小题1:That is a small city.(变为复数句)

_______ are small _______.

小题2:There are some computers in the library.(改为否定句)

There ______ _______computers in the library.

小题3:Yang Kai is in the classroom now. (划线提问)

________  ______ Yang Kai now?

小题4:I am in Class 5 Grade 7.(一般疑问句)

______ ______ in Class 5 Grade 7?

小题5:They go to school five days a week.(改为否定句)

They _____ ______to school five days a week.

关于坏死，下述描述正确的是（）

A.坏死是可复性改变

B.坏死是指局部组织、细胞的死亡

C.坏死是指机体死亡后组织、细胞出现的形态学改变

D.坏死是指机体内细胞的程序性死亡

E.坏死是以酶溶性变化为特点的活体局部细胞、组织的死亡