与白假丝酵母菌相区别的新型隐球菌的特征是()A．可形成后膜孢子 B．有荚膜 C．分解

宋代民谚“苏湖熟、天下足”中的“苏湖”指今天的

A．苏州和湖州

B．江苏和湖北

C．苏州和芜湖

D．江苏和湖南

原发性恶性骨肿瘤的X线片表现为

A．骨膜反应

B．骨质破坏

C．边界不清楚

D．死骨形成

E．表面不光滑

We should let more young parents and their children can enjoy scientific early education.()

A. provide more young parents and their children to enjoy early education

B. provide more young parents and their children to enjoy early education and scientific

C. provide young parents and their children enjoy more scientific early education

D. provide young parents and their children with more early education services

简述三角洲的形成过程？

什么叫计量标准？它的作用是什么？