溶菌酶能溶解病菌,主要是破坏了病菌的( )
A:细胞壁
B:细胞膜
C:细胞质
D:细胞核
下列关于我国四大高原特征的描述,与对应的高原组合正确的是( )
“有心杀贼,无力回天。死得其所,快哉快哉!”结合如图判断这位维新志士是( )
I don't know he will win tomorrow. I never doubt it will rain tomorrow.