The two pharmaceutical companies collaborated in developing new drugs to______the pain of patients in the terminal stages of cancer.
A、
alleviate
B、
confront
C、
insulate
D、
terminate
【正确答案】
A
【答案解析】
各项的意思是：alleviate减轻，缓解，缓和；confront勇敢地面对，正视；insulate使绝缘，使隔离；terminate结束，使终结。根据句意判断，答案是A。
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