以下（）不是液体药剂的常用甜味剂。
A.甜味剂
B.芳香剂
C.胶浆剂
D.着色剂
参考答案：D
After the students ______ their exams, they celebrated by having a party. [ ]
A. passed
B. failed
C. joined
D. gave
结构化设计方法在软件开发中用于( )。
A．概要设计
B．程序设计
C．详细设计
D．可行性分析
ents ______ their exams, they celebrated by having a party. [ ]