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【单选题】
下列关于主-子窗体的叙述,错误的是( )。A.
主、子窗体必须有一定的关联,在主-子窗体中显示相关数据
B.
子窗体只能显示为单一窗体
C.
如果数据表内已经建立了子数据工作表,则对该表自动产生窗体时也会自动显示子窗体
D.
子窗体的来源可以是数据表、查询或另一个窗体
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举一反三
【简答题】Experts say that pretend play deserves ______.
【单选题】下列说法正确的是（ ）。(1)只有使用了局部变量的递归过程在转换成非递归过程时才必须使用栈。(2)队列是插入与删除操作在表的两端进行的线性表，具有先进后出的特点。(3)队列逻辑上是一个下端和上端既能增加又能减少的线性表。(4)循环队列也存在空间溢出问题。
A.
(1)(2)(4)
B.
(1)(2)(3)
C.
(3)(4)
D.
(1)(2)
【简答题】Experts say you’ll gain respect if you make a strong case and deliver it in a professional manner.(翻译)
【单选题】Experts say you may:
A.
Change careers 6-8 times.
B.
Take a lifetime to know yourself.
C.
Know what career to pursue.
【简答题】Taking a Nap During the Day Medical experts say most Americans do not get enough sleep. They say more Americans need to rest for a short period in the middle of the day. continuing with other activiti...
【单选题】What do some experts say about doctors‘ involvement in medical cost analysis? 查看材料
A.
It may add to doctors' already heavy workloads．
B.
It will help to save money for society as a whole．
C.
It results from society's failure to tackle the problem．
D.
It raises doctors' awareness of their social responsibilities．
【单选题】听力原文： UN experts say the number of malnourished people was growing globally and millions of people in poor and rich countries alike are dying from diseases related to. poor nutrition. In Geneva, UN go...
A.
Disease related to the SAPS.
B.
Diseases related to poor nutrition.
C.
Disease related to the bird flu.
D.
Disease related to mosquitoes.
【单选题】下列说法正确的是( )。 (1)只有使用了局部变量的递归过程在转换成非递归过程时才必须使用栈。 (2)队列是插入与删除操作在表的两端进行的线性表,具有先进后出的特点。 (3)队列逻辑上是一个下端和上端既能增加又能减少的线性表。 (4)循环队列也存在空间溢出问题。
A.
(3)(4)
B.
(1)(2)(4)
C.
(1)(2)(3)
D.
(1)(2)
【简答题】Experts say that agriculture provides four percent of the world's greenhouse gas emissions each year．The gases released include carbon dioxide, a major cause of global warming． Twenty-one nations ...
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