下面哪一项不是早期唐代人对山水画的评价：（）
A.不真实
B.山水都是附带的
C.赞扬肯定
D.比例有问题
参考答案：C
Measures have to be taken to teach young people how to _____ themselves both in family and in school.
They don't know the basic manners. [ ]
A. do
B. perform
C. behave
D. work
如果碱溅入眼中，应先用（）洗，再用水洗。
A直接用水
B2%的NaHCO3
C0.3mol/lHAc
D2%
