影响石膏凝固速度的因素不包括（）
A.熟石膏粉与水调和的比例
B.搅拌时间
C.搅拌时的室温
D.熟石膏的性能
E.以上均不是
参考答案：D
单词拼写(共5小题，每小题2分，共10分)
小题1:There is (没完没了的) work to do when you have children in the house.
小题2:It was a （巧合）that he was born on his mother’s birthday.
小题3:Tang poems have been t into many other languages.
小题4:Those between 16 and 18 are (青少年).
小题5:The girls ran to see the famous star in the f .
MRI是多参数成像，CT成像只有密度一个参数。（）
