【題組】6.________________ In our age, we must use s___t, water, or wind as alternative（替代）energy to sav

問題詳情

【題組】6.________________ In our age, we must use s___t, water, or wind as alternative（替代）energy to save our earth.

參考答案

答案：C
難度：簡單0.833333
統計：A(17),B(18),C(255),D(11),E(0)

用户評論

【用戶】wind2965

【年級】高二上

【評論內容】凸面鏡會放大，平面鏡僅反射一樣大小的視野