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【简答题】
答案要求: 1、提交逻辑结构的图示的截图,注意:数据元素之间的连线是带方向的箭头线; 2、用文字描述开始结点和终端结点,如: 开始结点:...... 终端结点:......
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举一反三
【单选题】—Who her father? —He must by that policeman.
A.
saved; be saved
B.
saved; save
C.
is saved; be saved
D.
save; be save
【单选题】下列哪个答案是INT(-9)、CEILING(-9)和FLOOR(-9)的正确计算结果是
A.
-8，-7，-8
B.
-7，-7，-7
C.
-7，-7，-8
D.
-7，-8，-8
【单选题】下列哪个答案是INT(-7.9)、CEILING(-7.9)和FLOOR(-7.9)的正确计算结果。
A.
-8,-7,-8
B.
-7,-7,-7
C.
-7,-7,-8
D.
-7,-8,-8
【单选题】If a sailing vessel with the wind on the port side sees a sailing vessel to windward and cannot tell weather the other vessel has the wind on the port or starboard side, she shall ______.
A.
hold course and speed
B.
sound the danger signal
C.
keep out of the way of the other vessel
D.
turn to port and come into the wind
【单选题】He did not write ，though he had
A.
careful enough；enough time
B.
carefully enough；enough time
C.
enough careful；enough time
D.
enough carefully；time enough
【简答题】下列哪个答案是INT（-7.9)、CEILING（-7.9)和FLOOR（-7.9)的正确计算结果。A）_8，-7，-8 B）-7，-7，-7 C）-7，-7，-8 D）-7，-8，-8
【单选题】Eventually he saved enough money____________at this trade on the side to buy his freedom.
A.
work
B.
working
C.
to work
D.
worked
【简答题】可以作为查询与视图的数据源是______。 A) 视图 B) 数据库表 C) 查询 D) A、B都可以
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