【单选题】【消耗次数：1】
下列物质不需水解就能发生银镜反应的是（ ）。
①
葡萄糖
②
蔗糖
③
纤维素
④
淀粉
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【判断题】
生物质可以通过生物转化的方法生产乙醇，淀粉质原料、糖质原料和纤维素原料均可生产乙醇。糖质原料比淀粉质原料简单而直接；淀粉和纤维素制取乙醇需要水解糖化加工过程；纤维素水解比淀粉难得多。
①
正确
②
错误
【多选题】
下列各方法中能用来鉴别乙醛、葡萄糖和蔗糖的有( )
①
先加托伦试剂，再加莫立许试剂
②
先加塞利凡诺夫试剂，再加斐林试剂
③
先加塞利凡诺夫试剂，再加莫立许试剂
④
先加斐林试剂，再加塞利凡诺夫试剂
⑤
先加莫立许试剂，再加溴水
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