根据汉语提示完成句子

1. If you have any difficulty, please                        （让我知道）.

2. We always                                         （帮农民种树）when spring comes.

3. Lucy wants to                        （同……交朋友）more boys.

4. I passed the English exam                （由于）your help.

5. It                 （看来）the book is too difficult for us.

发生液化性坏死的基本条件应包括

A．含有较多的可凝固蛋白

B．组织淤血较严重

C．组织比较松软

D．产生蛋白酶较多