At that time, the study on the development of vaccines became more urgent, as th

游客2025-01-28 18

问题 At that time, the study on the development of vaccines became more urgent, as the pandemic heightened people’s worries.

选项 A、intensified
B、lowered
C、accelerated
D、slowed

答案 A

解析 heighten(加强)；intensify(加强，增强)；lower(降低)；accelerate(加速)；slow(减缓)。

转载请注明原文地址:http://tihaiku.com/zcyy/3932347.html

相关试题推荐

随机试题

最新回复(0)

Instead,theagencywouldofferitsservicesinresearchanddevelopmenttobutt