用戶【敏敏】點評問題和點評內容

【評論主題】13.To maintain the machine properly, our main concern is how to reduce the heat generated by _______

【評論內容】federation 聯盟 faction 派別 friction 摩擦  fracture 骨折

【評論主題】【題組】27(A)losses(B)gains(C)failures(D)prices

【評論內容】significant  gains over the past two decades in education 在過去的二十年顯著提升教育