选A。
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