皮皮学，免费搜题
登录
搜题
【单选题】
按照国标方法（GB5009.8-85），蔗糖的测定需先经盐酸水解，将蔗糖转化为还原糖，再按还原糖测定。水解条件为68～70℃水浴15min，这种水解条件的优点在于（）。A.
其他双糖并不水解。
B.
蔗糖可获得还原性
C.
淀粉可发生糊化
D.
葡萄糖出现旋光性质改变
E.
单糖受到破坏
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】I really am not qualified to ()the safety or lack of safety in drinking this water.
A.
valuate
B.
measure
C.
evaluate
D.
vaulte
【简答题】Health and Safety: the importance of considering health and safety issues when planning office space
【简答题】A．calculating B．supposing C．estimating D．regarding
【简答题】A．having B．seeking C．losing D．regarding
【单选题】According to the factory safety rules, all accidents _____ be reported to the safety officer.
A.
may
B.
can
C.
would
D.
shall
【简答题】an inaccurate forecast regarding the reading habits of children
【简答题】A．regards B．in relation C．with regard D．regarding
【单选题】The radiotelephone safety message urgently concerned with safety of a person would be prefixed by the word ()
A.
Mayday
B.
Pan
C.
Safety
D.
Interco
【单选题】Food Safety and Foodborne Illnesses Food safety is an increasingly important public health issue. Governments all over the world are intensifying their efforts to improve food safety. These efforts ar...
A.
to
B.
against
C.
with
D.
towards
相关题目：
参考解析：
知识点：
题目纠错 0
发布
