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【单选题】
下面关于菜单的叙述中正确的是A.
为使选中一菜单项就可执行某种操作，要为它的Click事件过程编写执行该操作的代码
B.
同一级菜单中的菜单项不能同名，但不同级菜单中的菜单项可以同名
C.
只能使用鼠标右键把弹出式菜单弹出来
D.
弹出式菜单中的菜单项不能再有自己的子菜单
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举一反三
【单选题】A recent study at a liberal arts college concluded that demand elasticity is 0.91 for college courses. The administration is considering a tuition increase to help balance the budget. An economist mig...
A.
decrease tuition in order to increase revenue by boosting enrollment.
B.
increase tuition in order to increase revenue.
C.
leave tuition unchanged as a change in tuition is unlikely to enhance the school's budget by increasing revenue.
D.
decrease tuition because demand for courses is elastic.
【简答题】The job demands someone with a college e______( 教育 ).
【单选题】Warrensburg is a small college town in Missouri. At the end of August each year, the market demand for fast food in Warrensburg
A.
increases.
B.
decreases.
C.
remains constant, but we observe a movement downward and to the right along the demand curve.
D.
remains constant, but we observe a movement upward and to the left along the demand curve.
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