第28题: [多项选择]菟丝子、沙苑子的共同功效是()。 A. 补肾固精 B. 养肝明目 C. 止泻 D. 安胎 E. 生津 参考答案:A, B
第29题: [单项选择]When it was clear ______ she did not speak a word of English, I tried to talk to her using the Spanish I learned while living in Europe. A. what B. that C. why D. how 参考答案:B 答案解析:[考点] 从句 [解析] that引导的主语从句为真正的主语,it在句中作形式主语。