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[问答题] 各类肥料的特点:

Examine the description of the MARKS table: STD_ID NUMBER(4) STUDENT_NAME VARCHAR2(30) SUBJ1 NUMBER(3) SUBJ2 NUMBER(3) SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects. Examine this SELECT statement based on the MARKS table: SELECT subj1+subj2 total_marks, std_id FROM marks WHERE subj1 > AVG(subj1) AND subj2 > AVG(subj2) ORDER BY total_ marks; What is the result of the SELECT statement? () [" The statement executes successfully and returns the student ID and sum of all marks for each student who obtained more than the average mark in each subject."," The statement returns an error at the SELECT clause."," The statement returns an error at the WHERE clause."," The statement returns an error at the ORDER BY clause."] 液化石油气钢瓶护罩与上封头采用()连接,即不可拆卸连接。 ["螺纹连接;","铆接;","焊接;","插接"] 就活动的方向来说,游戏和教育之间() ["是异大于同","是完全相同的","是完全不同的","有着内在的一致性"] 根据《水电建设工程安全鉴定规定》规定,鉴定专家组在形成工程安全鉴定报告的过程中,应充分与建设各方交换意见。项目法人应组织建设各方认真做好配合鉴定单位和鉴定专家组进行的鉴定工作,包括()。 ["A.准确、及时提供鉴定工作所需的各种工程资料 ","B.组织相对固定的专业人员和工作人员,向专家组介绍有关工程情况 ","C.作出工程安全评价,提出安全鉴定报告 ","D.检查洪水设计标准、工程泄洪设施的泄洪能力 ","E.为专家组在现场工作提供必要的工作条件"] In an 8-socket x3950 server, with disks on both nodes, how many ServeRAID 8 adapters are needed to implement RAID? All disks must be used.() ["One per node","Only one","Two in the primary node","None"] 各类肥料的特点:
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