皮皮学，免费搜题
登录
搜题
【单选题】
法洛四联症青紫程度主要决定于A.
肺动脉狭窄程度
B.
主动脉骑跨
C.
法洛四联症
D.
动脉导管未闭
E.
主动脉狭窄
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】有些醛类化合物可被一些如Fehling试剂等的弱氧化剂氧化。Fehling试剂指的是( )
A.
AgNO3和NH3(H2O)生成的溶液
B.
CuSO4溶液与NaOH和酒石酸钾钠生成的溶液
C.
CuSO4溶液与NaOH和柠檬酸生成的溶液
D.
CuSO4与NH3水的溶液
【简答题】yzer approach — this method creates a competitive business strategy that is based on evaluating the successes of competitors. The yzer approach focuses on attempts to copy and make improvement...
【简答题】【实践1】基于71页的表(如下图所示),写SQL查询命令并提交查询结果截图。找出工程项目J2使用的各种零件的名称及其数量。
【单选题】This method creates an atmosphere ------ to expansion.
A.
preferable
B.
profitable
C.
favorable
D.
superior
【简答题】基于71页的表,写SQL查询命令,找出工程项目J2使用的各种零件的名称及其数量
【简答题】Defender approach — this method creates a strategy that is based on focusing on a smaller number of products and services. The strategy developed through this method will place greater importance on i...
【简答题】设有一个SPJ数据库,包括S,P,J,SPJ 4个关系模式: S(SNO,SNAME,STATUS,CITY): P(PNO,PNAME,COLOR,WEIGHT): J(JNO,JNAME,CITY): SPJ(SNO,PNO,JNO,QTY): 供应商表S由供应商代码(SNO)、供应商姓名(SNAME)、供应商状态(STATUS)、供应商所在城市(CIIY)组成。 零件表P由零件代码(PNO)...
【简答题】Differentiation approach — this method creates a strategy that is based on providing products or services that are thought to be distinctive. The differentiation approach focuses on offering unique pr...
【简答题】【实践1】基于71页的表,写SQL查询命令,找出工程项目J2使用的各种零件的名称及其数量。截图提交查询结果。
【简答题】Translate the following passage into Chinese. Prospector approach — this method creates a competitive business strategy that is based on innovation ( 创新 ) and exploring new market opportunities. The p...
相关题目：