乙醚的闪点为28℃.
参考答案:错
With the teacher's help, Ted is _______ in English than before. So he had made much progress.[ ]
A. interested
B. interesting
C. more interested
D. more interesting
按照项目编排方式分类的量表中,没有()。
A.数字评定量表
B.描述评定量表
C.标准评定量表
D.检选量表和强迫选择评定量表
E.他评量表