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【简答题】
打开教学管理数据库 一.查找教师表上的记录,并显示姓名、性别、工作时间和系别等字段信息,保存查询名称为教师基本信息。 二.查找每名学生选课成绩,并显示学生编号、姓名、课程名称和考试成绩等字段。查询名为学生选课成绩。 三.创建一个查询,查询并显示学生表中重名学生的姓名、学生编号、性别和入校日期,查询名为学生重名查询。 四.查找没有学生选修的课程,并显示课程编号和课程名称,保存查询名称为没有学生选修的课程查询。 教学管理.accdb
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举一反三
【单选题】Why do salts left in the soil harm the growth of crops?
A.
They are poisonous to the plant.
B.
They contain sodium and calcium.
C.
They upset most plant's ability to draw up water through their roots.
D.
They destroy the soil's ability to water plant.
【单选题】A typical trend during a recession is that
A.
the unemployment rate falls.
B.
the popularity of die incumbent president rises.
C.
incomes fall.
D.
the inflation rate rises.
【单选题】During a recession the economy experiences
A.
rising employment and income.
B.
rising employment and falling income.
C.
rising income and falling employment
D.
falling employment and income.
【简答题】语法学里的词法和句法各研究些什么? 2.什么是语法体系? 3.举例说明语法的抽象性和稳固性。
【单选题】During a recession:
A.
unemployment and the growth rate of real GDP both decrease.
B.
unemployment decreases and the growth rate of real GDP increases.
C.
unemployment increases and the growth rate of real GDP decreases.
D.
there is no relation between unemployment and the growth rate of real GDP.
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