天然物的衍生物甜味剂是从天然物中经过提炼合成而制成的高甜度的安全甜味剂,包括( )及蛋白质类甜味剂。
A. 蔗糖衍生物
B. 二肽衍生物
C. 二氢查尔酮衍生物
D. 糖醇再加工甜味剂
索马甜对热相当稳定,其甜味出现得慢,消失得也慢。
A. 对
B. 错
Ignore, for a moment, the fact that millions of Japanese ____________ to have a bath.
A. go on for holiday
B. go on holiday
C. go on a holiday
D. go on holidays
His parents will _____________ to breathe fresh air.
A. go on holiday
B. go on a holiday
C. go to holiday
D. go to a holiday