【題組】38. Which of the following can be removed in the primary tanks?(A) Wood. (B) Heavy material.(C)

問題詳情

【題組】38. Which of the following can be removed in the primary tanks?
(A) Wood.
(B) Heavy material.
(C) Grease.
(D) Organic matter.

參考答案

上一篇 : 11. 如圖(十九)，有一圓及長方形 ABCD，其中 A、B、C、D 四點皆在圓上且。今分別以為邊長作甲、乙兩正方形。若圓半徑為 1.5 公分，則甲、乙面積和為多少平方公分？ (A) 4.5 (
下一篇 : 【題組】37. Which of the following is NOT a reason for developing more effective systems to deal with wa