题目: 枸杞子过量致肝损害的主要成分是()A.甘草苷元 B.甘草甜素 C.烟酸 D.胡萝卜素 E.枸杞多糖 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0826/e00fff682955a98dbe84e328c5a325a5.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:选择题 The official was looking at a postcard sadly ____ his workmate came in. [ ]A. while B. when C. afterD. before 查看答案