二元共晶相图形成的条件是组成合金的两组元在液态下无限互溶而在固态下有限互溶。
参考答案：对
读一读，看一看，写一写。
I made a survey yesterday. My friend Amy had a bowl of _ 1 _ for breakfast. Zhang Hua had _ 2 _
_ 3 _ for breakfast. Mike had_ 4 _and an _ 5 _ for lunch. No one had _ 6 _ 7 _ 8 _
for dinner. But they all ate 9 _ and 10 _
早期检测凋亡最好的方法是（）
A.DNAladder
B.Annexinⅴ法
C.Hoechst33258染色荧光显微镜观察
D.HE染色光镜观察
E.电子显微镜观察
for dinner. But they all ate 9 _ 
and 10 _ 