离心泵的特点是什么，适用于哪些范围？

大疱性类天疱疮患者的水疱位于（）

A.表皮内

B.表皮下

C.真皮浅层

D.真皮深层

E.皮下

学龄儿童膳食安排不合理的是（）

A.以植物蛋白为主，以增强记忆力

B.保证早餐营养价值

C.提倡课间加餐

D.食物种类同成人

E.软硬同成人

A client with diabetes is explaining to the nurse how he cares for his feet at home. The nurse could judge from which of the following statements that the client needs further instruction on how to care for his feet properly

A．"I inspect my feet once a week for cuts and redness. "

B．"I am not allowed to use a heating pad on my feet. "

C．"It is important to dry my feet carefully after my bath. "

D．"I should not go barefoot, even in my home. "

对于一手个人住房贷款，商业银行最主要的合作单位是( )。

A．房地产开发商
B．房屋中介
C．房屋评估机构
D．保险公司

（）是在思想上确定对象之间的异同的思维过程。

A.分析

B.综合

C.比较

D.分类