全国人大有权撤销或者改变全国人大常委会决定的根据是
A.违反宪法
B.违反法律
C.不适当
D.不合理
参考答案:C
Helen said that they ________ for 3 years.
A.had married
B.married
C.had been married
D.had marriage
说明制作环氧树脂塑料模几种原材料名称及配方。