中国药典规定灰分测定的温度是()
A.400℃~500℃
B.500℃~600℃
C.600℃~700℃
D.700℃~800℃
E.800℃~900℃
参考答案:B
. I think the house is____ large for a family of four people and the price is very reasonable.
A.too
B.rather
C.fairly
D.a little
影响学习的成就动机的是什么?