The frequent ______ from cold to warm weather this spring have caused much illne

游客2025-04-24  2

问题 The frequent ______ from cold to warm weather this spring have caused much illness.

选项 A、transmissions
B、transactions
C、transformations
D、transitions

答案 D

解析 (transition过渡)。句意为:今年春天时冷时暖引发多种疾病。A.transmission传染;B.transaction交易;C.transformation转变,转换。
转载请注明原文地址:https://www.tihaiku.com/zcyy/4051594.html
最新回复(0)