22. Antibodies _____ by small, round cells called lymphocytes and plasma cells.(A) to be made(B) mak

問題詳情

22. Antibodies _____ by small, round cells called lymphocytes and plasma cells.
(A) to be made
(B) making
(C) made
(D) are made

參考答案

上一篇 : 25「據美國能源部分析，美國用於核能研發的支出總計達 600億美元，提供了美國20％的電力；反觀太陽能和地熱方面等再生能源的研發花費了220億美元，卻只提供3％的電力。」下列推論，何者最能涵蓋這段文字
下一篇 : 15. The soup may taste very _____ since the cook has added a lot of pepper to it.(A) hot(B) hotly(C)