試題選項拼字練習 (100年指考第8題)
100年指考第8題
請按滑鼠或字鍵選出正確或最適當的答案:
Most earthquakes are too small to be noticed; they can only be detected by _____ instruments.
參考詞彙 附 錄第一級第二級第三級第四級第五級第六級