下列关—厂梅毒螺旋体及梅毒的描述，有1项错误是A．梅毒螺旋体目前不能用培养基分离培养

（（2）题每空3分，其余每空2分，共12分）A、B、C、D均为中学化学常见的物质，它们之间的反应关系如下图：

回答下列问题：

（1）若A是可溶性的强碱，B是酸式盐，D不溶于稀硝酸，则B的化学式为________________，有关的离子方程式为___________________________________    。

（2）若B是正盐，D既可溶于盐酸又可溶于NaOH溶液。

①若C为能使澄清石灰水变浑浊的无色无味气体，该反应的离子方程式为

____________________________________________________                       。 

②若A是一种淡黄色固体，且A与B以物质的量之比3∶1混合时，推知B的化学式为

_________              _。

（3）若B为Ca(HCO₃)₂溶液，A与B的溶液反应时只生成气体C、CaCO₃和水，则A的化学式为__________________       。

从可疑病例中分离病毒，采集标本时注意（）

A.在发病早期采集

B.采集适当部位的标本

C.标本应保持在低温环境

D.标本应尽快送检

E.在疾病晚期再次采集标本

存折补登折一次最多补打（）交易明细。

A.10笔

B.20笔

C.15笔

D.25笔

Traditional structured analysis techniques focus upon the flow of (36) within a system. Object-oriented analysis emphasizes the building of real-world models. It examines requirements from the perspective of the classes and objects found in the vocabulary of the (37) domain.
Traditional system design method emphasizes the proper and effective structure of a complex system. Object-oriented design method encompasses the process of object-oriented decomposition and a (38) for depicting both logical and physical as well as static and dynamic models of the system under design.
Object-oriented programming is a method of implementation in which programs are organized as cooperative collections of objects, each of which represents an (39) of some class, and whose classes are all members of a hierarchy of classes united via (40) relationships.

A．problem

B．solution

C．data

D．program

ADL的Katz指数评定将ADL能力分为

A．六项内容、七个级别
B．六项内容、六个级别
C．七项内容、七个级别
D．七项内容、六个级别
E．以上全部对