题目

放在高浓度的蔗糖溶液中,会发生质壁分离的细胞是() A . 人的口腔上皮细胞 B . 洋葱表皮细胞 C . 去掉细胞壁后的豌豆根细胞 D . 蛙的红细胞 答案:BThis piece of music ____ him ____ one of the most popular singers.A.makes, becomesB.make, becomeC.made, becameD.made, become
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