Young horses may develop a______ cough before and during exercise, particularly

游客2024-05-27  10

问题 Young horses may develop a______ cough before and during exercise, particularly when cold air is breathed in during warming-up exercise or under dusty conditions.

选项 A、perpetual
B、permanent
C、chronic
D、sustained

答案 C

解析 近形近义题。chronic 意为“慢性的;长期的”,强调延续时间长的,如a chronic disease(慢性病); [A] perpetual “永久的;不断的”.强调稳定性和持久性;[B]permanent“永久的;不变的”,指总是处于相同的情况和地位,可长期持续下去,永久不变;[D]sustained“持续不变的;不间断的”。
转载请注明原文地址:https://tihaiku.com/zcyy/3608344.html
最新回复(0)