4.王老師站立在僅剩兩面牆壁的空曠廢墟內,她用力吹哨後 0.4 秒聽到哨聲經牆壁甲反射的回聲,再經 0.1 秒聽到經牆壁乙反射的回聲。已知聲速為 v0,附圖為利用 0.2v0 為基本距離單位所繪出的俯
VI. 文意字彙 14%【題組】67. Residents are concerned about the d________ c increase in the crime rate in this
四、翻譯填空:(每格1分,共10分) 1. 這部動畫片是根據他生動的想像力而成。This film is _____1_____ _____2_____ his vivid imagination.【
3. 因為我們有共同點,所以我們成為了好朋友。Since we have something _____5_____ ______6____, we became good friends.【題組】5