第20题: [单项选择]Foreigners often have either specific notions of ______ they think the British are like or, in desperation, wish for a unified picture of national character. A. which B. that C. as D. what 参考答案:D 答案解析:what在此引导介宾从句,也被称为what结构
第21题: [单项选择]知母( ) A. 表面红棕色,味甜而特殊 B. 表面灰黄色,气微,味微甜 C. 表面黄棕色,气芳香,味苦辛 D. 表面类白色,气微,味微苦 E. 表面具环节,味微甘,略苦,嚼之带黏性 参考答案:E 答案解析:[知识点] 根及根茎类中药——知母