EPQ人格量表中的英文缩写N指的是()量表。
A.神经质
B.精神质
C.内外向
D.掩饰性
参考答案:A
—Why is the house in a mess?
—I it for Christmas since three days ago.
A.cleaned
B.cleans
C.have cleaned
D.have been cleaning
扩散脱氯的最大优点是()。
A、污染钢液
B、不污染钢液
C、净化钢液