多发性脑出血通常不继发于()
A.血液病
B.脑淀粉样血管病
C.新生物
D.血管炎
E.高血压
参考答案:E
— ?
—Two hundred yuan.
A.How much is this apple
B.How is your schoolbag
C.How much is that recorder
D.How do you like this recorder
由于溶质原子进入溶剂晶格的间隙或结点,使晶格发生畸变,使固溶体硬度和强度升高,这种现象称为()。