何为化学灼伤?
参考答案:化学物质在人的皮肤上或眼睛上能与组织夺去细胞生存所必需的水份,破坏了皮肤的生机,称为化学灼伤。
Change the forms of the following sentences. 句型转换。
1. There are some people in the park.(改为一般疑问句)
2. My mother will go to work in the morning.(对划线部分进行提问)
3. I think you are right.(改为否定句)
4. Lynn isn't old enough to go to school.(同义句转换)
5. It is about nine thousand kilometres from Canada to China.(对划线部分进行提问)
“(清前期)苏州机户类多雇人工织。机户出自经营,机匠记日受值,原属相
需,各无异议。”材料反映了苏州( )
A.官营手工业规模不断扩大
B.私营手工业取代官办工场、作坊
C.产生了雇佣劳动关系
D.工匠与机户的关系紧密