問題補(bǔ)充：
單選題
If one wants knowledge of science, one must ________ scientific experiments oneself．A.play a part ofB.play the part ofC.play a part inD.take part in
網(wǎng)友答案：
熱心網(wǎng)友 1樓
D解析A項(xiàng)搭配不正確；play the part of“扮演……角色”；play a part in“在……中起作用(冠詞經(jīng)常省略)”；take part in“參加”。
