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    • 這句是被動嗎?

      A new collection (主詞:單數) of programs is being presented in the conference room.這句話的主詞是collection而不是 programs,所以動詞是...

    • 急啊!關於普生(複製及遺傳學這章單元)的問題...

      ...for your ref. 1.How many chromatids are present in one cell? 92 2-1.By the end of metaphase,How...46 5-2.How many chromatids(染色單體) are present in one human cell? 0

    • 段落摘譯...與植物病害有關...謝謝大家!!

      ...disease-causing organisms are present in and around the plant and attack living...dothidea會轉換成寄生物長在死亡組織部份 in the killed tissue. There is a similar development of cankers on...